- fix some bugs introduced by the recent Kconfig syntax extension
- add some symbols about compiler information in Kconfig, such as
CC_IS_GCC, CC_IS_CLANG, GCC_VERSION, etc.
- test compiler capability for the stack protector in Kconfig, and
clean-up Makefile
- test compiler capability for GCC-plugins in Kconfig, and clean-up
Makefile
- allow to enable GCC-plugins for COMPILE_TEST
- test compiler capability for KCOV in Kconfig and correct dependency
- remove auto-detect mode of the GCOV format, which is now more nicely
handled in Kconfig
- test compiler capability for mprofile-kernel on PowerPC, and
clean-up Makefile
- misc cleanups
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Merge tag 'kbuild-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- fix some bugs introduced by the recent Kconfig syntax extension
- add some symbols about compiler information in Kconfig, such as
CC_IS_GCC, CC_IS_CLANG, GCC_VERSION, etc.
- test compiler capability for the stack protector in Kconfig, and
clean-up Makefile
- test compiler capability for GCC-plugins in Kconfig, and clean-up
Makefile
- allow to enable GCC-plugins for COMPILE_TEST
- test compiler capability for KCOV in Kconfig and correct dependency
- remove auto-detect mode of the GCOV format, which is now more nicely
handled in Kconfig
- test compiler capability for mprofile-kernel on PowerPC, and clean-up
Makefile
- misc cleanups
* tag 'kbuild-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
linux/linkage.h: replace VMLINUX_SYMBOL_STR() with __stringify()
kconfig: fix localmodconfig
sh: remove no-op macro VMLINUX_SYMBOL()
powerpc/kbuild: move -mprofile-kernel check to Kconfig
Documentation: kconfig: add recommended way to describe compiler support
gcc-plugins: disable GCC_PLUGIN_STRUCTLEAK_BYREF_ALL for COMPILE_TEST
gcc-plugins: allow to enable GCC_PLUGINS for COMPILE_TEST
gcc-plugins: test plugin support in Kconfig and clean up Makefile
gcc-plugins: move GCC version check for PowerPC to Kconfig
kcov: test compiler capability in Kconfig and correct dependency
gcov: remove CONFIG_GCOV_FORMAT_AUTODETECT
arm64: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig
kconfig: add CC_IS_CLANG and CLANG_VERSION
kconfig: add CC_IS_GCC and GCC_VERSION
stack-protector: test compiler capability in Kconfig and drop AUTO mode
kbuild: fix endless syncconfig in case arch Makefile sets CROSS_COMPILE
- Update the ACPICA code in the kernel to upstream revision
20180531 including:
* AML parser fix to continue loading tables after detecting an AML
error (Erik Schmauss).
* AML parser debug option to dump parse trees (Bob Moore).
* Debugger updates (Bob Moore).
* Initial bits of Unload () operator deprecation (Bob Moore).
* Updates related to the IORT table (Robin Murphy).
- Make Linux respond to the "Windows 2017.2" _OSI string which
allows native Thunderbolt enumeration to be used on Dell systems
and was unsafe before recent changes in the PCI subsystem (Mario
Limonciello).
- Update the ACPI method customization feature documentation (Erik
Schmauss).
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Merge tag 'acpi-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull additional ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20180531 including one important AML parser fix and updates related to
the IORT table, make the kernel recognize the "Windows 2017.2" _OSI
string and update the customized methods documentation.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20180531
including:
* AML parser fix to continue loading tables after detecting an AML
error (Erik Schmauss).
* AML parser debug option to dump parse trees (Bob Moore).
* Debugger updates (Bob Moore).
* Initial bits of Unload () operator deprecation (Bob Moore).
* Updates related to the IORT table (Robin Murphy).
- Make Linux respond to the "Windows 2017.2" _OSI string which
allows native Thunderbolt enumeration to be used on Dell systems
and was unsafe before recent changes in the PCI subsystem (Mario
Limonciello)
- Update the ACPI method customization feature documentation (Erik
Schmauss)"
* tag 'acpi-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Recognize the _OSI string "Windows 2017.2"
ACPICA: Update version to 20180531
ACPICA: Interpreter: Begin deprecation of Unload operator
ACPICA: AML parser: attempt to continue loading table after error
ACPICA: Debugger: Reduce verbosity for module-level code errors.
ACPICA: AML Parser: Add debug option to dump parse trees
ACPICA: Debugger: Add count of namespace nodes after namespace dump
ACPICA: IORT: Add PMCG node supprt
ACPICA: IORT: Update for revision D
ACPI / Documentation: update ACPI customize method feature docs
- Revert a recent PM core change that attempted to fix an issue
related to device links, but introduced a regression (Rafael
Wysocki).
- Fix build when the recently added cpufreq driver for Kryo
processors is selected by making it possible to build that
driver as a module (Arnd Bergmann).
- Fix the long idle detection mechanism in the out-of-band
(ondemand and conservative) cpufreq governors (Chen Yu).
- Add support for devices in multiple power domains to the
generic power domains (genpd) framework (Ulf Hansson).
- Add support for iowait boosting on systems with hardware-managed
P-states (HWP) enabled to the intel_pstate driver and make it use
that feature on systems with Skylake Xeon processors as it is
reported to improve performance significantly on those systems
(Srinivas Pandruvada).
- Fix and update the acpi_cpufreq, ti-cpufreq and imx6q cpufreq
drivers (Colin Ian King, Suman Anna, Sébastien Szymanski).
- Change the behavior of the wakeup_count device attribute in
sysfs to expose the number of events when the device might have
aborted system suspend in progress (Ravi Chandra Sadineni).
- Fix two minor issues in the cpupower utility (Abhishek Goel,
Colin Ian King).
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Merge tag 'pm-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These revert a recent PM core change that introduced a regression, fix
the build when the recently added Kryo cpufreq driver is selected, add
support for devices attached to multiple power domains to the generic
power domains (genpd) framework, add support for iowait boosting on
systens with hardware-managed P-states (HWP) enabled to the
intel_pstate driver, modify the behavior of the wakeup_count device
attribute in sysfs, fix a few issues and clean up some ugliness,
mostly in cpufreq (core and drivers) and in the cpupower utility.
Specifics:
- Revert a recent PM core change that attempted to fix an issue
related to device links, but introduced a regression (Rafael
Wysocki)
- Fix build when the recently added cpufreq driver for Kryo
processors is selected by making it possible to build that driver
as a module (Arnd Bergmann)
- Fix the long idle detection mechanism in the out-of-band (ondemand
and conservative) cpufreq governors (Chen Yu)
- Add support for devices in multiple power domains to the generic
power domains (genpd) framework (Ulf Hansson)
- Add support for iowait boosting on systems with hardware-managed
P-states (HWP) enabled to the intel_pstate driver and make it use
that feature on systems with Skylake Xeon processors as it is
reported to improve performance significantly on those systems
(Srinivas Pandruvada)
- Fix and update the acpi_cpufreq, ti-cpufreq and imx6q cpufreq
drivers (Colin Ian King, Suman Anna, Sébastien Szymanski)
- Change the behavior of the wakeup_count device attribute in sysfs
to expose the number of events when the device might have aborted
system suspend in progress (Ravi Chandra Sadineni)
- Fix two minor issues in the cpupower utility (Abhishek Goel, Colin
Ian King)"
* tag 'pm-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "PM / runtime: Fixup reference counting of device link suppliers at probe"
cpufreq: imx6q: check speed grades for i.MX6ULL
cpufreq: governors: Fix long idle detection logic in load calculation
cpufreq: intel_pstate: enable boost for Skylake Xeon
PM / wakeup: Export wakeup_count instead of event_count via sysfs
PM / Domains: Add dev_pm_domain_attach_by_id() to manage multi PM domains
PM / Domains: Add support for multi PM domains per device to genpd
PM / Domains: Split genpd_dev_pm_attach()
PM / Domains: Don't attach devices in genpd with multi PM domains
PM / Domains: dt: Allow power-domain property to be a list of specifiers
cpufreq: intel_pstate: New sysfs entry to control HWP boost
cpufreq: intel_pstate: HWP boost performance on IO wakeup
cpufreq: intel_pstate: Add HWP boost utility and sched util hooks
cpufreq: ti-cpufreq: Use devres managed API in probe()
cpufreq: ti-cpufreq: Fix an incorrect error return value
cpufreq: ACPI: make function acpi_cpufreq_fast_switch() static
cpufreq: kryo: allow building as a loadable module
cpupower : Fix header name to read idle state name
cpupower: fix spelling mistake: "logilename" -> "logfilename"
Additional updates of the generic power domains (genpd) framework
(support for devices attached to multiple domains) and the cpupower
utility (minor fixes) for 4.18-rc1.
