Commit graph

76234 commits

Author SHA1 Message Date
Linus Torvalds
1db98bcf56 Merge branch 'akpm' (patches from Andrew)
Merge still more updates from Andrew Morton:
 "18 patches.

  Subsystems affected by this patch series: mm (memcg and cleanups) and
  epoll"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm/Kconfig: fix spelling mistake "whats" -> "what's"
  selftests/filesystems: expand epoll with epoll_pwait2
  epoll: wire up syscall epoll_pwait2
  epoll: add syscall epoll_pwait2
  epoll: convert internal api to timespec64
  epoll: eliminate unnecessary lock for zero timeout
  epoll: replace gotos with a proper loop
  epoll: pull all code between fetch_events and send_event into the loop
  epoll: simplify and optimize busy loop logic
  epoll: move eavail next to the list_empty_careful check
  epoll: pull fatal signal checks into ep_send_events()
  epoll: simplify signal handling
  epoll: check for events when removing a timed out thread from the wait queue
  mm/memcontrol:rewrite mem_cgroup_page_lruvec()
  mm, kvm: account kvm_vcpu_mmap to kmemcg
  mm/memcg: remove unused definitions
  mm/memcg: warning on !memcg after readahead page charged
  mm/memcg: bail early from swap accounting if memcg disabled
2020-12-19 11:39:50 -08:00
Willem de Bruijn
b0a0c2615f epoll: wire up syscall epoll_pwait2
Split off from prev patch in the series that implements the syscall.

Link: https://lkml.kernel.org/r/20201121144401.3727659-4-willemdebruijn.kernel@gmail.com
Signed-off-by: Willem de Bruijn <willemb@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-19 11:18:38 -08:00
Hui Su
9a1ac2288c mm/memcontrol:rewrite mem_cgroup_page_lruvec()
mem_cgroup_page_lruvec() in memcontrol.c and mem_cgroup_lruvec() in
memcontrol.h is very similar except for the param(page and memcg) which
also can be convert to each other.

So rewrite mem_cgroup_page_lruvec() with mem_cgroup_lruvec().

[alex.shi@linux.alibaba.com: add missed warning in mem_cgroup_lruvec]
  Link: https://lkml.kernel.org/r/94f17bb7-ec61-5b72-3555-fabeb5a4d73b@linux.alibaba.com
[lstoakes@gmail.com: warn on missing memcg on mem_cgroup_page_lruvec()]
  Link: https://lkml.kernel.org/r/20201125112202.387009-1-lstoakes@gmail.com

Link: https://lkml.kernel.org/r/20201108143731.GA74138@rlk
Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Yafang Shao <laoar.shao@gmail.com>
Cc: Chris Down <chris@chrisdown.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-19 11:18:37 -08:00
Wei Yang
bec78efd00 mm/memcg: remove unused definitions
Some definitions are left unused, just clean them.

Link: https://lkml.kernel.org/r/20201108003834.12669-1-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-19 11:18:37 -08:00
Alex Shi
a405588862 mm/memcg: warning on !memcg after readahead page charged
Add VM_WARN_ON_ONCE_PAGE() macro.

Since readahead page is charged on memcg too, in theory we don't have to
check this exception now.  Before safely remove them all, add a warning
for the unexpected !memcg.

Link: https://lkml.kernel.org/r/1604283436-18880-3-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Hugh Dickins <hughd@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-19 11:18:37 -08:00
Parav Pandit
476c135e32 vdpa: Add missing comment for virtqueue count
Add missing comment for number of virtqueue.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20201112064005.349268-2-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-12-18 16:14:31 -05:00
Linus Torvalds
c59c7588fc UAPI Changes:
- Only enable char/agp uapi when CONFIG_DRM_LEGACY is set
 
 Cross-subsystem Changes:
 
 - vma_set_file helper to make vma->vm_file changing less brittle,
   acked by Andrew
 
 Core Changes:
 
 - dma-buf heaps improvements
 - pass full atomic modeset state to driver callbacks
 - shmem helpers: cached bo by default
 - cleanups for fbdev, fb-helpers
 - better docs for drm modes and SCALING_FITLER uapi
 - ttm: fix dma32 page pool regression
 
 Driver Changes:
 
 - multi-hop regression fixes for amdgpu, radeon, nouveau
 - lots of small amdgpu hw enabling fixes (display, pm, ...)
 - fixes for imx, mcde, meson, some panels, virtio, qxl, i915, all
   fairly minor
 - some cleanups for legacy drm/fbdev drivers
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Merge tag 'drm-next-2020-12-18' of git://anongit.freedesktop.org/drm/drm

Pull more drm updates from Daniel Vetter:
 "UAPI Changes:

   - Only enable char/agp uapi when CONFIG_DRM_LEGACY is set

  Cross-subsystem Changes:

   - vma_set_file helper to make vma->vm_file changing less brittle,
     acked by Andrew

  Core Changes:

   - dma-buf heaps improvements

   - pass full atomic modeset state to driver callbacks

   - shmem helpers: cached bo by default

   - cleanups for fbdev, fb-helpers

   - better docs for drm modes and SCALING_FITLER uapi

   - ttm: fix dma32 page pool regression

  Driver Changes:

   - multi-hop regression fixes for amdgpu, radeon, nouveau

   - lots of small amdgpu hw enabling fixes (display, pm, ...)

   - fixes for imx, mcde, meson, some panels, virtio, qxl, i915, all
     fairly minor

   - some cleanups for legacy drm/fbdev drivers"

* tag 'drm-next-2020-12-18' of git://anongit.freedesktop.org/drm/drm: (117 commits)
  drm/qxl: don't allocate a dma_address array
  drm/nouveau: fix multihop when move doesn't work.
  drm/i915/tgl: Fix REVID macros for TGL to fetch correct stepping
  drm/i915: Fix mismatch between misplaced vma check and vma insert
  drm/i915/perf: also include Gen11 in OATAILPTR workaround
  Revert "drm/i915: re-order if/else ladder for hpd_irq_setup"
  drm/amdgpu/disply: fix documentation warnings in display manager
  drm/amdgpu: print mmhub client name for dimgrey_cavefish
  drm/amdgpu: set mode1 reset as default for dimgrey_cavefish
  drm/amd/display: Add get_dig_frontend implementation for DCEx
  drm/radeon: remove h from printk format specifier
  drm/amdgpu: remove h from printk format specifier
  drm/amdgpu: Fix spelling mistake "Heterogenous" -> "Heterogeneous"
  drm/amdgpu: fix regression in vbios reservation handling on headless
  drm/amdgpu/SRIOV: Extend VF reset request wait period
  drm/amdkfd: correct amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu log.
  drm/amd/display: Adding prototype for dccg21_update_dpp_dto()
  drm/amdgpu: print what method we are using for runtime pm
  drm/amdgpu: simplify logic in atpx resume handling
  drm/amdgpu: no need to call pci_ignore_hotplug for _PR3
  ...
2020-12-18 12:38:28 -08:00
Linus Torvalds
a409ed156a This is the bulk of the GPIO changes for the v5.11 kernel cycle:
Core changes:
 
 - Retired the old set-up function for GPIO IRQ chips. All chips
   now use the template struct gpio_irq_chip and pass that to the core
   to be set up alongside the gpio_chip. We can finally get rid of
   the old cruft.
 
 - Some refactoring and clean up of the core code.
 
 - Support edge event timestamps to be stamped using REALTIME
   (wall clock) timestamps. We have found solid use cases for
   this, so we support it.
 
 New drivers:
 
 - MStar MSC313 GPIO driver.
 
 - HiSilicon GPIO driver.
 
 Driver improvements:
 
 - The PCA953x driver now also supports the NXP PCAL9554B/C chips.
 
 - The mockup driver can now be probed from the device tree which
   is pretty useful for virtual prototyping of devices.
 
 - The Rcar driver now supports .get_multiple()
 
 - The MXC driver dropped some legacy and became a pure device
   tree client.
 
 - The Exar driver was moved over to the IDA interface for
   enumerating, and also switched over to using regmap for
   register access.
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Merge tag 'gpio-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of the GPIO changes for the v5.11 kernel cycle:

  Core changes:

   - Retired the old set-up function for GPIO IRQ chips. All chips now
     use the template struct gpio_irq_chip and pass that to the core to
     be set up alongside the gpio_chip. We can finally get rid of the
     old cruft.

   - Some refactoring and clean up of the core code.

   - Support edge event timestamps to be stamped using REALTIME (wall
     clock) timestamps. We have found solid use cases for this, so we
     support it.

  New drivers:

   - MStar MSC313 GPIO driver.

   - HiSilicon GPIO driver.

  Driver improvements:

   - The PCA953x driver now also supports the NXP PCAL9554B/C chips.

   - The mockup driver can now be probed from the device tree which is
     pretty useful for virtual prototyping of devices.

   - The Rcar driver now supports .get_multiple()

   - The MXC driver dropped some legacy and became a pure device tree
     client.

   - The Exar driver was moved over to the IDA interface for
     enumerating, and also switched over to using regmap for register
     access"

* tag 'gpio-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
  MAINTAINERS: Remove reference to non-existing file
  gpio: hisi: Do not require ACPI for COMPILE_TEST
  MAINTAINERS: Add maintainer for HiSilicon GPIO driver
  gpio: gpio-hisi: Add HiSilicon GPIO support
  gpio: cs5535: Simplify the return expression of cs5535_gpio_probe()
  gpiolib: irq hooks: fix recursion in gpiochip_irq_unmask
  dt-bindings: mt7621-gpio: convert bindings to YAML format
  gpiolib: cdev: Flag invalid GPIOs as used
  gpio: put virtual gpio device into their own submenu
  drivers: gpio: amd8111: use SPDX-License-Identifier
  drivers: gpio: amd8111: prefer dev_err()/dev_info() over raw printk
  drivers: gpio: bt8xx: prefer dev_err()/dev_warn() over of raw printk
  gpio: Add TODO item for debugfs interface
  gpio: just plain warning when nonexisting gpio requested
  tools: gpio: add option to report wall-clock time to gpio-event-mon
  tools: gpio: add support for reporting realtime event clock to lsgpio
  gpiolib: cdev: allow edge event timestamps to be configured as REALTIME
  gpio: msc313: MStar MSC313 GPIO driver
  dt-bindings: gpio: Binding for MStar MSC313 GPIO controller
  dt-bindings: gpio: Add a binding header for the MSC313 GPIO driver
  ...
2020-12-17 18:07:20 -08:00
Linus Torvalds
d64c6f96ba Networking fixes for 5.11-rc1.
Current release - always broken:
 
  - net/smc: fix access to parent of an ib device
 
  - devlink: use _BITUL() macro instead of BIT() in the UAPI header
 
  - handful of mptcp fixes
 
 Previous release - regressions:
 
  - intel: AF_XDP: clear the status bits for the next_to_use descriptor
 
  - dpaa2-eth: fix the size of the mapped SGT buffer
 
 Previous release - always broken:
 
  - mptcp: fix security context on server socket
 
  - ethtool: fix string set id check
 
  - ethtool: fix error paths in ethnl_set_channels()
 
  - lan743x: fix rx_napi_poll/interrupt ping-pong
 
  - qca: ar9331: fix sleeping function called from invalid context bug
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Current release - always broken:

   - net/smc: fix access to parent of an ib device

   - devlink: use _BITUL() macro instead of BIT() in the UAPI header

   - handful of mptcp fixes

  Previous release - regressions:

   - intel: AF_XDP: clear the status bits for the next_to_use descriptor

   - dpaa2-eth: fix the size of the mapped SGT buffer

  Previous release - always broken:

   - mptcp: fix security context on server socket

   - ethtool: fix string set id check

   - ethtool: fix error paths in ethnl_set_channels()

   - lan743x: fix rx_napi_poll/interrupt ping-pong

   - qca: ar9331: fix sleeping function called from invalid context bug"

* tag 'net-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (32 commits)
  net/sched: sch_taprio: reset child qdiscs before freeing them
  nfp: move indirect block cleanup to flower app stop callback
  octeontx2-af: Fix undetected unmap PF error check
  net: nixge: fix spelling mistake in Kconfig: "Instuments" -> "Instruments"
  qlcnic: Fix error code in probe
  mptcp: fix pending data accounting
  mptcp: push pending frames when subflow has free space
  mptcp: properly annotate nested lock
  mptcp: fix security context on server socket
  net/mlx5: Fix compilation warning for 32-bit platform
  mptcp: clear use_ack and use_map when dropping other suboptions
  devlink: use _BITUL() macro instead of BIT() in the UAPI header
  net: korina: fix return value
  net/smc: fix access to parent of an ib device
  ethtool: fix error paths in ethnl_set_channels()
  nfc: s3fwrn5: Remove unused NCI prop commands
  nfc: s3fwrn5: Remove the delay for NFC sleep
  phy: fix kdoc warning
  tipc: do sanity check payload of a netlink message
  use __netdev_notify_peers in hyperv
  ...
2020-12-17 13:45:24 -08:00
Linus Torvalds
0c6c887835 OpenRISC updates for 5.11
This series adds:
 
  * New drivers and OpenRISC support for the LiteX platform
  * A bug fix to support userspace gdb debugging
  * Fixes one compile issue with blk-iocost
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Merge tag 'for-linus' of git://github.com/openrisc/linux

Pull OpenRISC updates from Stafford Horne:

 - New drivers and OpenRISC support for the LiteX platform

 - A bug fix to support userspace gdb debugging

 - Fixes one compile issue with blk-iocost

* tag 'for-linus' of git://github.com/openrisc/linux:
  openrisc: add local64.h to fix blk-iocost build
  openrisc: fix trap for debugger breakpoint signalling
  openrisc: add support for LiteX
  drivers/tty/serial: add LiteUART driver
  dt-bindings: serial: document LiteUART bindings
  drivers/soc/litex: add LiteX SoC Controller driver
  dt-bindings: soc: document LiteX SoC Controller bindings
  dt-bindings: vendor: add vendor prefix for LiteX
2020-12-17 13:41:27 -08:00
Linus Torvalds
8a5be36b93 powerpc updates for 5.11
- Switch to the generic C VDSO, as well as some cleanups of our VDSO
    setup/handling code.
 
