(1) compiler_types.h is unconditionally included via an -include flag
(see scripts/Makefile.lib), and it defines __compiler_offsetof
unconditionally. So testing for definedness of __compiler_offsetof is
mostly pointless.
(2) Every relevant compiler provides __builtin_offsetof (even sparse
has had that for 14 years), and if for whatever reason one would end
up picking up the poor man's fallback definition (C file compiler with
completely custom CFLAGS?), newer clang versions won't treat the
result as an Integer Constant Expression, so if used in place where
such is required (static initializer or static_assert), one would get
errors like
t.c:11:16: error: static_assert expression is not an integral constant expression
t.c:11:16: note: cast that performs the conversions of a reinterpret_cast is not allowed in a constant expression
t.c:4:33: note: expanded from macro 'offsetof'
#define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
So just define offsetof unconditionally and directly in terms of
__builtin_offsetof.
Link: https://lkml.kernel.org/r/20220202102147.326672-1-linux@rasmusvillemoes.dk
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently it's not possible to enable DEBUG_INFO for an all*config
build, since it is marked as "depends on !COMPILE_TEST".
This generally makes sense because a debug build of an all*config target
ends up taking much longer and the output is much larger. Having this
be "default off" makes sense.
However, there are cases where enabling DEBUG_INFO for such builds is
useful for doing treewide A/B comparisons of build options, etc.
Make DEBUG_INFO selectable from any of the DWARF version choice options,
with DEBUG_INFO_NONE being the default for COMPILE_TEST.
The mutually exclusive relationship between DWARF5 and BTF must be
inverted, but the result remains the same. Additionally moves
DEBUG_KERNEL and DEBUG_MISC up to the top of the menu because they were
enabling features _above_ it, making it weird to navigate menuconfig.
[keescook@chromium.org: make DEBUG_INFO always default=n]
Link: https://lkml.kernel.org/r/20220128214131.580131-1-keescook@chromium.org
Link: https://lore.kernel.org/lkml/YfRY6+CaQxX7O8vF@dev-arch.archlinux-ax161
Link: https://lkml.kernel.org/r/20220125075126.891825-1-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use helper macro __ATTR_RW to define kobj_attribute to make code more
clear. Minor readability improvement.
Link: https://lkml.kernel.org/r/20220222112034.48298-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Several attributes depend on __CHECKER__, but previously there was no
clue in the tree about when __CHECKER__ might be defined. Add hints at
the most common places (__kernel, __user, __iomem, __bitwise) and in the
sparse documentation.
Link: https://lkml.kernel.org/r/20220310220927.245704-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: "Michael S . Tsirkin" <mst@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are no users of "__bitwise__" except the definition of
"__bitwise". Remove __bitwise__ and define __bitwise directly.
This is a follow-up to 05de97003c ("linux/types.h: enable endian
checks for all sparse builds").
[akpm@linux-foundation.org: change the tools/include/linux/types.h definition also]
Link: https://lkml.kernel.org/r/20220310220927.245704-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix a spelling problem to remove warnings found by running
scripts/kernel-doc, which is caused by using 'make W=1'.
fs/proc/vmcore.c:492: warning: Function parameter or member 'size' not described in 'vmcore_alloc_buf'
fs/proc/vmcore.c:492: warning: Excess function parameter 'sizez' description in 'vmcore_alloc_buf'
Link: https://lkml.kernel.org/r/20220129011449.105278-1-yang.lee@linux.alibaba.com
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Acked-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Lockdep noticed that there is chance for a deadlock if we have concurrent
mmap, concurrent read, and the addition/removal of a callback.
As nicely explained by Boqun:
"Lockdep warned about the above sequences because rw_semaphore is a
fair read-write lock, and the following can cause a deadlock:
TASK 1 TASK 2 TASK 3
====== ====== ======
down_write(mmap_lock);
down_read(vmcore_cb_rwsem)
down_write(vmcore_cb_rwsem); // blocked
down_read(vmcore_cb_rwsem); // cannot get the lock because of the fairness
down_read(mmap_lock); // blocked
IOW, a reader can block another read if there is a writer queued by
the second reader and the lock is fair"
To fix this, convert to srcu to make this deadlock impossible. We need
srcu as our callbacks can sleep. With this change, I cannot trigger any
lockdep warnings.