* pm-domains:
PM / Domains: Add dev_pm_domain_attach_by_id() to manage multi PM domains
PM / Domains: Add support for multi PM domains per device to genpd
PM / Domains: Split genpd_dev_pm_attach()
PM / Domains: Don't attach devices in genpd with multi PM domains
PM / Domains: dt: Allow power-domain property to be a list of specifiers
* pm-tools:
cpupower : Fix header name to read idle state name
cpupower: fix spelling mistake: "logilename" -> "logfilename"
- Additional struct_size() conversions (Matthew, Kees)
- Explicitly reported overflow fixes (Silvio, Kees)
- Add missing kvcalloc() function (Kees)
- Treewide conversions of allocators to use either 2-factor argument
variant when available, or array_size() and array3_size() as needed (Kees)
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Merge tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull more overflow updates from Kees Cook:
"The rest of the overflow changes for v4.18-rc1.
This includes the explicit overflow fixes from Silvio, further
struct_size() conversions from Matthew, and a bug fix from Dan.
But the bulk of it is the treewide conversions to use either the
2-factor argument allocators (e.g. kmalloc(a * b, ...) into
kmalloc_array(a, b, ...) or the array_size() macros (e.g. vmalloc(a *
b) into vmalloc(array_size(a, b)).
Coccinelle was fighting me on several fronts, so I've done a bunch of
manual whitespace updates in the patches as well.
Summary:
- Error path bug fix for overflow tests (Dan)
- Additional struct_size() conversions (Matthew, Kees)
- Explicitly reported overflow fixes (Silvio, Kees)
- Add missing kvcalloc() function (Kees)
- Treewide conversions of allocators to use either 2-factor argument
variant when available, or array_size() and array3_size() as needed
(Kees)"
* tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (26 commits)
treewide: Use array_size in f2fs_kvzalloc()
treewide: Use array_size() in f2fs_kzalloc()
treewide: Use array_size() in f2fs_kmalloc()
treewide: Use array_size() in sock_kmalloc()
treewide: Use array_size() in kvzalloc_node()
treewide: Use array_size() in vzalloc_node()
treewide: Use array_size() in vzalloc()
treewide: Use array_size() in vmalloc()
treewide: devm_kzalloc() -> devm_kcalloc()
treewide: devm_kmalloc() -> devm_kmalloc_array()
treewide: kvzalloc() -> kvcalloc()
treewide: kvmalloc() -> kvmalloc_array()
treewide: kzalloc_node() -> kcalloc_node()
treewide: kzalloc() -> kcalloc()
treewide: kmalloc() -> kmalloc_array()
mm: Introduce kvcalloc()
video: uvesafb: Fix integer overflow in allocation
UBIFS: Fix potential integer overflow in allocation
leds: Use struct_size() in allocation
Convert intel uncore to struct_size
...
The kv*alloc()-family was missing kvcalloc(). Adding this allows for
2-argument multiplication conversions of kvzalloc(a * b, ...) into
kvcalloc(a, b, ...).
Signed-off-by: Kees Cook <keescook@chromium.org>
The flows were hidden from the C compiler; expose them as a zero-length
array to allow struct_size to work.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
There are in-tree users of refcount_dec_and_lock() which must acquire the
spin lock with interrupts disabled. To workaround the lack of an irqsave
variant of refcount_dec_and_lock() they use local_irq_save() at the call
site. This causes extra code and creates in some places unneeded long
interrupt disabled times. These places need also extra treatment for
PREEMPT_RT due to the disconnect of the irq disabling and the lock
function.
Implement the missing irqsave variant of the function.
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r20180612161621.22645-4-bigeasy@linutronix.de
[bigeasy: s@atomic_dec_and_lock@refcount_dec_and_lock@g]
There are in-tree users of atomic_dec_and_lock() which must acquire the
spin lock with interrupts disabled. To workaround the lack of an irqsave
variant of atomic_dec_and_lock() they use local_irq_save() at the call
site. This causes extra code and creates in some places unneeded long
interrupt disabled times. These places need also extra treatment for
PREEMPT_RT due to the disconnect of the irq disabling and the lock
function.
Implement the missing irqsave variant of the function.
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r20180612161621.22645-3-bigeasy@linutronix.de
* ARM: lazy context-switching of FPSIMD registers on arm64, "split"
regions for vGIC redistributor
* s390: cleanups for nested, clock handling, crypto, storage keys and
control register bits
* x86: many bugfixes, implement more Hyper-V super powers,
implement lapic_timer_advance_ns even when the LAPIC timer
is emulated using the processor's VMX preemption timer. Two
security-related bugfixes at the top of the branch.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"Small update for KVM:
ARM:
- lazy context-switching of FPSIMD registers on arm64
- "split" regions for vGIC redistributor
s390:
- cleanups for nested
- clock handling
- crypto
- storage keys
- control register bits
x86:
- many bugfixes
- implement more Hyper-V super powers
- implement lapic_timer_advance_ns even when the LAPIC timer is
emulated using the processor's VMX preemption timer.
- two security-related bugfixes at the top of the branch"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (79 commits)
kvm: fix typo in flag name
kvm: x86: use correct privilege level for sgdt/sidt/fxsave/fxrstor access
KVM: x86: pass kvm_vcpu to kvm_read_guest_virt and kvm_write_guest_virt_system
KVM: x86: introduce linear_{read,write}_system
kvm: nVMX: Enforce cpl=0 for VMX instructions
kvm: nVMX: Add support for "VMWRITE to any supported field"
kvm: nVMX: Restrict VMX capability MSR changes
KVM: VMX: Optimize tscdeadline timer latency
KVM: docs: nVMX: Remove known limitations as they do not exist now
KVM: docs: mmu: KVM support exposing SLAT to guests
kvm: no need to check return value of debugfs_create functions
kvm: Make VM ioctl do valloc for some archs
kvm: Change return type to vm_fault_t
KVM: docs: mmu: Fix link to NPT presentation from KVM Forum 2008
kvm: x86: Amend the KVM_GET_SUPPORTED_CPUID API documentation
KVM: x86: hyperv: declare KVM_CAP_HYPERV_TLBFLUSH capability
KVM: x86: hyperv: simplistic HVCALL_FLUSH_VIRTUAL_ADDRESS_{LIST,SPACE}_EX implementation
KVM: x86: hyperv: simplistic HVCALL_FLUSH_VIRTUAL_ADDRESS_{LIST,SPACE} implementation
KVM: introduce kvm_make_vcpus_request_mask() API
KVM: x86: hyperv: do rep check for each hypercall separately
...
Currently, we use check_hlist() for garbage colleciton. However, we
use the ‘zone’ from the counted entry to query the existence of
existing entries in the hlist. This could be wrong when they are in
different zones, and this patch fixes this issue.
Fixes: e59ea3df3f ("netfilter: xt_connlimit: honor conntrack zone if available")
Signed-off-by: Yi-Hung Wei <yihung.wei@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
NFT_SET_EVAL is signalling the kernel that this sets can be updated from
the evaluation path, even if there are no expressions attached to the
element. Otherwise, set updates with no expressions fail. Update
description to describe the right semantics.