  - Support for KUAP (Kernel User Access Prevention) on systems using the hashed
    page table MMU, using memory protection keys.
 
  - Better handling of PowerVM SMT8 systems where all threads of a core do not
    share an L2, allowing the scheduler to make better scheduling decisions.
 
  - Further improvements to our machine check handling.
 
  - Show registers when unwinding interrupt frames during stack traces.
 
  - Improvements to our pseries (PowerVM) partition migration code.
 
  - Several series from Christophe refactoring and cleaning up various parts of
    the 32-bit code.
 
  - Other smaller features, fixes & cleanups.
 
 Thanks to:
   Alan Modra, Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Ard
   Biesheuvel, Athira Rajeev, Balamuruhan S, Bill Wendling, Cédric Le Goater,
   Christophe Leroy, Christophe Lombard, Colin Ian King, Daniel Axtens, David
   Hildenbrand, Frederic Barrat, Ganesh Goudar, Gautham R. Shenoy, Geert
   Uytterhoeven, Giuseppe Sacco, Greg Kurz, Harish, Jan Kratochvil, Jordan
   Niethe, Kaixu Xia, Laurent Dufour, Leonardo Bras, Madhavan Srinivasan, Mahesh
   Salgaonkar, Mathieu Desnoyers, Nathan Lynch, Nicholas Piggin, Oleg Nesterov,
   Oliver O'Halloran, Oscar Salvador, Po-Hsu Lin, Qian Cai, Qinglang Miao, Randy
   Dunlap, Ravi Bangoria, Sachin Sant, Sandipan Das, Sebastian Andrzej Siewior ,
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   Vincent Stehlé, Youling Tang, Zhang Xiaoxu.
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Merge tag 'powerpc-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Switch to the generic C VDSO, as well as some cleanups of our VDSO
   setup/handling code.

 - Support for KUAP (Kernel User Access Prevention) on systems using the
   hashed page table MMU, using memory protection keys.

 - Better handling of PowerVM SMT8 systems where all threads of a core
   do not share an L2, allowing the scheduler to make better scheduling
   decisions.

 - Further improvements to our machine check handling.

 - Show registers when unwinding interrupt frames during stack traces.

 - Improvements to our pseries (PowerVM) partition migration code.

 - Several series from Christophe refactoring and cleaning up various
   parts of the 32-bit code.

 - Other smaller features, fixes & cleanups.

Thanks to: Alan Modra, Alexey Kardashevskiy, Andrew Donnellan, Aneesh
Kumar K.V, Ard Biesheuvel, Athira Rajeev, Balamuruhan S, Bill Wendling,
Cédric Le Goater, Christophe Leroy, Christophe Lombard, Colin Ian King,
Daniel Axtens, David Hildenbrand, Frederic Barrat, Ganesh Goudar,
Gautham R. Shenoy, Geert Uytterhoeven, Giuseppe Sacco, Greg Kurz,
Harish, Jan Kratochvil, Jordan Niethe, Kaixu Xia, Laurent Dufour,
Leonardo Bras, Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu
Desnoyers, Nathan Lynch, Nicholas Piggin, Oleg Nesterov, Oliver
O'Halloran, Oscar Salvador, Po-Hsu Lin, Qian Cai, Qinglang Miao, Randy
Dunlap, Ravi Bangoria, Sachin Sant, Sandipan Das, Sebastian Andrzej
Siewior , Segher Boessenkool, Srikar Dronamraju, Tyrel Datwyler, Uwe
Kleine-König, Vincent Stehlé, Youling Tang, and Zhang Xiaoxu.

* tag 'powerpc-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (304 commits)
  powerpc/32s: Fix cleanup_cpu_mmu_context() compile bug
  powerpc: Add config fragment for disabling -Werror
  powerpc/configs: Add ppc64le_allnoconfig target
  powerpc/powernv: Rate limit opal-elog read failure message
  powerpc/pseries/memhotplug: Quieten some DLPAR operations
  powerpc/ps3: use dma_mapping_error()
  powerpc: force inlining of csum_partial() to avoid multiple csum_partial() with GCC10
  powerpc/perf: Fix Threshold Event Counter Multiplier width for P10
  powerpc/mm: Fix hugetlb_free_pmd_range() and hugetlb_free_pud_range()
  KVM: PPC: Book3S HV: Fix mask size for emulated msgsndp
  KVM: PPC: fix comparison to bool warning
  KVM: PPC: Book3S: Assign boolean values to a bool variable
  powerpc: Inline setup_kup()
  powerpc/64s: Mark the kuap/kuep functions non __init
  KVM: PPC: Book3S HV: XIVE: Add a comment regarding VP numbering
  powerpc/xive: Improve error reporting of OPAL calls
  powerpc/xive: Simplify xive_do_source_eoi()
  powerpc/xive: Remove P9 DD1 flag XIVE_IRQ_FLAG_EOI_FW
  powerpc/xive: Remove P9 DD1 flag XIVE_IRQ_FLAG_MASK_FW
  powerpc/xive: Remove P9 DD1 flag XIVE_IRQ_FLAG_SHIFT_BUG
  ...
2020-12-17 13:34:25 -08:00
Linus Torvalds
09c0796adf Tracing updates for 5.11
The major update to this release is that there's a new arch config option called:
 CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS. Currently, only x86_64 enables it.
 All the ftrace callbacks now take a struct ftrace_regs instead of a struct
 pt_regs. If the architecture has HAVE_DYNAMIC_FTRACE_WITH_ARGS enabled, then
 the ftrace_regs will have enough information to read the arguments of the
 function being traced, as well as access to the stack pointer. This way, if
 a user (like live kernel patching) only cares about the arguments, then it
 can avoid using the heavier weight "regs" callback, that puts in enough
 information in the struct ftrace_regs to simulate a breakpoint exception
 (needed for kprobes).
 
 New config option that audits the timestamps of the ftrace ring buffer at
 most every event recorded.  The "check_buffer()" calls will conflict with
 mainline, because I purposely added the check without including the fix that
 it caught, which is in mainline. Running a kernel built from the commit of
 the added check will trigger it.
 
 Ftrace recursion protection has been cleaned up to move the protection to
 the callback itself (this saves on an extra function call for those
 callbacks).
 
 Perf now handles its own RCU protection and does not depend on ftrace to do
 it for it (saving on that extra function call).
 
 New debug option to add "recursed_functions" file to tracefs that lists all
 the places that triggered the recursion protection of the function tracer.
 This will show where things need to be fixed as recursion slows down the
 function tracer.
 
 The eval enum mapping updates done at boot up are now offloaded to a work
 queue, as it caused a noticeable pause on slow embedded boards.
 
 Various clean ups and last minute fixes.
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Merge tag 'trace-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "The major update to this release is that there's a new arch config
  option called CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS.

  Currently, only x86_64 enables it. All the ftrace callbacks now take a
  struct ftrace_regs instead of a struct pt_regs. If the architecture
  has HAVE_DYNAMIC_FTRACE_WITH_ARGS enabled, then the ftrace_regs will
  have enough information to read the arguments of the function being
  traced, as well as access to the stack pointer.

  This way, if a user (like live kernel patching) only cares about the
  arguments, then it can avoid using the heavier weight "regs" callback,
  that puts in enough information in the struct ftrace_regs to simulate
  a breakpoint exception (needed for kprobes).

  A new config option that audits the timestamps of the ftrace ring
  buffer at most every event recorded.

  Ftrace recursion protection has been cleaned up to move the protection
  to the callback itself (this saves on an extra function call for those
  callbacks).

  Perf now handles its own RCU protection and does not depend on ftrace
  to do it for it (saving on that extra function call).

  New debug option to add "recursed_functions" file to tracefs that
  lists all the places that triggered the recursion protection of the
  function tracer. This will show where things need to be fixed as
  recursion slows down the function tracer.

  The eval enum mapping updates done at boot up are now offloaded to a
  work queue, as it caused a noticeable pause on slow embedded boards.

  Various clean ups and last minute fixes"

* tag 'trace-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (33 commits)
  tracing: Offload eval map updates to a work queue
  Revert: "ring-buffer: Remove HAVE_64BIT_ALIGNED_ACCESS"
  ring-buffer: Add rb_check_bpage in __rb_allocate_pages
  ring-buffer: Fix two typos in comments
  tracing: Drop unneeded assignment in ring_buffer_resize()
  tracing: Disable ftrace selftests when any tracer is running
  seq_buf: Avoid type mismatch for seq_buf_init
  ring-buffer: Fix a typo in function description
  ring-buffer: Remove obsolete rb_event_is_commit()
  ring-buffer: Add test to validate the time stamp deltas
  ftrace/documentation: Fix RST C code blocks
  tracing: Clean up after filter logic rewriting
  tracing: Remove the useless value assignment in test_create_synth_event()
  livepatch: Use the default ftrace_ops instead of REGS when ARGS is available
  ftrace/x86: Allow for arguments to be passed in to ftrace_regs by default
  ftrace: Have the callbacks receive a struct ftrace_regs instead of pt_regs
  MAINTAINERS: assign ./fs/tracefs to TRACING
  tracing: Fix some typos in comments
  ftrace: Remove unused varible 'ret'
  ring-buffer: Add recording of ring buffer recursion into recursed_functions
  ...
2020-12-17 13:22:17 -08:00
Linus Torvalds
312dcaf967 Modules updates for v5.11
Summary of modules changes for the 5.11 merge window:
 
 - Fix a race condition between systemd/udev and the module loader.
   The module loader was sending a uevent before the module was fully
   initialized (i.e., before its init function has been called). This means
   udev can start processing the module uevent before the module has
   finished initializing, and some udev rules expect that the module has
   initialized already upon receiving the uevent. This resulted in some
   systemd mount units failing if udev processes the event faster than the
   module can finish init. This is fixed by delaying the uevent until after
   the module has called its init routine.
 
 - Make the linker array sections for kernel params and module version
   attributes more robust by switching to use the alignment of the type in
   question. Namely, linker section arrays will be constructed using the
   alignment required by the struct (using __alignof__()) as opposed to a
   specific value such as sizeof(void *) or sizeof(long). This is less
   likely to cause breakages should the size of the type ever change (from
   Johan Hovold)
 
 - Fix module state inconsistency by setting it back to GOING when a module
   fails to load and is on its way out (from Miroslav Benes)
 
 - Some comment and code cleanups (from Sergey Shtylyov)
 
 Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux

Pull modules updates from Jessica Yu:
 "Summary of modules changes for the 5.11 merge window:

   - Fix a race condition between systemd/udev and the module loader.

     The module loader was sending a uevent before the module was fully
     initialized (i.e., before its init function has been called). This
     means udev can start processing the module uevent before the module
     has finished initializing, and some udev rules expect that the
     module has initialized already upon receiving the uevent.

     This resulted in some systemd mount units failing if udev processes
     the event faster than the module can finish init. This is fixed by
     delaying the uevent until after the module has called its init
     routine.

   - Make the linker array sections for kernel params and module version
     attributes more robust by switching to use the alignment of the
     type in question.

     Namely, linker section arrays will be constructed using the
     alignment required by the struct (using __alignof__()) as opposed
     to a specific value such as sizeof(void *) or sizeof(long). This is
     less likely to cause breakages should the size of the type ever
     change (Johan Hovold)

   - Fix module state inconsistency by setting it back to GOING when a
     module fails to load and is on its way out (Miroslav Benes)

   - Some comment and code cleanups (Sergey Shtylyov)"

* tag 'modules-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
  module: delay kobject uevent until after module init call
  module: drop semicolon from version macro
  init: use type alignment for kernel parameters
  params: clean up module-param macros
  params: use type alignment for kernel parameters
  params: drop redundant "unused" attributes
  module: simplify version-attribute handling
  module: drop version-attribute alignment
  module: fix comment style
  module: add more 'kernel-doc' comments
  module: fix up 'kernel-doc' comments
  module: only handle errors with the *switch* statement in module_sig_check()
  module: avoid *goto*s in module_sig_check()
  module: merge repetitive strings in module_sig_check()
  module: set MODULE_STATE_GOING state when a module fails to load
2020-12-17 13:01:31 -08:00
Linus Torvalds
6daa90439e dmaengine updates for v5.11-rc1
New drivers/devices
   - Qualcomm ADM driver
   - Qualcomm GPI driver
   - Allwinner A100 DMA support
   - Microchip Sama7g5 support
   - Mediatek MT8516 apdma
 
 - Updates:
   - more updates to idxd driver and support for IAX config
   - runtime PM support for dw driver
 
 - TI keystone drivers for 5.11 included here due to dependency for TI
   drivers
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Merge tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "The last dmaengine updates for this year :)

  This contains couple of new drivers, new device support and updates to
  bunch of drivers.

  New drivers/devices:
   - Qualcomm ADM driver
   - Qualcomm GPI driver
   - Allwinner A100 DMA support
   - Microchip Sama7g5 support
   - Mediatek MT8516 apdma

  Updates:
   - more updates to idxd driver and support for IAX config
   - runtime PM support for dw driver
   - TI drivers"

* tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (75 commits)
  soc: ti: k3-ringacc: Use correct error casting in k3_ringacc_dmarings_init
  dmaengine: ti: k3-udma-glue: Add support for K3 PKTDMA
  dmaengine: ti: k3-udma: Initial support for K3 PKTDMA
  dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling
  dmaengine: ti: k3-udma: Initial support for K3 BCDMA
  soc: ti: k3-ringacc: add AM64 DMA rings support.
  dmaengine: ti: Add support for k3 event routers
  dmaengine: ti: k3-psil: Add initial map for AM64
  dmaengine: ti: k3-psil: Extend psil_endpoint_config for K3 PKTDMA
  dt-bindings: dma: ti: Add document for K3 PKTDMA
  dt-bindings: dma: ti: Add document for K3 BCDMA
  dmaengine: dmatest: Use dmaengine_get_dma_device
  dmaengine: doc: client: Update for dmaengine_get_dma_device() usage
  dmaengine: Add support for per channel coherency handling
  dmaengine: of-dma: Add support for optional router configuration callback
  dmaengine: ti: k3-udma-glue: Configure the dma_dev for rings
  dmaengine: ti: k3-udma-glue: Get the ringacc from udma_dev
  dmaengine: ti: k3-udma-glue: Add function to get device pointer for DMA API
  dmaengine: ti: k3-udma: Add support for second resource range from sysfw
  dmaengine: ti: k3-udma: Wait for peer teardown completion if supported
  ...
2020-12-17 12:52:23 -08:00
Linus Torvalds
83005cd6bc - arm: added mhu-v2 controller driver
mhu_db fix kfree by using devm_ variant
 - stm32-ipcc: misc cleanup
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Merge tag 'mailbox-v5.11' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:

 - arm: added mhu-v2 controller driver

 - arm_mhu_db: fix kfree by using devm_ variant

 - stm32-ipcc: misc cleanup

* tag 'mailbox-v5.11' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: arm_mhuv2: Add driver
  dt-bindings: mailbox : arm,mhuv2: Add bindings
  mailbox: stm32-ipcc: cast void pointers to unsigned long
  mailbox: stm32-ipcc: remove duplicate error message
  mailbox: stm32-ipcc: add COMPILE_TEST dependency
  mailbox: arm_mhu_db: Fix mhu_db_shutdown by replacing kfree with devm_kfree
2020-12-17 12:39:39 -08:00
Linus Torvalds
74f602dc96 NFS client updates for Linux 5.11
Highlights include:
 
 Features:
 - NFSv3: Add emulation of lookupp() to improve open_by_filehandle()
   support.
 - A series of patches to improve readdir performance, particularly with
   large directories.
 - Basic support for using NFS/RDMA with the pNFS files and flexfiles
   drivers.
 - Micro-optimisations for RDMA.
 - RDMA tracing improvements.
 
 Bugfixes:
 - Fix a long standing bug with xs_read_xdr_buf() when receiving partial
   pages (Dan Aloni).
 - Various fixes for getxattr and listxattr, when used over non-TCP
   transports.
 - Fixes for containerised NFS from Sargun Dhillon.
 - switch nfsiod to be an UNBOUND workqueue (Neil Brown).
 - READDIR should not ask for security label information if there is no
   LSM policy. (Olga Kornievskaia)
 - Avoid using interval-based rebinding with TCP in lockd (Calum Mackay).
 - A series of RPC and NFS layer fixes to support the NFSv4.2 READ_PLUS code.
 - A couple of fixes for pnfs/flexfiles read failover
 
 Cleanups:
 - Various cleanups for the SUNRPC xdr code in conjunction with the
   READ_PLUS fixes.
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Merge tag 'nfs-for-5.11-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

  Features:

   - NFSv3: Add emulation of lookupp() to improve open_by_filehandle()
     support

   - A series of patches to improve readdir performance, particularly
     with large directories

   - Basic support for using NFS/RDMA with the pNFS files and flexfiles
     drivers

   - Micro-optimisations for RDMA

   - RDMA tracing improvements

  Bugfixes:

   - Fix a long standing bug with xs_read_xdr_buf() when receiving
     partial pages (Dan Aloni)

   - Various fixes for getxattr and listxattr, when used over non-TCP
     transports

   - Fixes for containerised NFS from Sargun Dhillon

   - switch nfsiod to be an UNBOUND workqueue (Neil Brown)

   - READDIR should not ask for security label information if there is
     no LSM policy (Olga Kornievskaia)

   - Avoid using interval-based rebinding with TCP in lockd (Calum
     Mackay)

   - A series of RPC and NFS layer fixes to support the NFSv4.2
     READ_PLUS code

   - A couple of fixes for pnfs/flexfiles read failover

  Cleanups:

   - Various cleanups for the SUNRPC xdr code in conjunction with the
     READ_PLUS fixes"

* tag 'nfs-for-5.11-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (90 commits)
  NFS/pNFS: Fix a typo in ff_layout_resend_pnfs_read()
  pNFS/flexfiles: Avoid spurious layout returns in ff_layout_choose_ds_for_read
  NFSv4/pnfs: Add tracing for the deviceid cache
  fs/lockd: convert comma to semicolon
  NFSv4.2: fix error return on memory allocation failure
  NFSv4.2/pnfs: Don't use READ_PLUS with pNFS yet
  NFSv4.2: Deal with potential READ_PLUS data extent buffer overflow
  NFSv4.2: Don't error when exiting early on a READ_PLUS buffer overflow
  NFSv4.2: Handle hole lengths that exceed the READ_PLUS read buffer
  NFSv4.2: decode_read_plus_hole() needs to check the extent offset
  NFSv4.2: decode_read_plus_data() must skip padding after data segment
  NFSv4.2: Ensure we always reset the result->count in decode_read_plus()
  SUNRPC: When expanding the buffer, we may need grow the sparse pages
  SUNRPC: Cleanup - constify a number of xdr_buf helpers
  SUNRPC: Clean up open coded setting of the xdr_stream 'nwords' field
  SUNRPC: _copy_to/from_pages() now check for zero length
  SUNRPC: Cleanup xdr_shrink_bufhead()
  SUNRPC: Fix xdr_expand_hole()
  SUNRPC: Fixes for xdr_align_data()
  SUNRPC: _shift_data_left/right_pages should check the shift length
  ...
2020-12-17 12:15:03 -08:00
Linus Torvalds
be695ee29e The big ticket item here is support for msgr2 on-wire protocol, which
adds the option of full in-transit encryption using AES-GCM algorithm
 (myself).  On top of that we have a series to avoid intermittent
 errors during recovery with recover_session=clean and some MDS request
 encoding work from Jeff, a cap handling fix and assorted observability
 improvements from Luis and Xiubo and a good number of cleanups.  Luis
 also ran into a corner case with quotas which sadly means that we are
 back to denying cross-quota-realm renames.
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Merge tag 'ceph-for-5.11-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "The big ticket item here is support for msgr2 on-wire protocol, which
  adds the option of full in-transit encryption using AES-GCM algorithm
  (myself).

  On top of that we have a series to avoid intermittent errors during
  recovery with recover_session=clean and some MDS request encoding work
  from Jeff, a cap handling fix and assorted observability improvements
  from Luis and Xiubo and a good number of cleanups.

  Luis also ran into a corner case with quotas which sadly means that we
  are back to denying cross-quota-realm renames"

* tag 'ceph-for-5.11-rc1' of git://github.com/ceph/ceph-client: (59 commits)
  libceph: drop ceph_auth_{create,update}_authorizer()
  libceph, ceph: make use of __ceph_auth_get_authorizer() in msgr1
  libceph, ceph: implement msgr2.1 protocol (crc and secure modes)
  libceph: introduce connection modes and ms_mode option
  libceph, rbd: ignore addr->type while comparing in some cases
  libceph, ceph: get and handle cluster maps with addrvecs
  libceph: factor out finish_auth()
  libceph: drop ac->ops->name field
  libceph: amend cephx init_protocol() and build_request()
  libceph, ceph: incorporate nautilus cephx changes
  libceph: safer en/decoding of cephx requests and replies
  libceph: more insight into ticket expiry and invalidation
  libceph: move msgr1 protocol specific fields to its own struct
  libceph: move msgr1 protocol implementation to its own file
  libceph: separate msgr1 protocol implementation
  libceph: export remaining protocol independent infrastructure
  libceph: export zero_page
  libceph: rename and export con->flags bits
  libceph: rename and export con->state states
  libceph: make con->state an int
  ...
2020-12-17 11:53:52 -08:00
Linus Torvalds
92dbc9dedc overlayfs update for 5.11
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Merge tag 'ovl-update-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs

Pull overlayfs updates from Miklos Szeredi:

 - Allow unprivileged mounting in a user namespace.

   For quite some time the security model of overlayfs has been that
   operations on underlying layers shall be performed with the
   privileges of the mounting task.

   This way an unprvileged user cannot gain privileges by the act of
   mounting an overlayfs instance. A full audit of all function calls
   made by the overlayfs code has been performed to see whether they
   conform to this model, and this branch contains some fixes in this
   regard.

 - Support running on copied filesystem images by optionally disabling
   UUID verification.

 - Bug fixes as well as documentation updates.

* tag 'ovl-update-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: unprivieged mounts
  ovl: do not get metacopy for userxattr
  ovl: do not fail because of O_NOATIME
  ovl: do not fail when setting origin xattr
  ovl: user xattr
  ovl: simplify file splice
  ovl: make ioctl() safe
  ovl: check privs before decoding file handle
  vfs: verify source area in vfs_dedupe_file_range_one()
  vfs: move cap_convert_nscap() call into vfs_setxattr()
  ovl: fix incorrect extent info in metacopy case
  ovl: expand warning in ovl_d_real()
  ovl: document lower modification caveats
  ovl: warn about orphan metacopy
  ovl: doc clarification
  ovl: introduce new "uuid=off" option for inodes index feature
  ovl: propagate ovl_fs to ovl_decode_real_fh and ovl_encode_real_fh
2020-12-17 11:42:48 -08:00
Linus Torvalds
ff49c86f27 f2fs-for-5.11-rc1
In this round, we've made more work into per-file compression support. For
 example, F2FS_IOC_GET|SET_COMPRESS_OPTION provides a way to change the
 algorithm or cluster size per file. F2FS_IOC_COMPRESS|DECOMPRESS_FILE provides
 a way to compress and decompress the existing normal files manually along with
 a new mount option, compress_mode=fs|user, which can control who compresses the
 data. Chao also added a checksum feature with a mount option so that we are able
 to detect any corrupted cluster. In addition, Daniel contributed casefolding
 with encryption patch, which will be used for Android devices.
 
 Enhancement:
  - add ioctls and mount option to manage per-file compression feature
  - support casefolding with encryption
  - support checksum for compressed cluster
  - avoid IO starvation by replacing mutex with rwsem
  - add sysfs, max_io_bytes, to control max bio size
 
 Bug fix:
  - fix use-after-free issue when compression and fsverity are enabled
  - fix consistency corruption during fault injection test
  - fix data offset for lseek
  - get rid of buffer_head which has 32bits limit in fiemap
  - fix some bugs in multi-partitions support
  - fix nat entry count calculation in shrinker
  - fix some stat information
 
 And, we've refactored some logics and fix minor bugs as well.
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Merge tag 'f2fs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've made more work into per-file compression support.

  For example, F2FS_IOC_GET | SET_COMPRESS_OPTION provides a way to
  change the algorithm or cluster size per file. F2FS_IOC_COMPRESS |
  DECOMPRESS_FILE provides a way to compress and decompress the existing
  normal files manually.

  There is also a new mount option, compress_mode=fs|user, which can
  control who compresses the data.

  Chao also added a checksum feature with a mount option so that
  we are able to detect any corrupted cluster.

  In addition, Daniel contributed casefolding with encryption patch,
  which will be used for Android devices.