Fixes: 22fe54d5fe ("netfilter: nf_tables: add support for dynamic set updates")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Highlights include:
Stable fixes:
- Fix a 1-byte stack overflow in nfs_idmap_read_and_verify_message
- Fix a hang due to incorrect error returns in rpcrdma_convert_iovs()
- Revert an incorrect change to the NFSv4.1 callback channel
- Fix a bug in the NFSv4.1 sequence error handling
Features and optimisations:
- Support for piggybacking a LAYOUTGET operation to the OPEN compound
- RDMA performance enhancements to deal with transport congestion
- Add proper SPDX tags for NetApp-contributed RDMA source
- Do not request delegated file attributes (size+change) from the server
- Optimise away a GETATTR in the lookup revalidate code when doing NFSv4 OPEN
- Optimise away unnecessary lookups for rename targets
- Misc performance improvements when freeing NFSv4 delegations
Bugfixes and cleanups:
- Try to fail quickly if proto=rdma
- Clean up RDMA receive trace points
- Fix sillyrename to return the delegation when appropriate
- Misc attribute revalidation fixes
- Immediately clear the pNFS layout on a file when the server returns ESTALE
- Return NFS4ERR_DELAY when delegation/layout recalls fail due to igrab()
- Fix the client behaviour on NFS4ERR_SEQ_FALSE_RETRY
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Merge tag 'nfs-for-4.18-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
Stable fixes:
- Fix a 1-byte stack overflow in nfs_idmap_read_and_verify_message
- Fix a hang due to incorrect error returns in rpcrdma_convert_iovs()
- Revert an incorrect change to the NFSv4.1 callback channel
- Fix a bug in the NFSv4.1 sequence error handling
Features and optimisations:
- Support for piggybacking a LAYOUTGET operation to the OPEN compound
- RDMA performance enhancements to deal with transport congestion
- Add proper SPDX tags for NetApp-contributed RDMA source
- Do not request delegated file attributes (size+change) from the
server
- Optimise away a GETATTR in the lookup revalidate code when doing
NFSv4 OPEN
- Optimise away unnecessary lookups for rename targets
- Misc performance improvements when freeing NFSv4 delegations
Bugfixes and cleanups:
- Try to fail quickly if proto=rdma
- Clean up RDMA receive trace points
- Fix sillyrename to return the delegation when appropriate
- Misc attribute revalidation fixes
- Immediately clear the pNFS layout on a file when the server returns
ESTALE
- Return NFS4ERR_DELAY when delegation/layout recalls fail due to
igrab()
- Fix the client behaviour on NFS4ERR_SEQ_FALSE_RETRY"
* tag 'nfs-for-4.18-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (80 commits)
skip LAYOUTRETURN if layout is invalid
NFSv4.1: Fix the client behaviour on NFS4ERR_SEQ_FALSE_RETRY
NFSv4: Fix a typo in nfs41_sequence_process
NFSv4: Revert commit 5f83d86cf5 ("NFSv4.x: Fix wraparound issues..")
NFSv4: Return NFS4ERR_DELAY when a layout recall fails due to igrab()
NFSv4: Return NFS4ERR_DELAY when a delegation recall fails due to igrab()
NFSv4.0: Remove transport protocol name from non-UCS client ID
NFSv4.0: Remove cl_ipaddr from non-UCS client ID
NFSv4: Fix a compiler warning when CONFIG_NFS_V4_1 is undefined
NFS: Filter cache invalidation when holding a delegation
NFS: Ignore NFS_INO_REVAL_FORCED in nfs_check_inode_attributes()
NFS: Improve caching while holding a delegation
NFS: Fix attribute revalidation
NFS: fix up nfs_setattr_update_inode
NFSv4: Ensure the inode is clean when we set a delegation
NFSv4: Ignore NFS_INO_REVAL_FORCED in nfs4_proc_access
NFSv4: Don't ask for delegated attributes when adding a hard link
NFSv4: Don't ask for delegated attributes when revalidating the inode
NFS: Pass the inode down to the getattr() callback
NFSv4: Don't request size+change attribute if they are delegated to us
...
from Chuck Lever with new trace points, miscellaneous cleanups, and
streamlining of the send and receive paths. Other than that, some
miscellaneous bugfixes.
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Merge tag 'nfsd-4.18' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"A relatively quiet cycle for nfsd.
The largest piece is an RDMA update from Chuck Lever with new trace
points, miscellaneous cleanups, and streamlining of the send and
receive paths.
Other than that, some miscellaneous bugfixes"
* tag 'nfsd-4.18' of git://linux-nfs.org/~bfields/linux: (26 commits)
nfsd: fix error handling in nfs4_set_delegation()
nfsd: fix potential use-after-free in nfsd4_decode_getdeviceinfo
Fix 16-byte memory leak in gssp_accept_sec_context_upcall
svcrdma: Fix incorrect return value/type in svc_rdma_post_recvs
svcrdma: Remove unused svc_rdma_op_ctxt
svcrdma: Persistently allocate and DMA-map Send buffers
svcrdma: Simplify svc_rdma_send()
svcrdma: Remove post_send_wr
svcrdma: Don't overrun the SGE array in svc_rdma_send_ctxt
svcrdma: Introduce svc_rdma_send_ctxt
svcrdma: Clean up Send SGE accounting
svcrdma: Refactor svc_rdma_dma_map_buf
svcrdma: Allocate recv_ctxt's on CPU handling Receives
svcrdma: Persistently allocate and DMA-map Receive buffers
svcrdma: Preserve Receive buffer until svc_rdma_sendto
svcrdma: Simplify svc_rdma_recv_ctxt_put
svcrdma: Remove sc_rq_depth
svcrdma: Introduce svc_rdma_recv_ctxt
svcrdma: Trace key RDMA API events
svcrdma: Trace key RPC/RDMA protocol events
...
With the special case handling for Blackfin and Metag was removed by
commit 94e58e0ac3 ("export.h: remove code for prefixing symbols with
underscore"), VMLINUX_SYMBOL_STR() is now equivalent to __stringify().
Replace the remaining usages in <linux/linkage.h> to prepare for the
entire removal of VMLINUX_SYMBOL_STR().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
KVM_X86_DISABLE_EXITS_HTL really refers to exit on halt.
Obviously a typo: should be named KVM_X86_DISABLE_EXITS_HLT.
Fixes: caa057a2ca ("KVM: X86: Provide a capability to disable HLT intercepts")
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Revert commit 1e83786198 (PM / runtime: Fixup reference counting of
device link suppliers at probe), as it has introduced a regression
and the condition it was designed to address should be covered by the
existing code.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The existing comments for transport features are outdated.
So update them to address the latest changes in the spec.
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
There is a new feature bit allocated in virtio spec to
support SR-IOV (Single Root I/O Virtualization):
https://github.com/oasis-tcs/virtio-spec/issues/11
This patch enables the support for this feature bit in
virtio driver.
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This is a branch with a few merge requests that either came in late, or
took a while longer for us to review and merge than usual and thus cut
it a bit close to the merge window. We stage them in a separate branch
and if things look good, we still send them up -- and that's the case
here.
This is mostly DT additions for Renesas platforms, adding IP block
descriptions for existing and new SoCs.
There are also some driver updates for Qualcomm platforms for SMEM/QMI
and GENI, which is their generalized serial protocol interface.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late updates from Olof Johansson:
"This is a branch with a few merge requests that either came in late,
or took a while longer for us to review and merge than usual and thus
cut it a bit close to the merge window. We stage them in a separate
branch and if things look good, we still send them up -- and that's
the case here.
This is mostly DT additions for Renesas platforms, adding IP block
descriptions for existing and new SoCs.
There are also some driver updates for Qualcomm platforms for SMEM/QMI
and GENI, which is their generalized serial protocol interface"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (186 commits)
soc: qcom: smem: introduce qcom_smem_virt_to_phys()
soc: qcom: qmi: fix a buffer sizing bug
MAINTAINERS: Update pattern for qcom_scm
soc: Unconditionally include qcom Makefile
soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
soc: qcom: smem: fix qcom_smem_set_global_partition()
soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
soc: qcom: smem: byte swap values properly
soc: qcom: smem: return proper type for cached entry functions
soc: qcom: smem: fix first cache entry calculation
soc: qcom: cmd-db: Make endian-agnostic
drivers: qcom: add command DB driver
arm64: dts: renesas: salvator-common: Add ADV7482 support
ARM: dts: r8a7740: Add CEU1
ARM: dts: r8a7740: Add CEU0
arm64: dts: renesas: salvator-common: enable VIN
arm64: dts: renesas: r8a77970: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a77965: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a7796: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a7795-es1: add CSI-2 node
...
This branch contains platform-related driver updates for ARM and ARM64.
Highlights:
- ARM SCMI (System Control & Management Interface) driver cleanups
- Hisilicon support for LPC bus w/ ACPI
- Reset driver updates for several platforms: Uniphier,
- Rockchip power domain bindings and hardware descriptions for several SoCs.
- Tegra memory controller reset improvements
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"This contains platform-related driver updates for ARM and ARM64.
Highlights:
- ARM SCMI (System Control & Management Interface) driver cleanups
- Hisilicon support for LPC bus w/ ACPI
- Reset driver updates for several platforms: Uniphier,
- Rockchip power domain bindings and hardware descriptions for
several SoCs.
- Tegra memory controller reset improvements"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (59 commits)
ARM: tegra: fix compile-testing PCI host driver
soc: rockchip: power-domain: add power domain support for px30
dt-bindings: power: add binding for px30 power domains
dt-bindings: power: add PX30 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3228
dt-bindings: power: add binding for rk3228 power domains
dt-bindings: power: add RK3228 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3128
dt-bindings: power: add binding for rk3128 power domains
dt-bindings: power: add RK3128 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3036
dt-bindings: power: add binding for rk3036 power domains
dt-bindings: power: add RK3036 SoCs header for power-domain
dt-bindings: memory: tegra: Remove Tegra114 SATA and AFI reset definitions
memory: tegra: Remove Tegra114 SATA and AFI reset definitions
memory: tegra: Register SMMU after MC driver became ready
soc: mediatek: remove unneeded semicolon
soc: mediatek: add a fixed wait for SRAM stable
soc: mediatek: introduce a CAPS flag for scp_domain_data
soc: mediatek: reuse regmap_read_poll_timeout helpers
...
Here are the main updates for SoC support (besides DT additions) for ARM
32- and 64-bit platforms. The branch also contains defconfig updates to
turn on drivers and options as needed on the various platforms.
The largest parts of the delta are from cleanups moving platform data
and board file setup of TI platforms to ti-sysc bus drivers. There are
also some sweeping changes of eeprom and nand setup on Davinci, i.MX
and other platforms.
Samsung is removing support for Exynos5440, which was an oddball SoC
that hasn't been seen much use in designs.
Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).
Linus Walleij is also removing support for ux500 (Sony Ericsson)
U8540/9540 SoCs that never made it to significant mass production and
products.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Here are the main updates for SoC support (besides DT additions) for
ARM 32- and 64-bit platforms. The branch also contains defconfig
updates to turn on drivers and options as needed on the various
platforms.
The largest parts of the delta are from cleanups moving platform data
and board file setup of TI platforms to ti-sysc bus drivers. There are
also some sweeping changes of eeprom and nand setup on Davinci, i.MX
and other platforms.
Samsung is removing support for Exynos5440, which was an oddball SoC
that hasn't been seen much use in designs.
Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).
Linus Walleij is also removing support for ux500 (Sony Ericsson)
U8540/9540 SoCs that never made it to significant mass production and
products"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
MAINTAINERS: add NXP linux team maillist as i.MX reviewer
ARM: stm32: Don't select DMA unconditionally on STM32MP157C
arm64: defconfig: Enable PCIe on msm8996 and db820c
ARM: pxa3xx: enable external wakeup pins
ARM: pxa: stargate2: use device properties for at24 eeprom
arm64: defconfig: Enable HISILICON_LPC
arm64: defconfig: enable drivers for Poplar support
arm64: defconfig: Enable UFS on msm8996
ARM: berlin: switch to SPDX license identifier
arm: berlin: remove non-necessary flush_cache_all()
ARM: berlin: extend BG2CD Kconfig entry
OMAP: CLK: CLKSRC: Add suspend resume hooks
ARM: AM43XX: Add functions to save/restore am43xx control registers
ASoC: ams_delta: use GPIO lookup table
ARM: OMAP1: ams-delta: add GPIO lookup tables
bus: ti-sysc: Fix optional clocks array access
ARM: OMAP2+: Make sure LOGICRETSTATE bits are not cleared
ARM: OMAP2+: prm44xx: Inroduce cpu_pm notifiers for context save/restore
ARM: OMAP2+: prm44xx: Introduce context save/restore for am43 PRCM IO
ARM: OMAP2+: powerdomain: Introduce cpu_pm notifiers for context save/restore
...
While hacking on kTLS, I ran into the following panic from an
unprivileged netserver / netperf TCP session:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 800000037f378067 P4D 800000037f378067 PUD 3c0e61067 PMD 0
Oops: 0010 [#1] SMP KASAN PTI
CPU: 1 PID: 2289 Comm: netserver Not tainted 4.17.0+ #139
Hardware name: LENOVO 20FBCTO1WW/20FBCTO1WW, BIOS N1FET47W (1.21 ) 11/28/2016
RIP: 0010: (null)
Code: Bad RIP value.
RSP: 0018:ffff88036abcf740 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88036f5f6800 RCX: 1ffff1006debed26
RDX: ffff88036abcf920 RSI: ffff8803cb1a4f00 RDI: ffff8803c258c280
RBP: ffff8803c258c280 R08: ffff8803c258c280 R09: ffffed006f559d48
R10: ffff88037aacea43 R11: ffffed006f559d49 R12: ffff8803c258c280
R13: ffff8803cb1a4f20 R14: 00000000000000db R15: ffffffffc168a350
FS: 00007f7e631f4700(0000) GS:ffff8803d1c80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000003ccf64005 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
? tls_sw_poll+0xa4/0x160 [tls]
? sock_poll+0x20a/0x680
? do_select+0x77b/0x11a0
? poll_schedule_timeout.constprop.12+0x130/0x130
? pick_link+0xb00/0xb00
? read_word_at_a_time+0x13/0x20
? vfs_poll+0x270/0x270
? deref_stack_reg+0xad/0xe0
? __read_once_size_nocheck.constprop.6+0x10/0x10
[...]
Debugging further, it turns out that calling into ctx->sk_poll() is
invalid since sk_poll itself is NULL which was saved from the original
TCP socket in order for tls_sw_poll() to invoke it.
Looks like the recent conversion from poll to poll_mask callback started
in 1525242310 ("net: add support for ->poll_mask in proto_ops") missed
to eventually convert kTLS, too: TCP's ->poll was converted over to the
->poll_mask in commit 2c7d3daceb ("net/tcp: convert to ->poll_mask")
and therefore kTLS wrongly saved the ->poll old one which is now NULL.
Convert kTLS over to use ->poll_mask instead. Also instead of POLLIN |
POLLRDNORM use the proper EPOLLIN | EPOLLRDNORM bits as the case in
tcp_poll_mask() as well that is mangled here.
Fixes: 2c7d3daceb ("net/tcp: convert to ->poll_mask")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Watson <davejwatson@fb.com>
Tested-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree:
1) Reject non-null terminated helper names from xt_CT, from Gao Feng.
2) Fix KASAN splat due to out-of-bound access from commit phase, from
Alexey Kodanev.
3) Missing conntrack hook registration on IPVS FTP helper, from Julian
Anastasov.
4) Incorrect skbuff allocation size in bridge nft_reject, from Taehee Yoo.
5) Fix inverted check on packet xmit to non-local addresses, also from
Julian.
6) Fix ebtables alignment compat problems, from Alin Nastac.
7) Hook mask checks are not correct in xt_set, from Serhey Popovych.
8) Fix timeout listing of element in ipsets, from Jozsef.
9) Cap maximum timeout value in ipset, also from Jozsef.
10) Don't allow family option for hash:mac sets, from Florent Fourcot.
11) Restrict ebtables to work with NFPROTO_BRIDGE targets only, this
Florian.
12) Another bug reported by KASAN in the rbtree set backend, from
Taehee Yoo.
13) Missing __IPS_MAX_BIT update doesn't include IPS_OFFLOAD_BIT.
From Gao Feng.
14) Missing initialization of match/target in ebtables, from Florian
Westphal.
15) Remove useless nft_dup.h file in include path, from C. Labbe.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This migrates rpmsg to use SPDX license headers and fixes a
use-after-free in SMD.
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Merge tag 'rpmsg-v4.18' of git://github.com/andersson/remoteproc
Pull rpmsg updates from Bjorn Andersson:
"This migrates rpmsg to use SPDX license headers and fixes a
use-after-free in SMD"
* tag 'rpmsg-v4.18' of git://github.com/andersson/remoteproc:
rpmsg: smd: do not use mananged resources for endpoints and channels
rpmsg: char: Switch to SPDX license identifier
rpmsg: glink: Switch to SPDX license identifier
rpmsg: smd: Switch to SPDX license identifier
rpmsg: virtio_rpmsg_bus: Switch to SPDX license identifier
rpmsg: Switch to SPDX license identifier
rpmsg: qcom_smd: Access APCS through mailbox framework
rpmsg: Add driver_override device attribute for rpmsg_device
This brings a few minor fixes to the Davinci driver, drops a orphan
include file from the StE cleanup done ealier and introduces support for
booting the modem on Qualcomm's SDM845 platform.
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Merge tag 'rproc-v4.18' of git://github.com/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This brings a few minor fixes to the Davinci driver, drops a orphan
include file from the StE cleanup done ealier and introduces support
for booting the modem on Qualcomm's SDM845 platform"
* tag 'rproc-v4.18' of git://github.com/andersson/remoteproc:
remoteproc: q6v5: Allow defining GLINK edge for mss remoteproc
remoteproc: q6v5: Add support for mss remoteproc on SDM845
remoteproc: q6v5: Introduce reset assert/deassert helper functions
dt-bindings: remoteproc: Add Q6v5 Modem PIL binding for SDM845
remoteproc: q6v5: Move proxy unvote to handover irq handler
remoteproc: q6v5: Return irq from q6v5_request_irq()
remoteproc/ste: remove abandoned include file
remoteproc/davinci: use octal permissions for module_param()
remoteproc/davinci: prepare and unprepare the clock where needed
remoteproc/davinci: add the missing retval check for clk_enable()
remoteproc: Remove depends on HAS_DMA in case of platform dependency
remoteproc: Prevent incorrect rproc state on xfer mem ownership failure
In addition to migrating the files to use SPDX license headers this
introduces the ability for clients to operate a hwlock without the
framework taking any additional locks.