  Summary:

  Enhancements:
   - add ioctls and mount option to manage per-file compression feature
   - support casefolding with encryption
   - support checksum for compressed cluster
   - avoid IO starvation by replacing mutex with rwsem
   - add sysfs, max_io_bytes, to control max bio size

  Bug fixes:
   - fix use-after-free issue when compression and fsverity are enabled
   - fix consistency corruption during fault injection test
   - fix data offset for lseek
   - get rid of buffer_head which has 32bits limit in fiemap
   - fix some bugs in multi-partitions support
   - fix nat entry count calculation in shrinker
   - fix some stat information

  And, we've refactored some logics and fix minor bugs as well"

* tag 'f2fs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (36 commits)
  f2fs: compress: fix compression chksum
  f2fs: fix shift-out-of-bounds in sanity_check_raw_super()
  f2fs: fix race of pending_pages in decompression
  f2fs: fix to account inline xattr correctly during recovery
  f2fs: inline: fix wrong inline inode stat
  f2fs: inline: correct comment in f2fs_recover_inline_data
  f2fs: don't check PAGE_SIZE again in sanity_check_raw_super()
  f2fs: convert to F2FS_*_INO macro
  f2fs: introduce max_io_bytes, a sysfs entry, to limit bio size
  f2fs: don't allow any writes on readonly mount
  f2fs: avoid race condition for shrinker count
  f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
  f2fs: add compress_mode mount option
  f2fs: Remove unnecessary unlikely()
  f2fs: init dirty_secmap incorrectly
  f2fs: remove buffer_head which has 32bits limit
  f2fs: fix wrong block count instead of bytes
  f2fs: use new conversion functions between blks and bytes
  f2fs: rename logical_to_blk and blk_to_logical
  f2fs: fix kbytes written stat for multi-device case
  ...
2020-12-17 11:18:00 -08:00
Linus Torvalds
b97d4c424e \n
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Merge tag 'for_v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull ext2, reiserfs, quota and writeback updates from Jan Kara:

 - a couple of quota fixes (mostly for problems found by syzbot)

 - several ext2 cleanups

 - one fix for reiserfs crash on corrupted image

 - a fix for spurious warning in writeback code

* tag 'for_v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  writeback: don't warn on an unregistered BDI in __mark_inode_dirty
  fs: quota: fix array-index-out-of-bounds bug by passing correct argument to vfs_cleanup_quota_inode()
  reiserfs: add check for an invalid ih_entry_count
  ext2: Fix fall-through warnings for Clang
  fs/ext2: Use ext2_put_page
  docs: filesystems: Reduce ext2.rst to one top-level heading
  quota: Sanity-check quota file headers on load
  quota: Don't overflow quota file offsets
  ext2: Remove unnecessary blank
  fs/quota: update quota state flags scheme with project quota flags
2020-12-17 11:00:37 -08:00
Linus Torvalds
14bd41e418 \n
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Merge tag 'fsnotify_for_v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull fsnotify updates from Jan Kara:
 "A few fsnotify fixes from Amir fixing fallout from big fsnotify
  overhaul a few months back and an improvement of defaults limiting
  maximum number of inotify watches from Waiman"

* tag 'fsnotify_for_v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  fsnotify: fix events reported to watching parent and child
  inotify: convert to handle_inode_event() interface
  fsnotify: generalize handle_inode_event()
  inotify: Increase default inotify.max_user_watches limit to 1048576
2020-12-17 10:56:27 -08:00
Harshad Shirwadkar
9bd23c31f3 jbd2: add a helper to find out number of fast commit blocks
Add a helper to read number of fast commit blocks from jbd2 superblock
and also rename the JBD2_MIN_FC_BLKS to
JBD2_DEFAULT_FAST_COMMIT_BLOCKS since this constant is just the
default number of fast commit blocks to use in case number of fast
commit blocks isn't set in jbd2 superblock.

Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201120202232.2240293-2-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2020-12-17 13:30:45 -05:00
Parav Pandit
49e27134f6 net/mlx5: Fix compilation warning for 32-bit platform
MLX5_GENERAL_OBJECT_TYPES types bitfield is 64-bit field.

Defining an enum for such bit fields on 32-bit platform results in below
warning.

./include/vdso/bits.h:7:26: warning: left shift count >= width of type [-Wshift-count-overflow]
                         ^
./include/linux/mlx5/mlx5_ifc.h:10716:46: note: in expansion of macro ‘BIT’
 MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_SAMPLER = BIT(0x20),
                                             ^~~

Use 32-bit friendly BIT_ULL macro.

Fixes: 2a29708916 ("net/mlx5: Add sample offload hardware bits and structures")
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20201213120641.216032-1-leon@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-17 10:11:29 -08:00
Uwe Kleine-König
3df23a316c pwm: Remove unused function pwmchip_add_inversed()
This is only defined with CONFIG_PWM unset and was introduced together
with pwmchip_add_with_polarity() (which is only defined with CONFIG_PWM
enabled). I guess the series that introduced pwmchip_add_with_polarity()
had a different concept in earlier revisions and the !CONFIG_PWM part
was just not updated accordingly.

Given that there is no implementation for pwmchip_add_with_polarity()
without CONFIG_PWM, just drop pwmchip_add_inversed() instead of renaming
it to pwmchip_add_with_polarity().

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-12-17 14:19:01 +01:00
Linus Torvalds
48c1c40ab4 ARM: SoC drivers for v5.11
There are a couple of subsystems maintained by other people that
 merge their drivers through the SoC tree, those changes include:
 
  - The SCMI firmware framework gains support for sensor notifications
    and for controlling voltage domains.
 
  - A large update for the Tegra memory controller driver, integrating
    it better with the interconnect framework
 
  - The memory controller subsystem gains support for Mediatek MT8192
 
  - The reset controller framework gains support for sharing pulsed
    resets
 
 For Soc specific drivers in drivers/soc, the main changes are
 
  - The Allwinner/sunxi MBUS gets a rework for the way it handles
    dma_map_ops and offsets between physical and dma address spaces.
 
  - An errata fix plus some cleanups for Freescale Layerscape SoCs
 
  - A cleanup for renesas drivers regarding MMIO accesses.
 
  - New SoC specific drivers for Mediatek MT8192 and MT8183 power domains
 
  - New SoC specific drivers for Aspeed AST2600 LPC bus control
    and SoC identification.
 
  - Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660
    and SDX55.
 
  - A rework of the TI AM33xx 'genpd' power domain support to use
    information from DT instead of platform data
 
  - Support for TI AM64x SoCs
 
  - Allow building some Amlogic drivers as modules instead of built-in
 
 Finally, there are numerous cleanups and smaller bug fixes for
 Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
 Renesas, and Xilinx SoCs.
 
 There is a trivial conflict in the cedrus driver, with two branches
 adding the same CEDRUS_CAPABILITY_H265_DEC flag, and another trivial
 remove/remove conflict in linux/dma-mapping.h.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "There are a couple of subsystems maintained by other people that merge
  their drivers through the SoC tree, those changes include:

   - The SCMI firmware framework gains support for sensor notifications
     and for controlling voltage domains.

   - A large update for the Tegra memory controller driver, integrating
     it better with the interconnect framework

   - The memory controller subsystem gains support for Mediatek MT8192

   - The reset controller framework gains support for sharing pulsed
     resets

  For Soc specific drivers in drivers/soc, the main changes are

   - The Allwinner/sunxi MBUS gets a rework for the way it handles
     dma_map_ops and offsets between physical and dma address spaces.

   - An errata fix plus some cleanups for Freescale Layerscape SoCs

   - A cleanup for renesas drivers regarding MMIO accesses.

   - New SoC specific drivers for Mediatek MT8192 and MT8183 power
     domains

   - New SoC specific drivers for Aspeed AST2600 LPC bus control and SoC
     identification.

   - Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660 and
     SDX55.

   - A rework of the TI AM33xx 'genpd' power domain support to use
     information from DT instead of platform data

   - Support for TI AM64x SoCs

   - Allow building some Amlogic drivers as modules instead of built-in

  Finally, there are numerous cleanups and smaller bug fixes for
  Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
  Renesas, and Xilinx SoCs"

* tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (222 commits)
  soc: mediatek: mmsys: Specify HAS_IOMEM dependency for MTK_MMSYS
  firmware: xilinx: Properly align function parameter
  firmware: xilinx: Add a blank line after function declaration
  firmware: xilinx: Remove additional newline
  firmware: xilinx: Fix kernel-doc warnings
  firmware: xlnx-zynqmp: fix compilation warning
  soc: xilinx: vcu: add missing register NUM_CORE
  soc: xilinx: vcu: use vcu-settings syscon registers
  dt-bindings: soc: xlnx: extract xlnx, vcu-settings to separate binding
  soc: xilinx: vcu: drop useless success message
  clk: samsung: mark PM functions as __maybe_unused
  soc: samsung: exynos-chipid: initialize later - with arch_initcall
  soc: samsung: exynos-chipid: order list of SoCs by name
  memory: jz4780_nemc: Fix potential NULL dereference in jz4780_nemc_probe()
  memory: ti-emif-sram: only build for ARMv7
  memory: tegra30: Support interconnect framework
  memory: tegra20: Support hardware versioning and clean up OPP table initialization
  dt-bindings: memory: tegra20-emc: Document opp-supported-hw property
  soc: rockchip: io-domain: Fix error return code in rockchip_iodomain_probe()
  reset-controller: ti: force the write operation when assert or deassert
  ...
2020-12-16 16:38:41 -08:00
Linus Torvalds
0c71cc04eb VFIO updates for v5.11-rc1
- Fix uninitialized list walk in error path (Eric Auger)
 
  - Use io_remap_pfn_range() (Jason Gunthorpe)
 
  - Allow fallback support for NVLink on POWER8 (Alexey Kardashevskiy)
 
  - Enable mdev request interrupt with CCW support (Eric Farman)
 
  - Enable interface to iommu_domain from vfio_group (Lu Baolu)
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Merge tag 'vfio-v5.11-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Fix uninitialized list walk in error path (Eric Auger)

 - Use io_remap_pfn_range() (Jason Gunthorpe)

 - Allow fallback support for NVLink on POWER8 (Alexey Kardashevskiy)

 - Enable mdev request interrupt with CCW support (Eric Farman)

 - Enable interface to iommu_domain from vfio_group (Lu Baolu)

* tag 'vfio-v5.11-rc1' of git://github.com/awilliam/linux-vfio:
  vfio/type1: Add vfio_group_iommu_domain()
  vfio-ccw: Wire in the request callback
  vfio-mdev: Wire in a request handler for mdev parent
  vfio/pci/nvlink2: Do not attempt NPU2 setup on POWER8NVL NPU
  vfio-pci: Use io_remap_pfn_range() for PCI IO memory
  vfio/pci: Move dummy_resources_list init in vfio_pci_probe()
2020-12-16 15:51:15 -08:00
Linus Torvalds
de925e2fbb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:

 - AMD SFH (Sensor Fusion Hub) support (Sandeep Singh)

 - increase of maximum HID report size to 16KB in order to support some
   of the modern devices (Dean Camera)

 - control interface support for hidraw (Dean Camera)

 - Sony DS4 power and firmware reporting fixes (Roderick Colenbrander)

 - support for ghlive PS3/WII U dongles (Pascal Giard)

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (27 commits)
  HID: i2c-hid: add Vero K147 to descriptor override
  HID: ite: Add support for Acer S1002 keyboard-dock
  HID: sony: support for ghlive ps3/wii u dongles
  HID: hidraw: Add additional hidraw input/output report ioctls.
  HID: Increase HID maximum report size to 16KB
  HID: elecom: drop stray comment
  HID: mf: add support for 0079:1846 Mayflash/Dragonrise USB Gamecube Adapter
  HID: elecom: add support for EX-G M-XGL20DLBK wireless mouse
  HID: elecom: rewrite report based on model specific parameters
  HID: wacom: Constify attribute_groups
  HID: input: Fix fall-through warnings for Clang
  HID: usbhid: Fix fall-through warnings for Clang
  HID: logitech-hidpp: Add hid_device_id for V470 bluetooth mouse
  HID: intel-ish-hid: Remove unnecessary assignment to variable rv
  HID: sony: Workaround for DS4 dongle hotplug kernel crash.
  HID: sony: Don't use fw_version/hw_version for sysfs cleanup.
  HID: sony: Report more accurate DS4 power status.
  SFH: fix error return check for -ERESTARTSYS
  HID: SFH: Add documentation
  HID: hid-input: occasionally report stylus battery even if not changed
  ...
2020-12-16 15:44:44 -08:00
Linus Torvalds
f68e4041ef This is the bulk of pin control changes for the v5.11 kernel:
New drivers:
 
 - New driver for the Microchip Serial GPIO "SGPIO".
 
 - Qualcomm SM8250 LPASS (Low Power Audio Subsystem) GPIO driver.
 
 New subdrivers:
 
 - Intel Lakefield subdriver.
 
 - Intel Elkhart Lake subdriver.
 
 - Intel Alder Lake-S subdriver.
 
 - Qualcomm MSM8953 subdriver.
 
 - Qualcomm SDX55 subdriver.
 
 - Qualcomm SDX55 PMIC subdriver.
 
 - Ocelot Luton SoC subdriver.
 
 - Ocelot Serval SoC subdriver.
 
 Modularization:
 
 - The Meson driver can now be built as modules.
 
 - The Qualcomm driver(s) can now be built as modules.
 
 Incremental improvements:
 
 - The Intel driver now supports pin configuration for GPIO-related
   configurations.
 
 - A bunch of Renesas PFC drivers have been augmented with support
   for QSPI pins, groups and functions.
 
 - Non-critical fixes to the irq handling in the Allwinner Sunxi
   driver.
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Merge tag 'pinctrl-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the bulk of pin control changes for the v5.11 kernel.

  Drivers, drivers and drivers. Not a single core change.

  Some new stuff, especially a bunch of new Intel, Qualcomm and Ocelot
  SoCs.

  As part of the modularization attempt, I applied one patch affecting
  the firmware subsystem as a functional (not syntactic/semantic)
  dependency and then it blew up in our face, so I had to revert it,
  bummer. It will come in later, through that subsystem, I guess.

  New drivers:

   - New driver for the Microchip Serial GPIO "SGPIO".

   - Qualcomm SM8250 LPASS (Low Power Audio Subsystem) GPIO driver.

  New subdrivers:

   - Intel Lakefield subdriver.

   - Intel Elkhart Lake subdriver.

   - Intel Alder Lake-S subdriver.

   - Qualcomm MSM8953 subdriver.

   - Qualcomm SDX55 subdriver.

   - Qualcomm SDX55 PMIC subdriver.

   - Ocelot Luton SoC subdriver.

   - Ocelot Serval SoC subdriver.

  Modularization:

   - The Meson driver can now be built as modules.

   - The Qualcomm driver(s) can now be built as modules.

  Incremental improvements:

   - The Intel driver now supports pin configuration for GPIO-related
     configurations.

   - A bunch of Renesas PFC drivers have been augmented with support for
     QSPI pins, groups and functions.

   - Non-critical fixes to the irq handling in the Allwinner Sunxi
     driver"

* tag 'pinctrl-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (80 commits)
  pinctrl/spear: simplify the return expression of spear300_pinctrl_probe()
  pinctrl: mediatek: simplify the return expression of mtk_pinconf_bias_disable_set_rev1()
  dt-bindings: pinctrl: pinctrl-microchip-sgpio: Add irq support
  pinctrl: pinctrl-microchip-sgpio: Add irq support (for sparx5)
  pinctrl: qcom: Add sm8250 lpass lpi pinctrl driver
  dt-bindings: pinctrl: qcom: Add sm8250 lpass lpi pinctrl bindings
  pinctrl: qcom-pmic-gpio: Add support for pmx55
  dt-bindings: pinctrl: qcom-pmic-gpio: Add pmx55 support
  pinctrl: pinctrl-microchip-sgpio: Mark some symbols with static keyword
  pinctrl: at91-pio4: Make PINCTRL_AT91PIO4 depend on HAS_IOMEM to fix build error
  pinctrl: mtk: Fix low level output voltage issue
  pinctrl: falcon: add missing put_device() call in pinctrl_falcon_probe()
  pinctrl: actions: pinctrl-s500: Constify s500_padinfo[]
  pinctrl: pinctrl-microchip-sgpio: Add OF config dependency
  pinctrl: pinctrl-microchip-sgpio: Add pinctrl driver for Microsemi Serial GPIO
  dt-bindings: pinctrl: Add bindings for pinctrl-microchip-sgpio driver
  pinctrl: at91-pio4: add support for fewer lines on last PIO bank
  pinctrl: sunxi: Always call chained_irq_{enter, exit} in sunxi_pinctrl_irq_handler
  pinctrl: sunxi: Mark the irq bank not found in sunxi_pinctrl_irq_handler() with WARN_ON
  pinctrl: sunxi: fix irq bank map for the Allwinner A100 pin controller
  ...
2020-12-16 15:02:49 -08:00
Linus Torvalds
a701262c02 MTD core:
* Fix refcounting for unpartitioned MTDs
 * Fix misspelled function parameter 'section'
 * Remove unneeded break
 * cmdline parser: Fix parsing of part-names with colons
 * mtdpart: Fix misdocumented function parameter 'mtd'
 
 MTD devices:
 * phram:
   - Allow the user to set the erase page size
   - File headers are not good candidates for kernel-doc
 * physmap-bt1-rom: Fix __iomem addrspace removal warning
 * plat-ram: correctly free memory on error path in platram_probe()
 * powernv_flash: Add function names to headers and fix 'dev'
 * docg3: Fix kernel-doc 'bad line' and 'excessive doc' issues
 
 UBI cleanup fixes:
 * gluebi: Fix misnamed function parameter documentation
 * wl: Fix a couple of kernel-doc issues
 * eba: Fix a couple of misdocumentation issues
 * kapi: Correct documentation for 'ubi_leb_read_sg's 'sgl' parameter
 * Document 'ubi_num' in struct mtd_dev_param
 
 Generic NAND core:
 * ECC management:
   - Add an I/O request tweaking mechanism
   - Entire rework of the software BCH ECC driver, creation of a real
     ECC engine, getting rid of raw NAND structures, migration to more
     generic prototypes, misc fixes and style cleanup. Moved now to the
     Generic NAND layer.
   - Entire rework of the software Hamming ECC driver, creation of a
     real ECC engine, getting rid of raw NAND structures, misc renames,
     comment updates, cleanup, and style fixes. Moved now to the
     generic NAND layer.
   - Necessary plumbing at the NAND level to retrieve generic NAND ECC
     engines (softwares and on-die).
   - Update of the bindings.
 
 Raw NAND core:
 * Geting rid of the chip->ecc.priv entry.
 * Fix miscellaneous typos in kernel-doc
 
 Raw NAND controller drivers:
 * Arasan: Document 'anfc_op's 'buf' member
 * AU1550: Ensure the presence of the right includes
 * Brcmnand: Demote non-conformant kernel-doc headers
 * Cafe: Remove superfluous param doc and add another
 * Davinci: Do not use extra dereferencing
 * Diskonchip: Marking unused variables as __always_unused
 * GPMI:
   - Fix the driver only sense CS0 R/B issue
   - Fix the random DMA timeout issue
   - Use a single line for of_device_id
   - Use of_device_get_match_data()
   - Fix reference count leak in gpmi ops
   - Cleanup makefile
   - Fix binding matching of clocks on different SoCs
 * Ingenic: remove redundant get_device() in ingenic_ecc_get()
 * Intel LGM: New NAND controller driver
 * Marvell: Drop useless line
 * Meson:
   - Fix a resource leak in init
   - Fix meson_nfc_dma_buffer_release() arguments
 * mxc:
   - Use device_get_match_data()
   - Use a single line for of_device_id
   - Remove platform data support
 * Omap:
   - Fix a bunch of kernel-doc misdemeanours
   - Finish ELM half populated function header, demote empty ones
 * s3c2410: Add documentation for 2 missing struct members
 * Sunxi: Document 'sunxi_nfc's 'caps' member
 * Qcom:
   - Add support for SDX55
   - Support for IPQ6018 QPIC NAND controller
   - Fix DMA sync on FLASH_STATUS register read
 * Rockchip: New NAND controller driver for RK3308, RK2928 and others
 * Sunxi: Add MDMA support
 
 ONENAND:
 * bbt: Fix expected kernel-doc formatting
 * Fix some kernel-doc misdemeanours
 * Fix expected kernel-doc formatting
 * Use mtd->oops_panic_write as condition
 
 SPI-NAND core:
 * Creation of a SPI-NAND on-die ECC engine
 * Move ECC related definitions earlier in the driver
 * Fix typo in comment
 * Fill a default ECC provider/algorithm
 * Remove outdated comment
 * Fix OOB read
 * Allow the case where there is no ECC engine
 * Use the external ECC engine logic
 
 SPI-NAND chip drivers:
 * Micron:
   - Add support for MT29F2G01AAAED
   - Use more specific names
 * Macronix:
   - Add support for MX35LFxG24AD
   - Add support for MX35LFxGE4AD
 * Toshiba: Demote non-conformant kernel-doc header
 
 SPI-NOR core:
 * Initial support for stateful Octal DTR mode using volatile settings
 * Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards
 * Support for Cypress Semper flash
 * Support to specify ECC block size of SPI NOR flashes
 * Fixes to avoid clearing of non-volatile Block Protection bits at
   probe
 * hisi-sfc: Demote non-conformant kernel-doc
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Merge tag 'mtd/for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "MTD core:
   - Fix refcounting for unpartitioned MTDs
   - Fix misspelled function parameter 'section'
   - Remove unneeded break
   - cmdline parser: Fix parsing of part-names with colons
   - mtdpart: Fix misdocumented function parameter 'mtd'

  MTD devices:
   - phram:
      - Allow the user to set the erase page size
      - File headers are not good candidates for kernel-doc
   - physmap-bt1-rom: Fix __iomem addrspace removal warning
   - plat-ram: correctly free memory on error path in platram_probe()
   - powernv_flash: Add function names to headers and fix 'dev'
   - docg3: Fix kernel-doc 'bad line' and 'excessive doc' issues

  UBI cleanup fixes:
   - gluebi: Fix misnamed function parameter documentation
   - wl: Fix a couple of kernel-doc issues
   - eba: Fix a couple of misdocumentation issues
   - kapi: Correct documentation for 'ubi_leb_read_sg's 'sgl' parameter
   - Document 'ubi_num' in struct mtd_dev_param

  Generic NAND core ECC management:
   - Add an I/O request tweaking mechanism
   - Entire rework of the software BCH ECC driver, creation of a real
     ECC engine, getting rid of raw NAND structures, migration to more
     generic prototypes, misc fixes and style cleanup. Moved now to the
     Generic NAND layer.
   - Entire rework of the software Hamming ECC driver, creation of a
     real ECC engine, getting rid of raw NAND structures, misc renames,
     comment updates, cleanup, and style fixes. Moved now to the generic
     NAND layer.
   - Necessary plumbing at the NAND level to retrieve generic NAND ECC
     engines (softwares and on-die).
   - Update of the bindings.

  Raw NAND core:
   - Geting rid of the chip->ecc.priv entry.
   - Fix miscellaneous typos in kernel-doc

  Raw NAND controller drivers:
   - Arasan: Document 'anfc_op's 'buf' member
   - AU1550: Ensure the presence of the right includes
   - Brcmnand: Demote non-conformant kernel-doc headers
   - Cafe: Remove superfluous param doc and add another
   - Davinci: Do not use extra dereferencing
   - Diskonchip: Marking unused variables as __always_unused
   - GPMI:
      - Fix the driver only sense CS0 R/B issue
      - Fix the random DMA timeout issue
      - Use a single line for of_device_id
      - Use of_device_get_match_data()
      - Fix reference count leak in gpmi ops
      - Cleanup makefile
      - Fix binding matching of clocks on different SoCs
   - Ingenic: remove redundant get_device() in ingenic_ecc_get()
   - Intel LGM: New NAND controller driver
   - Marvell: Drop useless line
   - Meson:
      - Fix a resource leak in init
      - Fix meson_nfc_dma_buffer_release() arguments
   - mxc:
      - Use device_get_match_data()
      - Use a single line for of_device_id
      - Remove platform data support
   - Omap:
      - Fix a bunch of kernel-doc misdemeanours
      - Finish ELM half populated function header, demote empty ones
   - s3c2410: Add documentation for 2 missing struct members
   - Sunxi: Document 'sunxi_nfc's 'caps' member
   - Qcom:
      - Add support for SDX55
      - Support for IPQ6018 QPIC NAND controller
      - Fix DMA sync on FLASH_STATUS register read
   - Rockchip: New NAND controller driver for RK3308, RK2928 and others
   - Sunxi: Add MDMA support

  ONENAND:
   - bbt: Fix expected kernel-doc formatting
   - Fix some kernel-doc misdemeanours
   - Fix expected kernel-doc formatting
   - Use mtd->oops_panic_write as condition

  SPI-NAND core:
   - Creation of a SPI-NAND on-die ECC engine
   - Move ECC related definitions earlier in the driver
   - Fix typo in comment
   - Fill a default ECC provider/algorithm
   - Remove outdated comment
   - Fix OOB read
   - Allow the case where there is no ECC engine
   - Use the external ECC engine logic

  SPI-NAND chip drivers:
   - Micron:
      - Add support for MT29F2G01AAAED
      - Use more specific names
   - Macronix:
      - Add support for MX35LFxG24AD
      - Add support for MX35LFxGE4AD
   - Toshiba: Demote non-conformant kernel-doc header

  SPI-NOR core:
   - Initial support for stateful Octal DTR mode using volatile settings
   - Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards
   - Support for Cypress Semper flash
   - Support to specify ECC block size of SPI NOR flashes
   - Fixes to avoid clearing of non-volatile Block Protection bits at
     probe
   - hisi-sfc: Demote non-conformant kernel-doc"

* tag 'mtd/for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (120 commits)
  mtd: spinand: macronix: Add support for MX35LFxG24AD
  mtd: rawnand: rockchip: NFC driver for RK3308, RK2928 and others
  dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller
  mtd: rawnand: gpmi: Use a single line for of_device_id
  mtd: rawnand: gpmi: Fix the random DMA timeout issue
  mtd: rawnand: gpmi: Fix the driver only sense CS0 R/B issue
  mtd: rawnand: qcom: Add NAND controller support for SDX55
  dt-bindings: qcom_nandc: Add SDX55 QPIC NAND documentation
  mtd: rawnand: mxc: Use a single line for of_device_id
  mtd: rawnand: mxc: Use device_get_match_data()
  mtd: rawnand: meson: Fix a resource leak in init
  mtd: rawnand: gpmi: Use of_device_get_match_data()
  mtd: rawnand: Add NAND controller support on Intel LGM SoC
  dt-bindings: mtd: Add Nand Flash Controller support for Intel LGM SoC
  mtd: spinand: micron: Add support for MT29F2G01AAAED
  mtd: spinand: micron: Use more specific names
  mtd: rawnand: gpmi: fix reference count leak in gpmi ops
  dt-bindings: mtd: gpmi-nand: Fix matching of clocks on different SoCs
  mtd: spinand: macronix: Add support for MX35LFxGE4AD
  mtd: plat-ram: correctly free memory on error path in platram_probe()
  ...
2020-12-16 14:58:35 -08:00
Linus Torvalds
278f54c461 - New Drivers
- Add support for Intel's Platform Monitoring Technology (PMT)
 
  - New Device Support
    - Add support for PM660/PM660L to QCom SPMI PMIC
    - Add support for lots of new devices to Kontron Core
 