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Merge tag 'hwlock-v4.18' of git://github.com/andersson/remoteproc
Pull hwspinlock updates from Bjorn Andersson:
"In addition to migrating the files to use SPDX license headers this
introduces the ability for clients to operate a hwlock without the
framework taking any additional locks"
* tag 'hwlock-v4.18' of git://github.com/andersson/remoteproc:
hwspinlock/u8500: Switch to SPDX license identifier
hwspinlock: sprd: Switch to SPDX license identifier
hwspinlock/sirf: Switch to SPDX license identifier
hwspinlock: qcom: Switch to SPDX license identifier
hwspinlock/omap: Switch to SPDX license identifier
hwspinlock/core: Switch to SPDX license identifier
hwspinlock: Introduce one new mode for hwspinlock
hwspinlock: Convert to use 'switch' statement
In this round, we've mainly focused on discard, aka unmap, control along with
fstrim for Android-specific usage model. In addition, we've fixed writepage flow
which returned EAGAIN previously resulting in EIO of fsync(2) due to mapping's
error state. In order to avoid old MM bug [1], we decided not to use __GFP_ZERO
for the mapping for node and meta page caches. As always, we've cleaned up many
places for future fsverity and symbol conflicts.
Enhancement:
- do discard/fstrim in lower priority considering fs utilization
- split large discard commands into smaller ones for better responsiveness
- add more sanity checks to address syzbot reports
- add a mount option, fsync_mode=nobarrier, which can reduce # of cache flushes
- clean up symbol namespace with modified function names
- be strict on block allocation and IO control in corner cases
Bug fix:
- don't use __GFP_ZERO for mappings
- fix error reports in writepage to avoid fsync() failure
- avoid selinux denial on CAP_RESOURCE on resgid/resuid
- fix some subtle race conditions in GC/atomic writes/shutdown
- fix overflow bugs in sanity_check_raw_super
- fix missing bits on get_flags
Clean-up:
- prepare the generic flow for future fsverity integration
- fix some broken coding standard
[1] https://lkml.org/lkml/2018/4/8/661
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Merge tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've mainly focused on discard, aka unmap, control
along with fstrim for Android-specific usage model. In addition, we've
fixed writepage flow which returned EAGAIN previously resulting in EIO
of fsync(2) due to mapping's error state. In order to avoid old MM bug
[1], we decided not to use __GFP_ZERO for the mapping for node and
meta page caches. As always, we've cleaned up many places for future
fsverity and symbol conflicts.
Enhancements:
- do discard/fstrim in lower priority considering fs utilization
- split large discard commands into smaller ones for better responsiveness
- add more sanity checks to address syzbot reports
- add a mount option, fsync_mode=nobarrier, which can reduce # of cache flushes
- clean up symbol namespace with modified function names
- be strict on block allocation and IO control in corner cases
Bug fixes:
- don't use __GFP_ZERO for mappings
- fix error reports in writepage to avoid fsync() failure
- avoid selinux denial on CAP_RESOURCE on resgid/resuid
- fix some subtle race conditions in GC/atomic writes/shutdown
- fix overflow bugs in sanity_check_raw_super
- fix missing bits on get_flags
Clean-ups:
- prepare the generic flow for future fsverity integration
- fix some broken coding standard"
[1] https://lkml.org/lkml/2018/4/8/661
* tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (79 commits)
f2fs: fix to clear FI_VOLATILE_FILE correctly
f2fs: let sync node IO interrupt async one
f2fs: don't change wbc->sync_mode
f2fs: fix to update mtime correctly
fs: f2fs: insert space around that ':' and ', '
fs: f2fs: add missing blank lines after declarations
fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
f2fs: clean up symbol namespace
f2fs: make set_de_type() static
f2fs: make __f2fs_write_data_pages() static
f2fs: fix to avoid accessing cross the boundary
f2fs: fix to let caller retry allocating block address
disable loading f2fs module on PAGE_SIZE > 4KB
f2fs: fix error path of move_data_page
f2fs: don't drop dentry pages after fs shutdown
f2fs: fix to avoid race during access gc_thread pointer
f2fs: clean up with clear_radix_tree_dirty_tag
f2fs: fix to don't trigger writeback during recovery
f2fs: clear discard_wake earlier
f2fs: let discard thread wait a little longer if dev is busy
...
- Provide helpers to enable/disable backlight
- Provide standard and devres versions OF find helpers
- New Drivers
- Add support for the Zodiac Inflight Innovations RAVE Supervisory Processor
- New Functionality
- Allow pwm-on/pwm-off delay to be specified via DT
- Bug Fixes
- Fix ordering of the power {en,dis}able and PWM {en,dis}able signals
- Fix Device Tree node look-up
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Merge tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Core Frameworks
- Provide helpers to enable/disable backlight
- Provide standard and devres versions OF find helpers
New Drivers:
- Add support for the Zodiac Inflight Innovations RAVE Supervisory
Processor
New Functionality:
- Allow pwm-on/pwm-off delay to be specified via DT
Bug Fixes:
- Fix ordering of the power {en,dis}able and PWM {en,dis}able
signals
- Fix Device Tree node look-up"
* tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: as3711_bl: Fix Device Tree node leaks
backlight: tps65217_bl: Fix Device Tree node lookup
backlight: max8925_bl: Fix Device Tree node lookup
backlight: as3711_bl: Fix Device Tree node lookup
MAINTAINERS: Add dri-devel for backlight subsystem patches
backlight: Nuke BL_CORE_DRIVER1
staging: fbtft: Stop using BL_CORE_DRIVER1
backlight: pandora: Stop using BL_CORE_DRIVER1
backlight: generic-bl: Remove DRIVER1 state
backlight: Nuke unused backlight.props.state states
backlight: otm3225a: Add support for ORISE OTM3225A LCD SoC
backlight: pwm_bl: Don't use GPIOF_* with gpiod_get_direction
pwm-backlight: Add support for PWM delays proprieties.
dt-bindings: pwm-backlight: Add PWM delay proprieties.
pwm-backlight: Enable/disable the PWM before/after LCD enable toggle.
dt-bindings: backlight: Add binding for RAVE SP backlight driver
backlight: Add RAVE SP backlight driver
Two framebuffer device-node names were looked up during probe, but were
only used as flags to indicate the presence of two framebuffer device.
Drop the unused framebuffer name along with a likewise unused device
pointer from the driver data, and update the platform data to pass in
booleans instead of the framebuffer strings. This allows us do drop the
node references acquired during probe, which would otherwise leak.
Note that there are no other in-kernel users of the modified
platform-data fields.
Fixes: 59eb2b5e57 ("drivers/video/backlight/as3711_bl.c: add OF support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Pull networking fixes from David Miller:
1) Fix several bpfilter/UMH bugs, in particular make the UMH build not
depend upon X86 specific Kconfig symbols. From Alexei Starovoitov.
2) Fix handling of modified context pointer in bpf verifier, from
Daniel Borkmann.
3) Kill regression in ifdown/ifup sequences for hv_netvsc driver, from
Dexuan Cui.
4) When the bonding primary member name changes, we have to re-evaluate
the bond->force_primary setting, from Xiangning Yu.
5) Eliminate possible padding beyone end of SKB in cdc_ncm driver, from
Bjørn Mork.
6) RX queue length reported for UDP sockets in procfs and socket diag
are inaccurate, from Paolo Abeni.
7) Fix br_fdb_find_port() locking, from Petr Machata.
8) Limit sk_rcvlowat values properly in TCP, from Soheil Hassas
Yeganeh.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (23 commits)
tcp: limit sk_rcvlowat by the maximum receive buffer
net: phy: dp83822: use BMCR_ANENABLE instead of BMSR_ANEGCAPABLE for DP83620
socket: close race condition between sock_close() and sockfs_setattr()
net: bridge: Fix locking in br_fdb_find_port()
udp: fix rx queue len reported by diag and proc interface
cdc_ncm: avoid padding beyond end of skb
net/sched: act_simple: fix parsing of TCA_DEF_DATA
net: fddi: fix a possible null-ptr-deref
net: aquantia: fix unsigned numvecs comparison with less than zero
net: stmmac: fix build failure due to missing COMMON_CLK dependency
bpfilter: fix race in pipe access
bpf, xdp: fix crash in xdp_umem_unaccount_pages
xsk: Fix umem fill/completion queue mmap on 32-bit
tools/bpf: fix selftest get_cgroup_id_user
bpfilter: fix OUTPUT_FORMAT
umh: fix race condition
net: mscc: ocelot: Fix uninitialized error in ocelot_netdevice_event()
bonding: re-evaluate force_primary when the primary slave name changes
ip_tunnel: Fix name string concatenate in __ip_tunnel_create()
hv_netvsc: Fix a network regression after ifdown/ifup
...