  - New Functionality
    - Provide syscon_regmap_lookup_by_phandle_optional() to SysCon API
 
  - Fix-ups
    - Constify; da9xxx-core; intel_*, tps65xxx, wm8xxx-core, lp8788,
                stmpe, sun4i-gpadc, 88pm800, hi655x-pmic, ioc3, etc
    - Remove superfluous code; madera, tps65910
    - Use raw APIs (rid abstractions); tps65911-comparator, tps65910
    - Whitespace/formatting fix-ups; tps65910
    - Device Tree changes/updates; bd71837-pmic, syscon
    - Use helpers/APIs (no hand rolling); altera-sysmgr
    - Mark of_match tables as __maybe_unused; twl6030-irq
    - Fix spelling; si476x-core
 
  - Bug Fixes
    - Reset on resume to ensure known state; madera-core
    - Correct ordering issues; madera-core, tps65910, kempld-core
    - Remove erroneous passing of of_compatible strings; at91-usart
    - Fix potential I2C adaptor leak; htc-i2cpld
    - Correct errorneous defines; rt5033-private
    - Resolve Kconfig issues; MFD_SL28CPLD, MFD_OMAP_USB_HOST
    - Fix dev_err_probe() handling; stmfx
    - Repair interrupt regression; motorola-cpcap
    - Allow ACPI matching of DT tables; bcm590xx, da9xx, ene-kb3930,
                                        fsl-imx25-tsadc, max77650,
 				       mt6397-core, rt5033, stmfx,
 				       max77686, sun4i-gpadc,
 				       wm8994-core, axp20x-i2c
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Merge tag 'mfd-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers
   - Add support for Intel's Platform Monitoring Technology (PMT)

  New Device Support:
   - Add support for PM660/PM660L to QCom SPMI PMIC
   - Add support for lots of new devices to Kontron Core

  New Functionality:
   - Provide syscon_regmap_lookup_by_phandle_optional() to SysCon API

  Fix-ups:
   - Constify; da9xxx-core; intel_*, tps65xxx, wm8xxx-core, lp8788,
     stmpe, sun4i-gpadc, 88pm800, hi655x-pmic, ioc3, etc
   - Remove superfluous code; madera, tps65910
   - Use raw APIs (rid abstractions); tps65911-comparator, tps65910
   - Whitespace/formatting fix-ups; tps65910
   - Device Tree changes/updates; bd71837-pmic, syscon
   - Use helpers/APIs (no hand rolling); altera-sysmgr
   - Mark of_match tables as __maybe_unused; twl6030-irq
   - Fix spelling; si476x-core

  Bug Fixes:
   - Reset on resume to ensure known state; madera-core
   - Correct ordering issues; madera-core, tps65910, kempld-core
   - Remove erroneous passing of of_compatible strings; at91-usart
   - Fix potential I2C adaptor leak; htc-i2cpld
   - Correct errorneous defines; rt5033-private
   - Resolve Kconfig issues; MFD_SL28CPLD, MFD_OMAP_USB_HOST
   - Fix dev_err_probe() handling; stmfx
   - Repair interrupt regression; motorola-cpcap
   - Allow ACPI matching of DT tables; bcm590xx, da9xx, ene-kb3930,
     fsl-imx25-tsadc, max77650, mt6397-core, rt5033, stmfx, max77686,
     sun4i-gpadc, wm8994-core, axp20x-i2c"

[ The PMT updates already came in through the x86 platform tree ]

* tag 'mfd-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (48 commits)
  mfd: kempld-core: Add support for additional devices
  mfd: si476x-core.h: Fix "regulator" spelling in comment
  mfd: twl6030: Mark of_device_id table as maybe unused
  mfd: axp20x: Skip of_device_id table when !CONFIG_OF
  mfd: wm8994: Drop of_match_ptr from of_device_id table
  mfd: sun4i: Drop of_match_ptr from of_device_id table
  mfd: max77686: Drop of_match_ptr from of_device_id table
  mfd: stmfx: Drop of_match_ptr from of_device_id table
  mfd: rt5033: Drop of_match_ptr from of_device_id table
  mfd: mt6397: Drop of_match_ptr from of_device_id table
  mfd: max77650: Drop of_match_ptr from of_device_id table
  mfd: fsl-imx25: Drop of_match_ptr from of_device_id table
  mfd: ene-kb3930: Drop of_match_ptr from of_device_id table
  mfd: da9150: Drop of_match_ptr from of_device_id table
  mfd: da9063: Drop of_match_ptr from of_device_id table
  mfd: da9062: Drop of_match_ptr from of_device_id table
  mfd: da9055: Drop of_match_ptr from of_device_id table
  mfd: bcm590xx: Drop of_match_ptr from of_device_id table
  mfd: omap-usb: Depend on COMMON_CLK to fix compile tests
  mfd: kempld-core: Check for DMI definition before ACPI
  ...
2020-12-16 14:48:32 -08:00
Linus Torvalds
fff875a183 memblock: debug enhancements
Improve tracking of early memory allocations when memblock debug is
 enabled:
 
 * Add memblock_dbg() to memblock_phys_alloc_range() to get details about
   its usage
 * Make memblock allocator wrappers actually inline to track their callers
   in memblock debug messages
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Merge tag 'memblock-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock updates from Mike Rapoport:
 "memblock debug enhancements.

  Improve tracking of early memory allocations when memblock debug is
  enabled:

   - Add memblock_dbg() to memblock_phys_alloc_range() to get details
     about its usage

   - Make memblock allocator wrappers actually inline to track their
     callers in memblock debug messages"

* tag 'memblock-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  mm: memblock: drop __init from memblock functions to make it inline
  mm: memblock: add more debug logs
2020-12-16 14:44:53 -08:00
Linus Torvalds
19778dd504 IOMMU updates for 5.11
- IOVA allocation optimisations and removal of unused code
 
 - Introduction of DOMAIN_ATTR_IO_PGTABLE_CFG for parameterising the
   page-table of an IOMMU domain
 
 - Support for changing the default domain type in sysfs
 
 - Optimisation to the way in which identity-mapped regions are created
 
 - Driver updates:
   * Arm SMMU updates, including continued work on Shared Virtual Memory
   * Tegra SMMU updates, including support for PCI devices
   * Intel VT-D updates, including conversion to the IOMMU-DMA API
 
 - Cleanup, kerneldoc and minor refactoring
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Merge tag 'iommu-updates-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull IOMMU updates from Will Deacon:
 "There's a good mixture of improvements to the core code and driver
  changes across the board.

  One thing worth pointing out is that this includes a quirk to work
  around behaviour in the i915 driver (see 65f746e828 ("iommu: Add
  quirk for Intel graphic devices in map_sg")), which otherwise
  interacts badly with the conversion of the intel IOMMU driver over to
  the DMA-IOMMU APU but has being fixed properly in the DRM tree.

  We'll revert the quirk later this cycle once we've confirmed that
  things don't fall apart without it.

  Summary:

   - IOVA allocation optimisations and removal of unused code

   - Introduction of DOMAIN_ATTR_IO_PGTABLE_CFG for parameterising the
     page-table of an IOMMU domain

   - Support for changing the default domain type in sysfs

   - Optimisation to the way in which identity-mapped regions are
     created

   - Driver updates:
       * Arm SMMU updates, including continued work on Shared Virtual
         Memory
       * Tegra SMMU updates, including support for PCI devices
       * Intel VT-D updates, including conversion to the IOMMU-DMA API

   - Cleanup, kerneldoc and minor refactoring"

* tag 'iommu-updates-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (50 commits)
  iommu/amd: Add sanity check for interrupt remapping table length macros
  dma-iommu: remove __iommu_dma_mmap
  iommu/io-pgtable: Remove tlb_flush_leaf
  iommu: Stop exporting free_iova_mem()
  iommu: Stop exporting alloc_iova_mem()
  iommu: Delete split_and_remove_iova()
  iommu/io-pgtable-arm: Remove unused 'level' parameter from iopte_type() macro
  iommu: Defer the early return in arm_(v7s/lpae)_map
  iommu: Improve the performance for direct_mapping
  iommu: avoid taking iova_rbtree_lock twice
  iommu/vt-d: Avoid GFP_ATOMIC where it is not needed
  iommu/vt-d: Remove set but not used variable
  iommu: return error code when it can't get group
  iommu: Fix htmldocs warnings in sysfs-kernel-iommu_groups
  iommu: arm-smmu-impl: Add a space before open parenthesis
  iommu: arm-smmu-impl: Use table to list QCOM implementations
  iommu/arm-smmu: Move non-strict mode to use io_pgtable_domain_attr
  iommu/arm-smmu: Add support for pagetable config domain attribute
  iommu: Document usage of "/sys/kernel/iommu_groups/<grp_id>/type" file
  iommu: Take lock before reading iommu group default domain type
  ...
2020-12-16 13:58:47 -08:00
Linus Torvalds
007c74e16c Merge branch 'stable/for-linus-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb update from Konrad Rzeszutek Wilk:
 "A generic (but for right now engaged only with AMD SEV) mechanism to
  adjust a larger size SWIOTLB based on the total memory of the SEV
  guests which right now require the bounce buffer for interacting with
  the outside world.

  Normal knobs (swiotlb=XYZ) still work"

* 'stable/for-linus-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
  x86,swiotlb: Adjust SWIOTLB bounce buffer size for SEV guests
2020-12-16 13:51:34 -08:00
Linus Torvalds
009bd55dfc RDMA 5.11 pull request
A smaller set of patches, nothing stands out as being particularly major
 this cycle:
 
 - Driver bug fixes and updates: bnxt_re, cxgb4, rxe, hns, i40iw, cxgb4,
   mlx4 and mlx5
 
 - Bug fixes and polishing for the new rts ULP
 
 - Cleanup of uverbs checking for allowed driver operations
 
 - Use sysfs_emit all over the place
 
 - Lots of bug fixes and clarity improvements for hns
 
 - hip09 support for hns
 
 - NDR and 50/100Gb signaling rates
 
 - Remove dma_virt_ops and go back to using the IB DMA wrappers
 
 - mlx5 optimizations for contiguous DMA regions
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "A smaller set of patches, nothing stands out as being particularly
  major this cycle. The biggest item would be the new HIP09 HW support
  from HNS, otherwise it was pretty quiet for new work here:

   - Driver bug fixes and updates: bnxt_re, cxgb4, rxe, hns, i40iw,
     cxgb4, mlx4 and mlx5

   - Bug fixes and polishing for the new rts ULP

   - Cleanup of uverbs checking for allowed driver operations

   - Use sysfs_emit all over the place

   - Lots of bug fixes and clarity improvements for hns

   - hip09 support for hns

   - NDR and 50/100Gb signaling rates

   - Remove dma_virt_ops and go back to using the IB DMA wrappers

   - mlx5 optimizations for contiguous DMA regions"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (147 commits)
  RDMA/cma: Don't overwrite sgid_attr after device is released
  RDMA/mlx5: Fix MR cache memory leak
  RDMA/rxe: Use acquire/release for memory ordering
  RDMA/hns: Simplify AEQE process for different types of queue
  RDMA/hns: Fix inaccurate prints
  RDMA/hns: Fix incorrect symbol types
  RDMA/hns: Clear redundant variable initialization
  RDMA/hns: Fix coding style issues
  RDMA/hns: Remove unnecessary access right set during INIT2INIT
  RDMA/hns: WARN_ON if get a reserved sl from users
  RDMA/hns: Avoid filling sl in high 3 bits of vlan_id
  RDMA/hns: Do shift on traffic class when using RoCEv2
  RDMA/hns: Normalization the judgment of some features
  RDMA/hns: Limit the length of data copied between kernel and userspace
  RDMA/mlx4: Remove bogus dev_base_lock usage
  RDMA/uverbs: Fix incorrect variable type
  RDMA/core: Do not indicate device ready when device enablement fails
  RDMA/core: Clean up cq pool mechanism
  RDMA/core: Update kernel documentation for ib_create_named_qp()
  MAINTAINERS: SOFT-ROCE: Change Zhu Yanjun's email address
  ...
2020-12-16 13:42:26 -08:00
Linus Torvalds
69f637c335 for-5.11/drivers-2020-12-14
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Merge tag 'for-5.11/drivers-2020-12-14' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:
 "Nothing major in here:

   - NVMe pull request from Christoph:
        - nvmet passthrough improvements (Chaitanya Kulkarni)
        - fcloop error injection support (James Smart)
        - read-only support for zoned namespaces without Zone Append
          (Javier González)
        - improve some error message (Minwoo Im)
        - reject I/O to offline fabrics namespaces (Victor Gladkov)
        - PCI queue allocation cleanups (Niklas Schnelle)
        - remove an unused allocation in nvmet (Amit Engel)
        - a Kconfig spelling fix (Colin Ian King)
        - nvme_req_qid simplication (Baolin Wang)

   - MD pull request from Song:
        - Fix race condition in md_ioctl() (Dae R. Jeong)
        - Initialize read_slot properly for raid10 (Kevin Vigor)
        - Code cleanup (Pankaj Gupta)
        - md-cluster resync/reshape fix (Zhao Heming)

   - Move null_blk into its own directory (Damien Le Moal)

   - null_blk zone and discard improvements (Damien Le Moal)

   - bcache race fix (Dongsheng Yang)

   - Set of rnbd fixes/improvements (Gioh Kim, Guoqing Jiang, Jack Wang,
     Lutz Pogrell, Md Haris Iqbal)

   - lightnvm NULL pointer deref fix (tangzhenhao)

   - sr in_interrupt() removal (Sebastian Andrzej Siewior)

   - FC endpoint security support for s390/dasd (Jan Höppner, Sebastian
     Ott, Vineeth Vijayan). From the s390 arch guys, arch bits included
     as it made it easier for them to funnel the feature through the
     block driver tree.

   - Follow up fixes (Colin Ian King)"

* tag 'for-5.11/drivers-2020-12-14' of git://git.kernel.dk/linux-block: (64 commits)
  block: drop dead assignments in loop_init()
  sr: Remove in_interrupt() usage in sr_init_command().
  sr: Switch the sector size back to 2048 if sr_read_sector() changed it.
  cdrom: Reset sector_size back it is not 2048.
  drivers/lightnvm: fix a null-ptr-deref bug in pblk-core.c
  null_blk: Move driver into its own directory
  null_blk: Allow controlling max_hw_sectors limit
  null_blk: discard zones on reset
  null_blk: cleanup discard handling
  null_blk: Improve implicit zone close
  null_blk: improve zone locking
  block: Align max_hw_sectors to logical blocksize
  null_blk: Fail zone append to conventional zones
  null_blk: Fix zone size initialization
  bcache: fix race between setting bdev state to none and new write request direct to backing
  block/rnbd: fix a null pointer dereference on dev->blk_symlink_name
  block/rnbd-clt: Dynamically alloc buffer for pathname & blk_symlink_name
  block/rnbd: call kobject_put in the failure path
  Documentation/ABI/rnbd-srv: add document for force_close
  block/rnbd-srv: close a mapped device from server side.
  ...
2020-12-16 13:09:32 -08:00
Jakub Kicinski
767143a18d phy: fix kdoc warning
Kdoc does not like it when multiline comment follows the networking
style of starting right on the first line:

include/linux/phy.h:869: warning: Function parameter or member 'config_intr' not described in 'phy_driver'

Link: https://lore.kernel.org/r/20201215063750.3120976-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-16 13:08:18 -08:00
Linus Torvalds
ac7ac4618c for-5.11/block-2020-12-14
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Merge tag 'for-5.11/block-2020-12-14' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:
 "Another series of killing more code than what is being added, again
  thanks to Christoph's relentless cleanups and tech debt tackling.

  This contains:

   - blk-iocost improvements (Baolin Wang)

   - part0 iostat fix (Jeffle Xu)

   - Disable iopoll for split bios (Jeffle Xu)

   - block tracepoint cleanups (Christoph Hellwig)

   - Merging of struct block_device and hd_struct (Christoph Hellwig)

   - Rework/cleanup of how block device sizes are updated (Christoph
     Hellwig)

   - Simplification of gendisk lookup and removal of block device
     aliasing (Christoph Hellwig)

   - Block device ioctl cleanups (Christoph Hellwig)

   - Removal of bdget()/blkdev_get() as exported API (Christoph Hellwig)

   - Disk change rework, avoid ->revalidate_disk() (Christoph Hellwig)

   - sbitmap improvements (Pavel Begunkov)

   - Hybrid polling fix (Pavel Begunkov)

   - bvec iteration improvements (Pavel Begunkov)

   - Zone revalidation fixes (Damien Le Moal)

   - blk-throttle limit fix (Yu Kuai)

   - Various little fixes"

* tag 'for-5.11/block-2020-12-14' of git://git.kernel.dk/linux-block: (126 commits)
  blk-mq: fix msec comment from micro to milli seconds
  blk-mq: update arg in comment of blk_mq_map_queue
  blk-mq: add helper allocating tagset->tags
  Revert "block: Fix a lockdep complaint triggered by request queue flushing"
  nvme-loop: use blk_mq_hctx_set_fq_lock_class to set loop's lock class
  blk-mq: add new API of blk_mq_hctx_set_fq_lock_class
  block: disable iopoll for split bio
  block: Improve blk_revalidate_disk_zones() checks
  sbitmap: simplify wrap check
  sbitmap: replace CAS with atomic and
  sbitmap: remove swap_lock
  sbitmap: optimise sbitmap_deferred_clear()
  blk-mq: skip hybrid polling if iopoll doesn't spin
  blk-iocost: Factor out the base vrate change into a separate function
  blk-iocost: Factor out the active iocgs' state check into a separate function
  blk-iocost: Move the usage ratio calculation to the correct place
  blk-iocost: Remove unnecessary advance declaration
  blk-iocost: Fix some typos in comments
  blktrace: fix up a kerneldoc comment
  block: remove the request_queue to argument request based tracepoints
  ...
2020-12-16 12:57:51 -08:00
Linus Torvalds
48aba79bcf for-5.11/io_uring-2020-12-14
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Merge tag 'for-5.11/io_uring-2020-12-14' of git://git.kernel.dk/linux-block

Pull io_uring updates from Jens Axboe:
 "Fairly light set of changes this time around, and mostly some bits
  that were pushed out to 5.11 instead of 5.10, fixes/cleanups, and a
  few features. In particular:

   - Cleanups around iovec import (David Laight, Pavel)

   - Add timeout support for io_uring_enter(2), which enables us to
     clean up liburing and avoid a timeout sqe submission in the
     completion path.

     The big win here is that it allows setups that split SQ and CQ
     handling into separate threads to avoid locking, as the CQ side
     will no longer submit when timeouts are needed when waiting for
     events (Hao Xu)

   - Add support for socket shutdown, and renameat/unlinkat.

   - SQPOLL cleanups and improvements (Xiaoguang Wang)

   - Allow SQPOLL setups for CAP_SYS_NICE, and enable regular
     (non-fixed) files to be used.

   - Cancelation improvements (Pavel)

   - Fixed file reference improvements (Pavel)

   - IOPOLL related race fixes (Pavel)

   - Lots of other little fixes and cleanups (mostly Pavel)"

* tag 'for-5.11/io_uring-2020-12-14' of git://git.kernel.dk/linux-block: (43 commits)
  io_uring: fix io_cqring_events()'s noflush
  io_uring: fix racy IOPOLL flush overflow
  io_uring: fix racy IOPOLL completions
  io_uring: always let io_iopoll_complete() complete polled io
  io_uring: add timeout update
  io_uring: restructure io_timeout_cancel()
  io_uring: fix files cancellation
  io_uring: use bottom half safe lock for fixed file data
  io_uring: fix miscounting ios_left
  io_uring: change submit file state invariant
  io_uring: check kthread stopped flag when sq thread is unparked
  io_uring: share fixed_file_refs b/w multiple rsrcs
  io_uring: replace inflight_wait with tctx->wait
  io_uring: don't take fs for recvmsg/sendmsg
  io_uring: only wake up sq thread while current task is in io worker context
  io_uring: don't acquire uring_lock twice
  io_uring: initialize 'timeout' properly in io_sq_thread()
  io_uring: refactor io_sq_thread() handling
  io_uring: always batch cancel in *cancel_files()
  io_uring: pass files into kill timeouts/poll
  ...
2020-12-16 12:44:05 -08:00
Linus Torvalds
005b2a9dc8 tif-task_work.arch-2020-12-14
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Merge tag 'tif-task_work.arch-2020-12-14' of git://git.kernel.dk/linux-block

Pull TIF_NOTIFY_SIGNAL updates from Jens Axboe:
 "This sits on top of of the core entry/exit and x86 entry branch from
  the tip tree, which contains the generic and x86 parts of this work.

  Here we convert the rest of the archs to support TIF_NOTIFY_SIGNAL.

  With that done, we can get rid of JOBCTL_TASK_WORK from task_work and
  signal.c, and also remove a deadlock work-around in io_uring around
  knowing that signal based task_work waking is invoked with the sighand
  wait queue head lock.

  The motivation for this work is to decouple signal notify based
  task_work, of which io_uring is a heavy user of, from sighand. The
  sighand lock becomes a huge contention point, particularly for
  threaded workloads where it's shared between threads. Even outside of
  threaded applications it's slower than it needs to be.

  Roman Gershman <romger@amazon.com> reported that his networked
  workload dropped from 1.6M QPS at 80% CPU to 1.0M QPS at 100% CPU
  after io_uring was changed to use TIF_NOTIFY_SIGNAL. The time was all
  spent hammering on the sighand lock, showing 57% of the CPU time there
  [1].

  There are further cleanups possible on top of this. One example is
  TIF_PATCH_PENDING, where a patch already exists to use
  TIF_NOTIFY_SIGNAL instead. Hopefully this will also lead to more
  consolidation, but the work stands on its own as well"

[1] https://github.com/axboe/liburing/issues/215

* tag 'tif-task_work.arch-2020-12-14' of git://git.kernel.dk/linux-block: (28 commits)
  io_uring: remove 'twa_signal_ok' deadlock work-around
  kernel: remove checking for TIF_NOTIFY_SIGNAL
  signal: kill JOBCTL_TASK_WORK
  io_uring: JOBCTL_TASK_WORK is no longer used by task_work
  task_work: remove legacy TWA_SIGNAL path
  sparc: add support for TIF_NOTIFY_SIGNAL
  riscv: add support for TIF_NOTIFY_SIGNAL
  nds32: add support for TIF_NOTIFY_SIGNAL
  ia64: add support for TIF_NOTIFY_SIGNAL
  h8300: add support for TIF_NOTIFY_SIGNAL
  c6x: add support for TIF_NOTIFY_SIGNAL
  alpha: add support for TIF_NOTIFY_SIGNAL
  xtensa: add support for TIF_NOTIFY_SIGNAL
  arm: add support for TIF_NOTIFY_SIGNAL
  microblaze: add support for TIF_NOTIFY_SIGNAL
  hexagon: add support for TIF_NOTIFY_SIGNAL
  csky: add support for TIF_NOTIFY_SIGNAL
  openrisc: add support for TIF_NOTIFY_SIGNAL
  sh: add support for TIF_NOTIFY_SIGNAL
  um: add support for TIF_NOTIFY_SIGNAL
  ...
2020-12-16 12:33:35 -08:00
Linus Torvalds
8312f41f08 MIPS updates for v5.11:
- enabled GCOV
 - reworked setup of protection map
 - added support for more MSCC platforms
 - added sysfs boardinfo for Loongson64
 - enabled KASLR for Loogson64
 - added reset controller for BCM63xx
 - cleanups and fixes
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Merge tag 'mips_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - enable GCOV

 - rework setup of protection map

 - add support for more MSCC platforms

 - add sysfs boardinfo for Loongson64

 - enable KASLR for Loogson64

 - add reset controller for BCM63xx

 - cleanups and fixes

* tag 'mips_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (70 commits)
  mips: fix Section mismatch in reference
  MAINTAINERS: Add linux-mips mailing list to JZ47xx entries
  MAINTAINERS: Remove JZ4780 DMA driver entry
  MAINTAINERS: chenhc@lemote.com -> chenhuacai@kernel.org
  MIPS: Octeon: irq: Alloc desc before configuring IRQ
  MIPS: mm: Add back define for PAGE_SHARED
  MIPS: Select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL to enable sysfs memblock debug
  mips: lib: uncached: fix non-standard usage of variable 'sp'
  MIPS: DTS: img: Fix schema warnings for pwm-leds
  MIPS: KASLR: Avoid endless loop in sync_icache if synci_step is zero
  MIPS: Move memblock_dump_all() to the end of setup_arch()
  MIPS: SMP-CPS: Add support for irq migration when CPU offline
  MIPS: OCTEON: Don't add kernel sections into memblock allocator
  MIPS: Don't round up kernel sections size for memblock_add()
  MIPS: Enable GCOV
  MIPS: configs: drop unused BACKLIGHT_GENERIC option
  MIPS: Loongson64: Fix up reserving kernel memory range
  MIPS: mm: Remove unused is_aligned_hugepage_range
  MIPS: No need to check CPU 0 in {loongson3,bmips,octeon}_cpu_disable()
  mips: cdmm: fix use-after-free in mips_cdmm_bus_discover
  ...
2020-12-16 12:07:54 -08:00
Linus Torvalds
571b12dd1a hyperv-next for 5.11
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Merge tag 'hyperv-next-signed-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull Hyper-V updates from Wei Liu:

 - harden VMBus (Andres Beltran)

 - clean up VMBus driver (Matheus Castello)

 - fix hv_balloon reporting (Vitaly Kuznetsov)

 - fix a potential OOB issue (Andrea Parri)

 - remove an obsolete TODO item (Stefan Eschenbacher)

* tag 'hyperv-next-signed-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hv_balloon: do adjust_managed_page_count() when ballooning/un-ballooning
  hv_balloon: simplify math in alloc_balloon_pages()
  drivers/hv: remove obsolete TODO and fix misleading typo in comment
  drivers: hv: vmbus: Fix checkpatch SPLIT_STRING
  hv_netvsc: Validate number of allocated sub-channels
  drivers: hv: vmbus: Fix call msleep using < 20ms
  drivers: hv: vmbus: Fix checkpatch LINE_SPACING
  drivers: hv: vmbus: Replace symbolic permissions by octal permissions
  drivers: hv: Fix hyperv_record_panic_msg path on comment
  hv_netvsc: Use vmbus_requestor to generate transaction IDs for VMBus hardening
  scsi: storvsc: Use vmbus_requestor to generate transaction IDs for VMBus hardening
  Drivers: hv: vmbus: Add vmbus_requestor data structure for VMBus hardening
2020-12-16 11:49:46 -08:00
Lijun Pan
7061eb8cfa net: core: introduce __netdev_notify_peers
There are some use cases for netdev_notify_peers in the context
when rtnl lock is already held. Introduce lockless version
of netdev_notify_peers call to save the extra code to call
	call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev);
	call_netdevice_notifiers(NETDEV_RESEND_IGMP, dev);
After that, convert netdev_notify_peers to call the new helper.