Subsystem:
- rework of the rtc-test driver which allows to test the core more thoroughly
- rtc_set_alarm() now fails early when alarms are not supported
Drivers:
- mktime is now replaced by mktime64
- RTC range added for 88pm80x, ab-b5ze-s3, at91rm9200, brcmstb-waketimer,
ds1685, ftrtc010, ls1x, mxc_v2, rx8581, sprd, st-lpc, tps6586x, tps65910 and
vr41xx
- Fixed a possible race condition in probe functions
- pxa: fix the probe function that is broken since v4.3
- stm32: now supports stm32mp1
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Merge tag 'rtc-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Setting the supported range from drivers for RTCs failing soon has
started. A few fixes are developed along the way. Some drivers have
been switched to SPDX by their maintainers.
Subsystem:
- rework of the rtc-test driver which allows to test the core more
thoroughly
- rtc_set_alarm() now fails early when alarms are not supported
Drivers:
- mktime() is now replaced by mktime64()
- RTC range added for 88pm80x, ab-b5ze-s3, at91rm9200,
brcmstb-waketimer, ds1685, ftrtc010, ls1x, mxc_v2, rx8581, sprd,
st-lpc, tps6586x, tps65910 and vr41xx
- fixed a possible race condition in probe functions
- pxa: fix the probe function that is broken since v4.3
- stm32: now supports stm32mp1"
* tag 'rtc-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (78 commits)
rtc: pxa: fix probe function
rtc: cros-ec: Switch to SPDX identifier.
rtc: cros-ec: Make license text and module license match.
rtc: ensure rtc_set_alarm fails when alarms are not supported
rtc: test: remove alarm support from the first device
rtc: test: convert to devm_rtc_allocate_device
rtc: ftrtc010: let the core handle range
rtc: ftrtc010: handle dates after 2106
rtc: ftrtc010: switch to devm_rtc_allocate_device
rtc: mrst: switch to devm functions
rtc: sunxi: fix possible race condition
rtc: test: remove irq sysfs file
rtc: test: emulate alarms using timers
rtc: test: store time as an offset to system time
rtc: test: allow registering many devices
rtc: test: remove useless proc info
rtc: ds1685: Add range
rtc: ds1685: fix possible race condition
rtc: sprd: Add new RTC power down check method
rtc: sun6i: Fix bit_idx value for clk_register_gate
...
This is mostly updates to the usual drivers: ufs, qedf, mpt3sas, lpfc,
xfcp, hisi_sas, cxlflash, qla2xxx. In the absence of Nic, we're also
taking target updates which are mostly minor except for the tcmu
refactor. The only real core change to worry about is the removal of
high page bouncing (in sas, storvsc and iscsi). This has been well
tested and no problems have shown up so far.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly updates to the usual drivers: ufs, qedf, mpt3sas, lpfc,
xfcp, hisi_sas, cxlflash, qla2xxx.
In the absence of Nic, we're also taking target updates which are
mostly minor except for the tcmu refactor.
The only real core change to worry about is the removal of high page
bouncing (in sas, storvsc and iscsi). This has been well tested and no
problems have shown up so far"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (268 commits)
scsi: lpfc: update driver version to 12.0.0.4
scsi: lpfc: Fix port initialization failure.
scsi: lpfc: Fix 16gb hbas failing cq create.
scsi: lpfc: Fix crash in blk_mq layer when executing modprobe -r lpfc
scsi: lpfc: correct oversubscription of nvme io requests for an adapter
scsi: lpfc: Fix MDS diagnostics failure (Rx < Tx)
scsi: hisi_sas: Mark PHY as in reset for nexus reset
scsi: hisi_sas: Fix return value when get_free_slot() failed
scsi: hisi_sas: Terminate STP reject quickly for v2 hw
scsi: hisi_sas: Add v2 hw force PHY function for internal ATA command
scsi: hisi_sas: Include TMF elements in struct hisi_sas_slot
scsi: hisi_sas: Try wait commands before before controller reset
scsi: hisi_sas: Init disks after controller reset
scsi: hisi_sas: Create a scsi_host_template per HW module
scsi: hisi_sas: Reset disks when discovered
scsi: hisi_sas: Add LED feature for v3 hw
scsi: hisi_sas: Change common allocation mode of device id
scsi: hisi_sas: change slot index allocation mode
scsi: hisi_sas: Introduce hisi_sas_phy_set_linkrate()
scsi: hisi_sas: fix a typo in hisi_sas_task_prep()
...
Pull restartable sequence support from Thomas Gleixner:
"The restartable sequences syscall (finally):
After a lot of back and forth discussion and massive delays caused by
the speculative distraction of maintainers, the core set of
restartable sequences has finally reached a consensus.
It comes with the basic non disputed core implementation along with
support for arm, powerpc and x86 and a full set of selftests
It was exposed to linux-next earlier this week, so it does not fully
comply with the merge window requirements, but there is really no
point to drag it out for yet another cycle"
* 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq/selftests: Provide Makefile, scripts, gitignore
rseq/selftests: Provide parametrized tests
rseq/selftests: Provide basic percpu ops test
rseq/selftests: Provide basic test
rseq/selftests: Provide rseq library
selftests/lib.mk: Introduce OVERRIDE_TARGETS
powerpc: Wire up restartable sequences system call
powerpc: Add syscall detection for restartable sequences
powerpc: Add support for restartable sequences
x86: Wire up restartable sequence system call
x86: Add support for restartable sequences
arm: Wire up restartable sequences system call
arm: Add syscall detection for restartable sequences
arm: Add restartable sequences support
rseq: Introduce restartable sequences system call
uapi/headers: Provide types_32_64.h
Pull x86 updates and fixes from Thomas Gleixner:
- Fix the (late) fallout from the vector management rework causing
hlist corruption and irq descriptor reference leaks caused by a
missing sanity check.
The straight forward fix triggered another long standing issue to
surface. The pre rework code hid the issue due to being way slower,
but now the chance that user space sees an EBUSY error return when
updating irq affinities is way higher, though quite a bunch of
userspace tools do not handle it properly despite the fact that EBUSY
could be returned for at least 10 years.
It turned out that the EBUSY return can be avoided completely by
utilizing the existing delayed affinity update mechanism for irq
remapped scenarios as well. That's a bit more error handling in the
kernel, but avoids fruitless fingerpointing discussions with tool
developers.
- Decouple PHYSICAL_MASK from AMD SME as its going to be required for
the upcoming Intel memory encryption support as well.
- Handle legacy device ACPI detection properly for newer platforms
- Fix the wrong argument ordering in the vector allocation tracepoint
- Simplify the IDT setup code for the APIC=n case
- Use the proper string helpers in the MTRR code
- Remove a stale unused VDSO source file
- Convert the microcode update lock to a raw spinlock as its used in
atomic context.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/intel_rdt: Enable CMT and MBM on new Skylake stepping
x86/apic/vector: Print APIC control bits in debugfs
genirq/affinity: Defer affinity setting if irq chip is busy
x86/platform/uv: Use apic_ack_irq()
x86/ioapic: Use apic_ack_irq()
irq_remapping: Use apic_ack_irq()
x86/apic: Provide apic_ack_irq()
genirq/migration: Avoid out of line call if pending is not set
genirq/generic_pending: Do not lose pending affinity update
x86/apic/vector: Prevent hlist corruption and leaks
x86/vector: Fix the args of vector_alloc tracepoint
x86/idt: Simplify the idt_setup_apic_and_irq_gates()
x86/platform/uv: Remove extra parentheses
x86/mm: Decouple dynamic __PHYSICAL_MASK from AMD SME
x86: Mark native_set_p4d() as __always_inline
x86/microcode: Make the late update update_lock a raw lock for RT
x86/mtrr: Convert to use strncpy_from_user() helper
x86/mtrr: Convert to use match_string() helper
x86/vdso: Remove unused file
x86/i8237: Register device based on FADT legacy boot flag
Pull core fixes from Thomas Gleixner:
"A small set of core updates:
- Make objtool cope with GCC8 oddities some more
- Remove a stale local_irq_save/restore sequence in the signal code
along with the stale comment in the RCU code. The underlying issue
which led to this has been solved long time ago, but nobody cared
to cleanup the hackarounds"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
signal: Remove no longer required irqsave/restore
rcu: Update documentation of rcu_read_unlock()
objtool: Fix GCC 8 cold subfunction detection for aliased functions
Dell uses this string to activate Thunderbolt native mode on supported
machines.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since commit b4abf91047 ("rtmutex: Make wait_lock irq safe") the
explanation in rcu_read_unlock() documentation about irq unsafe rtmutex
wait_lock is no longer valid.