Suggested-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-16 11:43:25 -08:00
Linus Torvalds
e994cc240a seccomp updates for v5.11-rc1
- Improve seccomp performance via constant-action bitmaps (YiFei Zhu & Kees Cook)
 
 - Fix bogus __user annotations (Jann Horn)
 
 - Add missed CONFIG for improved selftest coverage (Mickaël Salaün)
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Merge tag 'seccomp-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp updates from Kees Cook:
 "The major change here is finally gaining seccomp constant-action
  bitmaps, which internally reduces the seccomp overhead for many
  real-world syscall filters to O(1), as discussed at Plumbers this
  year.

   - Improve seccomp performance via constant-action bitmaps (YiFei Zhu
     & Kees Cook)

   - Fix bogus __user annotations (Jann Horn)

   - Add missed CONFIG for improved selftest coverage (Mickaël Salaün)"

* tag 'seccomp-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  selftests/seccomp: Update kernel config
  seccomp: Remove bogus __user annotations
  seccomp/cache: Report cache data through /proc/pid/seccomp_cache
  xtensa: Enable seccomp architecture tracking
  sh: Enable seccomp architecture tracking
  s390: Enable seccomp architecture tracking
  riscv: Enable seccomp architecture tracking
  powerpc: Enable seccomp architecture tracking
  parisc: Enable seccomp architecture tracking
  csky: Enable seccomp architecture tracking
  arm: Enable seccomp architecture tracking
  arm64: Enable seccomp architecture tracking
  selftests/seccomp: Compare bitmap vs filter overhead
  x86: Enable seccomp architecture tracking
  seccomp/cache: Add "emulator" to check if filter is constant allow
  seccomp/cache: Lookup syscall allowlist bitmap for fast path
2020-12-16 11:30:10 -08:00
Linus Torvalds
ba1d41a55e pstore updates for v5.11-rc1
- Clean up unused but exposed API (Christoph Hellwig)
 - Provide KCONFIG for default size of kmsg buffer (Vasile-Laurentiu Stanimir)
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Merge tag 'pstore-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull pstore updates from Kees Cook:

 - Clean up unused but exposed API (Christoph Hellwig)

 - Provide KCONFIG for default size of kmsg buffer (Vasile-Laurentiu
   Stanimir)

* tag 'pstore-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  pstore: Move kmsg_bytes default into Kconfig
  pstore/blk: remove {un,}register_pstore_blk
  pstore/blk: update the command line example
  pstore/zone: cap the maximum device size
2020-12-16 11:25:16 -08:00
Geoff Levand
c18e68696f net/connector: Add const qualifier to cb_id
The connector driver never modifies any cb_id passed to it, so add a const
qualifier to those arguments so callers can declare their struct cb_id as a
constant object.

Fixes build warnings like these when passing a constant struct cb_id:

  warning: passing argument 1 of ‘cn_add_callback’ discards ‘const’ qualifier from pointer target

Signed-off-by: Geoff Levand <geoff@infradead.org>
Link: https://lore.kernel.org/r/a9e49c9e-67fa-16e7-0a6b-72f6bd30c58a@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-16 11:06:49 -08:00
Linus Torvalds
e20a9b92dd integrity-v5.11
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Merge tag 'integrity-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity subsystem updates from Mimi Zohar:
 "Just three patches here. Other integrity changes are being upstreamed
  via EFI (defines a common EFI secure and trusted boot IMA policy) and
  BPF LSM (exporting the IMA file cache hash info based on inode).

  The three patches included here:

   - bug fix: fail calculating the file hash, when a file not opened for
     read and the attempt to re-open it for read fails.

   - defer processing the "ima_appraise" boot command line option to
     avoid enabling different modes (e.g. fix, log) to when the secure
     boot flag is available on arm.

   - defines "ima-buf" as the default IMA buffer measurement template in
     preparation for the builtin integrity "critical data" policy"

* tag 'integrity-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  ima: Don't modify file descriptor mode on the fly
  ima: select ima-buf template for buffer measurement
  ima: defer arch_ima_get_secureboot() call to IMA init time
2020-12-16 11:06:07 -08:00
Linus Torvalds
ca5b877b6c selinux/stable-5.11 PR 20201214
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Merge tag 'selinux-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull selinux updates from Paul Moore:
 "While we have a small number of SELinux patches for v5.11, there are a
  few changes worth highlighting:

   - Change the LSM network hooks to pass flowi_common structs instead
     of the parent flowi struct as the LSMs do not currently need the
     full flowi struct and they do not have enough information to use it
     safely (missing information on the address family).

     This patch was discussed both with Herbert Xu (representing team
     netdev) and James Morris (representing team
     LSMs-other-than-SELinux).

   - Fix how we handle errors in inode_doinit_with_dentry() so that we
     attempt to properly label the inode on following lookups instead of
     continuing to treat it as unlabeled.

   - Tweak the kernel logic around allowx, auditallowx, and dontauditx
     SELinux policy statements such that the auditx/dontauditx are
     effective even without the allowx statement.

  Everything passes our test suite"

* tag 'selinux-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
  lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
  selinux: Fix fall-through warnings for Clang
  selinux: drop super_block backpointer from superblock_security_struct
  selinux: fix inode_doinit_with_dentry() LABEL_INVALID error handling
  selinux: allow dontauditx and auditallowx rules to take effect without allowx
  selinux: fix error initialization in inode_doinit_with_dentry()
2020-12-16 11:01:04 -08:00
Linus Torvalds
3d5de2ddc6 audit/stable-5.11 PR 20201214
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Merge tag 'audit-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit updates from Paul Moore:
 "A small set of audit patches for v5.11 with four patches in total and
  only one of any real significance.

  Richard's patch to trigger accompanying records causes the kernel to
  emit additional related records when an audit event occurs; helping
  provide some much needed context to events in the audit log. It is
  also worth mentioning that this is a revised patch based on an earlier
  attempt that had to be reverted in the v5.8 time frame.

  Everything passes our test suite, and with no problems reported please
  merge this for v5.11"

* tag 'audit-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: replace atomic_add_return()
  audit: fix macros warnings
  audit: trigger accompanying records when no rules present
  audit: fix a kernel-doc markup
2020-12-16 10:54:03 -08:00
Linus Torvalds
d3eb52113d printk changes for 5.11
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Merge tag 'printk-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Finally allow parallel writes and reads into/from the lockless
   ringbuffer. But it is not a complete solution. Readers are still
   serialized against each other. And nested writes are still prevented
   by printk_safe per-CPU buffers.

 - Use ttynull as the ultimate fallback for /dev/console.

 - Officially allow disabling console output by using console="" or
   console=null

 - A few code cleanups

* tag 'printk-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: remove logbuf_lock writer-protection of ringbuffer
  printk: inline log_output(),log_store() in vprintk_store()
  printk: remove obsolete dead assignment
  printk/console: Allow to disable console output by using console="" or console=null
  init/console: Use ttynull as a fallback when there is no console
  printk: ringbuffer: Reference text_data_ring directly in callees.
2020-12-16 10:45:11 -08:00
Miquel Raynal
4c9e94dff6 SPI NOR core changes:
- Initial support for stateful Octal DTR mode using volatile settings
 - Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards
 - Support for Cypress Semper flash
 - Support to specify ECC block size of SPI NOR flashes
 - Fixes to avoid clearing of non-volatile Block Protection bits at probe
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mergetag object ee4e0eafa4
 type commit
 tag nand/for-5.11
 tagger Miquel Raynal <miquel.raynal@bootlin.com> 1608042580 +0100
 
 Generic NAND core:
 * ECC management:
   - Add an I/O request tweaking mechanism
   - Entire rework of the software BCH ECC driver, creation of a real
     ECC engine, getting rid of raw NAND structures, migration to more
     generic prototypes, misc fixes and style cleanup. Moved now to the
     Generic NAND layer.
   - Entire rework of the software Hamming ECC driver, creation of a
     real ECC engine, getting rid of raw NAND structures, misc renames,
     comment updates, cleanup, and style fixes. Moved now to the
     generic NAND layer.
   - Necessary plumbing at the NAND level to retrieve generic NAND ECC
     engines (softwares and on-die).
   - Update of the bindings.
 
 Raw NAND core:
 * Geting rid of the chip->ecc.priv entry.
 * Fix miscellaneous typos in kernel-doc
 
 Raw NAND controller drivers:
 * AU1550: Ensure the presence of the right includes
 * Davinci: Do not use extra dereferencing
 * GPMI:
   - Fix the driver only sense CS0 R/B issue
   - Fix the random DMA timeout issue
   - Use a single line for of_device_id
   - Use of_device_get_match_data()
   - Fix reference count leak in gpmi ops
   - Cleanup makefile
   - Fix binding matching of clocks on different SoCs
 * Ingenic: remove redundant get_device() in ingenic_ecc_get()
 * Intel LGM: New NAND controller driver
 * Marvell: Drop useless line
 * Meson:
   - Fix a resource leak in init
   - Fix meson_nfc_dma_buffer_release() arguments
 * mxc:
   - Use device_get_match_data()
   - Use a single line for of_device_id
   - Remove platform data support
 * Qcom:
   - Add support for SDX55
   - Support for IPQ6018 QPIC NAND controller
   - Fix DMA sync on FLASH_STATUS register read
 * Rockchip: New NAND controller driver for RK3308, RK2928 and others
 * Sunxi: Add MDMA support
 
 SPI-NAND core:
 * Creation of a SPI-NAND on-die ECC engine
 * Move ECC related definitions earlier in the driver
 * Fix typo in comment
 * Fill a default ECC provider/algorithm
 * Remove outdated comment
 * Fix OOB read
 * Allow the case where there is no ECC engine
 * Use the external ECC engine logic
 
 SPI-NAND chip drivers:
 * Micron:
   - Add support for MT29F2G01AAAED
   - Use more specific names
 * Macronix:
   - Add support for MX35LFxG24AD
   - Add support for MX35LFxGE4AD
 
 Others:
 * onenand: Use mtd->oops_panic_write as condition
 * plat-ram: correctly free memory on error path in platram_probe()
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Merge tags 'spi-nor/for-5.11' and 'nand/for-5.11' into mtd/next

SPI NOR core changes:

- Initial support for stateful Octal DTR mode using volatile settings
- Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards
- Support for Cypress Semper flash
- Support to specify ECC block size of SPI NOR flashes
- Fixes to avoid clearing of non-volatile Block Protection bits at probe

Generic NAND core:
* ECC management:
  - Add an I/O request tweaking mechanism
  - Entire rework of the software BCH ECC driver, creation of a real
    ECC engine, getting rid of raw NAND structures, migration to more
    generic prototypes, misc fixes and style cleanup. Moved now to the
    Generic NAND layer.
  - Entire rework of the software Hamming ECC driver, creation of a
    real ECC engine, getting rid of raw NAND structures, misc renames,
    comment updates, cleanup, and style fixes. Moved now to the
    generic NAND layer.
  - Necessary plumbing at the NAND level to retrieve generic NAND ECC
    engines (softwares and on-die).
  - Update of the bindings.

Raw NAND core:
* Geting rid of the chip->ecc.priv entry.
* Fix miscellaneous typos in kernel-doc

Raw NAND controller drivers:
* AU1550: Ensure the presence of the right includes
* Davinci: Do not use extra dereferencing
* GPMI:
  - Fix the driver only sense CS0 R/B issue
  - Fix the random DMA timeout issue
  - Use a single line for of_device_id
  - Use of_device_get_match_data()
  - Fix reference count leak in gpmi ops
  - Cleanup makefile
  - Fix binding matching of clocks on different SoCs
* Ingenic: remove redundant get_device() in ingenic_ecc_get()
* Intel LGM: New NAND controller driver
* Marvell: Drop useless line
* Meson:
  - Fix a resource leak in init
  - Fix meson_nfc_dma_buffer_release() arguments
* mxc:
  - Use device_get_match_data()
  - Use a single line for of_device_id
  - Remove platform data support
* Qcom:
  - Add support for SDX55
  - Support for IPQ6018 QPIC NAND controller
  - Fix DMA sync on FLASH_STATUS register read
* Rockchip: New NAND controller driver for RK3308, RK2928 and others
* Sunxi: Add MDMA support

SPI-NAND core:
* Creation of a SPI-NAND on-die ECC engine
* Move ECC related definitions earlier in the driver
* Fix typo in comment
* Fill a default ECC provider/algorithm
* Remove outdated comment
* Fix OOB read
* Allow the case where there is no ECC engine
* Use the external ECC engine logic

SPI-NAND chip drivers:
* Micron:
  - Add support for MT29F2G01AAAED
  - Use more specific names
* Macronix:
  - Add support for MX35LFxG24AD
  - Add support for MX35LFxGE4AD

Others:
* onenand: Use mtd->oops_panic_write as condition
* plat-ram: correctly free memory on error path in platram_probe()
2020-12-16 18:48:16 +01:00