Remove it to prevent kernel developers reading the documentation to rely on
it.
Suggested-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: bigeasy@linutronix.de
Link: https://lkml.kernel.org/r/20180525090507.22248-2-anna-maria@linutronix.de
* bq27xxx: Add BQ27426 support
* ab8500: Drop AB8540/9540 support
* Introduced new usb_type property
* Properly document the power-supply ABI
* misc. cleanups and fixes
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Merge tag 'for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- bq27xxx: Add BQ27426 support
- ab8500: Drop AB8540/9540 support
- Introduced new usb_type property
- Properly document the power-supply ABI
- misc. cleanups and fixes
* tag 'for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
MAINTAINERS: add entry for LEGO MINDSTORMS EV3
power: supply: ab8500_charger: fix spelling mistake: "faile" -> "failed"
power: supply: axp288_fuel_gauge: Remove polling from the driver
power: supply: axp288_fuelguage: Do not bind when the fg function is not used
power: supply: axp288_charger: Do not bind when the charge function is not used
power: supply: axp288_charger: Support 3500 and 4000 mA input current limit
power: supply: s3c-adc-battery: fix driver data initialization
power: supply: charger-manager: Verify polling interval only when polling requested
power: supply: sysfs: Use enum to specify property
power: supply: ab8500: Drop AB8540/9540 support
power: supply: ab8500_fg: fix spelling mistake: "Disharge" -> "Discharge"
power: supply: simplify getting .drvdata
power: supply: bq27xxx: Add support for BQ27426
gpio-poweroff: Use gpiod_set_value_cansleep
general cleanups, but nothing too major. The majority of the diff goes to
two SoCs, Actions Semi and Qualcomm. A brand new driver is introduced for
Actions Semi so it takes up some lines to add all the different types, and
the Qualcomm diff is there because we add support for two SoCs and it's quite
a bit of data.
Otherwise the big driver updates are on TI Davinci and Amlogic platforms. And
then the long tail of driver updates for various fixes and stuff follows
after that.
Core:
- debugfs cleanups removing error checking and an unused provider API
- Removal of a clk init typedef that isn't used
- Usage of match_string() to simplify parent string name matching
- OF clk helpers moved to their own file (linux/of_clk.h)
- Make clk warnings more readable across kernel versions
New Drivers:
- Qualcomm SDM845 GCC and Video clk controllers
- Qualcomm MSM8998 GCC
- Actions Semi S900 SoC support
- Nuvoton npcm750 microcontroller clks
- Amlogic axg AO clock controller
Removed Drivers:
- Deprecated Rockchip clk-gate driver
Updates:
- debugfs functions stopped checking return values
- Support for the MSIOF module clocks on Rensas R-Car M3-N
- Support for the new Rensas RZ/G1C and R-Car E3 SoCs
- Qualcomm GDSC, RCG, and PLL updates for clk changes in new SoCs
- Berlin and Amlogic SPDX tagging
- Usage of of_clk_get_parent_count() in more places
- Proper implementation of the CDEV1/2 clocks on Tegra20
- Allwinner H6 PRCM clock support and R40 EMAC support
- Add critical flag to meson8b's fdiv2 as temporary fixup for ethernet
- Round closest support for meson's mpll driver
- Support for meson8b nand clocks and gxbb video decoder clocks
- Mediatek mali clks
- STM32MP1 fixes
- Uniphier LD11/LD20 stream demux system clock
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This time we have a good set of changes to the core framework that do
some general cleanups, but nothing too major. The majority of the diff
goes to two SoCs, Actions Semi and Qualcomm. A brand new driver is
introduced for Actions Semi so it takes up some lines to add all the
different types, and the Qualcomm diff is there because we add support
for two SoCs and it's quite a bit of data.
Otherwise the big driver updates are on TI Davinci and Amlogic
platforms. And then the long tail of driver updates for various fixes
and stuff follows after that.
Core:
- debugfs cleanups removing error checking and an unused provider API
- Removal of a clk init typedef that isn't used
- Usage of match_string() to simplify parent string name matching
- OF clk helpers moved to their own file (linux/of_clk.h)
- Make clk warnings more readable across kernel versions
New Drivers:
- Qualcomm SDM845 GCC and Video clk controllers
- Qualcomm MSM8998 GCC
- Actions Semi S900 SoC support
- Nuvoton npcm750 microcontroller clks
- Amlogic axg AO clock controller
Removed Drivers:
- Deprecated Rockchip clk-gate driver
Updates:
- debugfs functions stopped checking return values
- Support for the MSIOF module clocks on Rensas R-Car M3-N
- Support for the new Rensas RZ/G1C and R-Car E3 SoCs
- Qualcomm GDSC, RCG, and PLL updates for clk changes in new SoCs
- Berlin and Amlogic SPDX tagging
- Usage of of_clk_get_parent_count() in more places
- Proper implementation of the CDEV1/2 clocks on Tegra20
- Allwinner H6 PRCM clock support and R40 EMAC support
- Add critical flag to meson8b's fdiv2 as temporary fixup for ethernet
- Round closest support for meson's mpll driver
- Support for meson8b nand clocks and gxbb video decoder clocks
- Mediatek mali clks
- STM32MP1 fixes
- Uniphier LD11/LD20 stream demux system clock"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (134 commits)
clk: qcom: Export clk_fabia_pll_configure()
clk: bcm: Update and add Stingray clock entries
dt-bindings: clk: Update Stingray binding doc
clk-si544: Properly round requested frequency to nearest match
clk: ingenic: jz4770: Add 150us delay after enabling VPU clock
clk: ingenic: jz4770: Enable power of AHB1 bus after ungating VPU clock
clk: ingenic: jz4770: Modify C1CLK clock to disable CPU clock stop on idle
clk: ingenic: jz4770: Change OTG from custom to standard gated clock
clk: ingenic: Support specifying "wait for clock stable" delay
clk: ingenic: Add support for clocks whose gate bit is inverted
clk: use match_string() helper
clk: bcm2835: use match_string() helper
clk: Return void from debug_init op
clk: remove clk_debugfs_add_file()
clk: tegra: no need to check return value of debugfs_create functions
clk: davinci: no need to check return value of debugfs_create functions
clk: bcm2835: no need to check return value of debugfs_create functions
clk: no need to check return value of debugfs_create functions
clk: imx6: add EPIT clock support
clk: mvebu: use correct bit for 98DX3236 NAND
...
Here is the big staging and IIO driver update for 4.18-rc1.
It was delayed as I wanted to make sure the final driver deletions did
not cause any major merge issues, and all now looks good.
There are a lot of patches here, just over 1000. The diffstat summary
shows the major changes here:
1007 files changed, 16828 insertions(+), 227770 deletions(-)
Because of this, we might be close to shrinking the overall kernel
source code size for two releases in a row.
There was loads of work in this release cycle, primarily:
- tons of ks7010 driver cleanups
- lots of mt7621 driver fixes and cleanups
- most driver cleanups
- wilc1000 fixes and cleanups
- lots and lots of IIO driver cleanups and new additions
- debugfs cleanups for all staging drivers
- lots of other staging driver cleanups and fixes, the shortlog
has the full details.
but the big user-visable things here are the removal of 3 chunks of
code:
- ncpfs and ipx were removed on schedule, no one has cared about
this code since it moved to staging last year, and if it needs
to come back, it can be reverted.
- lustre file system is removed. I've ranted at the lustre
developers about once a year for the past 5 years, with no
real forward progress at all to clean things up and get the
code into the "real" part of the kernel. Given that the
lustre developers continue to work on an external tree and try
to port those changes to the in-kernel tree every once in a
while, this whole thing really really is not working out at
all. So I'm deleting it so that the developers can spend the
time working in their out-of-tree location and get things
cleaned up properly to get merged into the tree correctly at a
later date.
Because of these file removals, you will have merge issues on some of
these files (2 in the ipx code, 1 in the ncpfs code, and 1 in the
atomisp driver). Just delete those files, it's a simple merge :)
All of this has been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here is the big staging and IIO driver update for 4.18-rc1.
It was delayed as I wanted to make sure the final driver deletions did
not cause any major merge issues, and all now looks good.
There are a lot of patches here, just over 1000. The diffstat summary
shows the major changes here:
1007 files changed, 16828 insertions(+), 227770 deletions(-)
Because of this, we might be close to shrinking the overall kernel
source code size for two releases in a row.
There was loads of work in this release cycle, primarily:
- tons of ks7010 driver cleanups
- lots of mt7621 driver fixes and cleanups
- most driver cleanups
- wilc1000 fixes and cleanups
- lots and lots of IIO driver cleanups and new additions
- debugfs cleanups for all staging drivers
- lots of other staging driver cleanups and fixes, the shortlog has
the full details.
but the big user-visable things here are the removal of 3 chunks of
code:
- ncpfs and ipx were removed on schedule, no one has cared about this
code since it moved to staging last year, and if it needs to come
back, it can be reverted.
- lustre file system is removed.
I've ranted at the lustre developers about once a year for the past
5 years, with no real forward progress at all to clean things up
and get the code into the "real" part of the kernel.
Given that the lustre developers continue to work on an external
tree and try to port those changes to the in-kernel tree every once
in a while, this whole thing really really is not working out at
all. So I'm deleting it so that the developers can spend the time
working in their out-of-tree location and get things cleaned up
properly to get merged into the tree correctly at a later date.
Because of these file removals, you will have merge issues on some of
these files (2 in the ipx code, 1 in the ncpfs code, and 1 in the
atomisp driver). Just delete those files, it's a simple merge :)
All of this has been in linux-next for a while with no reported
problems"
* tag 'staging-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1011 commits)
staging: ipx: delete it from the tree
ncpfs: remove uapi .h files
ncpfs: remove Documentation
ncpfs: remove compat functionality
staging: ncpfs: delete it
staging: lustre: delete the filesystem from the tree.
staging: vc04_services: no need to save the log debufs dentries
staging: vc04_services: vchiq_debugfs_log_entry can be a void *
staging: vc04_services: remove struct vchiq_debugfs_info
staging: vc04_services: move client dbg directory into static variable
staging: vc04_services: remove odd vchiq_debugfs_top() wrapper
staging: vc04_services: no need to check debugfs return values
staging: mt7621-gpio: reorder includes alphabetically
staging: mt7621-gpio: change gc_map to don't use pointers
staging: mt7621-gpio: use GPIOF_DIR_OUT and GPIOF_DIR_IN macros instead of custom values
staging: mt7621-gpio: change 'to_mediatek_gpio' to make just a one line return
staging: mt7621-gpio: dt-bindings: update documentation for #interrupt-cells property
staging: mt7621-gpio: update #interrupt-cells for the gpio node
staging: mt7621-gpio: dt-bindings: complete documentation for the gpio
staging: mt7621-dts: add missing properties to gpio node
...
* DAX broke a fundamental assumption of truncate of file mapped pages.
The truncate path assumed that it is safe to disconnect a pinned page
from a file and let the filesystem reclaim the physical block. With DAX
the page is equivalent to the filesystem block. Introduce
dax_layout_busy_page() to enable filesystems to wait for pinned DAX
pages to be released. Without this wait a filesystem could allocate
blocks under active device-DMA to a new file.
* DAX arranges for the block layer to be bypassed and uses
dax_direct_access() + copy_to_iter() to satisfy read(2) calls.
However, the memcpy_mcsafe() facility is available through the pmem
block driver. In order to safely handle media errors, via the DAX
block-layer bypass, introduce copy_to_iter_mcsafe().
* Fix cache management policy relative to the ACPI NFIT Platform
Capabilities Structure to properly elide cache flushes when they are not
necessary. The table indicates whether CPU caches are power-fail
protected. Clarify that a deep flush is always performed on
REQ_{FUA,PREFLUSH} requests.
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Merge tag 'libnvdimm-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"This adds a user for the new 'bytes-remaining' updates to
memcpy_mcsafe() that you already received through Ingo via the
x86-dax- for-linus pull.
Not included here, but still targeting this cycle, is support for
handling memory media errors (poison) consumed via userspace dax
mappings.
Summary:
- DAX broke a fundamental assumption of truncate of file mapped
pages. The truncate path assumed that it is safe to disconnect a
pinned page from a file and let the filesystem reclaim the physical
block. With DAX the page is equivalent to the filesystem block.
Introduce dax_layout_busy_page() to enable filesystems to wait for
pinned DAX pages to be released. Without this wait a filesystem
could allocate blocks under active device-DMA to a new file.
- DAX arranges for the block layer to be bypassed and uses
dax_direct_access() + copy_to_iter() to satisfy read(2) calls.
However, the memcpy_mcsafe() facility is available through the pmem
block driver. In order to safely handle media errors, via the DAX
block-layer bypass, introduce copy_to_iter_mcsafe().
- Fix cache management policy relative to the ACPI NFIT Platform
Capabilities Structure to properly elide cache flushes when they
are not necessary. The table indicates whether CPU caches are
power-fail protected. Clarify that a deep flush is always performed
on REQ_{FUA,PREFLUSH} requests"
* tag 'libnvdimm-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (21 commits)
dax: Use dax_write_cache* helpers
libnvdimm, pmem: Do not flush power-fail protected CPU caches
libnvdimm, pmem: Unconditionally deep flush on *sync
libnvdimm, pmem: Complete REQ_FLUSH => REQ_PREFLUSH
acpi, nfit: Remove ecc_unit_size
dax: dax_insert_mapping_entry always succeeds
libnvdimm, e820: Register all pmem resources
libnvdimm: Debug probe times
linvdimm, pmem: Preserve read-only setting for pmem devices
x86, nfit_test: Add unit test for memcpy_mcsafe()
pmem: Switch to copy_to_iter_mcsafe()
dax: Report bytes remaining in dax_iomap_actor()
dax: Introduce a ->copy_to_iter dax operation
uio, lib: Fix CONFIG_ARCH_HAS_UACCESS_MCSAFE compilation
xfs, dax: introduce xfs_break_dax_layouts()
xfs: prepare xfs_break_layouts() for another layout type
xfs: prepare xfs_break_layouts() to be called with XFS_MMAPLOCK_EXCL
mm, fs, dax: handle layout changes to pinned dax mappings
mm: fix __gup_device_huge vs unmap
mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS
...
After commit 6b229cf77d ("udp: add batching to udp_rmem_release()")
the sk_rmem_alloc field does not measure exactly anymore the
receive queue length, because we batch the rmem release. The issue
is really apparent only after commit 0d4a6608f6 ("udp: do rmem bulk
free even if the rx sk queue is empty"): the user space can easily
check for an empty socket with not-0 queue length reported by the 'ss'
tool or the procfs interface.
We need to use a custom UDP helper to report the correct queue length,
taking into account the forward allocation deficit.
Reported-by: trevor.francis@46labs.com
Fixes: 6b229cf77d ("UDP: add batching to udp_rmem_release()")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-linus-20180608' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few fixes for this merge window, where some of them should go in
sooner rather than later, hence a new pull this week. This pull
request contains:
- Set of NVMe fixes, mostly follow up cleanups/fixes to the queue
changes, but also teardown/removal and misc changes (Christop/Dan/
Johannes/Sagi/Steve).
- Two lightnvm fixes for issues that showed up in this window
(Colin/Wei).
- Failfast/driver flags inheritance for flush requests (Hannes).
- The md device put sanitization and fix (Kent).
- dm bio_set inheritance fix (me).
- nbd discard granularity fix (Josef).
- nbd consistency in command printing (Kevin).
- Loop recursion validation fix (Ted).
- Partition overlap check (Wang)"
[ .. and now my build is warning-free again thanks to the md fix - Linus ]
* tag 'for-linus-20180608' of git://git.kernel.dk/linux-block: (22 commits)
nvme: cleanup double shift issue
nvme-pci: make CMB SQ mod-param read-only
nvme-pci: unquiesce dead controller queues
nvme-pci: remove HMB teardown on reset
nvme-pci: queue creation fixes
nvme-pci: remove unnecessary completion doorbell check
nvme-pci: remove unnecessary nested locking
nvmet: filter newlines from user input
nvme-rdma: correctly check for target keyed sgl support
nvme: don't hold nvmf_transports_rwsem for more than transport lookups
nvmet: return all zeroed buffer when we can't find an active namespace
md: Unify mddev destruction paths
dm: use bioset_init_from_src() to copy bio_set
block: add bioset_init_from_src() helper
block: always set partition number to '0' in blk_partition_remap()
block: pass failfast and driver-specific flags to flush requests
nbd: set discard_alignment to the granularity
nbd: Consistently use request pointer in debug messages.
block: add verifier for cmdline partition
lightnvm: pblk: fix resource leak of invalid_bitmap
...
Linus Torvalds