======================================================
WARNING: possible circular locking dependency detected
5.17.0-0.rc0.20220117git0c947b893d69.68.test.fc36.x86_64 #1 Not tainted
------------------------------------------------------
makedumpfile/542 is trying to acquire lock:
ffffffff832d2eb8 (vmcore_cb_rwsem){.+.+}-{3:3}, at: mmap_vmcore+0x340/0x580
but task is already holding lock:
ffff8880af226438 (&mm->mmap_lock#2){++++}-{3:3}, at: vm_mmap_pgoff+0x84/0x150
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&mm->mmap_lock#2){++++}-{3:3}:
lock_acquire+0xc3/0x1a0
__might_fault+0x4e/0x70
_copy_to_user+0x1f/0x90
__copy_oldmem_page+0x72/0xc0
read_from_oldmem+0x77/0x1e0
read_vmcore+0x2c2/0x310
proc_reg_read+0x47/0xa0
vfs_read+0x101/0x340
__x64_sys_pread64+0x5d/0xa0
do_syscall_64+0x43/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
-> #0 (vmcore_cb_rwsem){.+.+}-{3:3}:
validate_chain+0x9f4/0x2670
__lock_acquire+0x8f7/0xbc0
lock_acquire+0xc3/0x1a0
down_read+0x4a/0x140
mmap_vmcore+0x340/0x580
proc_reg_mmap+0x3e/0x90
mmap_region+0x504/0x880
do_mmap+0x38a/0x520
vm_mmap_pgoff+0xc1/0x150
ksys_mmap_pgoff+0x178/0x200
do_syscall_64+0x43/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&mm->mmap_lock#2);
lock(vmcore_cb_rwsem);
lock(&mm->mmap_lock#2);
lock(vmcore_cb_rwsem);
*** DEADLOCK ***
1 lock held by makedumpfile/542:
#0: ffff8880af226438 (&mm->mmap_lock#2){++++}-{3:3}, at: vm_mmap_pgoff+0x84/0x150
stack backtrace:
CPU: 0 PID: 542 Comm: makedumpfile Not tainted 5.17.0-0.rc0.20220117git0c947b893d69.68.test.fc36.x86_64 #1
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
Call Trace:
__lock_acquire+0x8f7/0xbc0
lock_acquire+0xc3/0x1a0
down_read+0x4a/0x140
mmap_vmcore+0x340/0x580
proc_reg_mmap+0x3e/0x90
mmap_region+0x504/0x880
do_mmap+0x38a/0x520
vm_mmap_pgoff+0xc1/0x150
ksys_mmap_pgoff+0x178/0x200
do_syscall_64+0x43/0x90
Link: https://lkml.kernel.org/r/20220119193417.100385-1-david@redhat.com
Fixes: cc5f2704c9 ("proc/vmcore: convert oldmem_pfn_is_ram callback to more generic vmcore callbacks")
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: Baoquan He <bhe@redhat.com>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It's not a standard approach that use __get_free_page() to alloc path
buffer directly. We'd better use kmalloc and PATH_MAX.
PAGE_SIZE is different on different archs. An unlinked file
with very long canonical pathname will readlink differently
because "(deleted)" eats into a buffer. --adobriyan
[akpm@linux-foundation.org: remove now-unneeded cast]
Link: https://lkml.kernel.org/r/Ye1fCxyZZ0I5lgOL@localhost.localdomain
Signed-off-by: Hao Lee <haolee.swjtu@gmail.com>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: James Morris <jamorris@linux.microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
After a somewhat quiet 5.17 release, the size of the DT changes
is a bit larger again. There are nine new SoC that get added,
all of them related to existing platforms:
- Airoha (formerly Mediatek/EcoNet) EN7523 networking SoC and EVB
- Mediatek mt6582 tablet platform with the Prestigio PMT5008 3G tablet
- Microchip Lan966 networking SoC and it evaluation board
- Qualcomm Snapdragon 625/632 midrange phone SoCs, with the
LG Nexus 5X and Fairphone FP3 phones
- Renesas RZ/G2LC and RZ/V2L general-purpose embedded SoCs,
along with their evaluation boards
- Samsung Exynos 850 phone SoC and reference board
- Samsung Exynos7885 with the Samsung Galaxy A8 (2018) phone
- Tesla FSD (Fully Self-Driving), an automotive SoC losely derived
from the Samsung Exynos family.
- TI K3/AM62 SoC and reference board
Support for additional functionality in existing dts files is added all
over the place: Samsung, Renesas, Mstar, wpcm450, OMAP, AT91, Allwinner,
i.MX, Tegra, Aspeed, Oxnas, Qualcomm, Mediatek, and Broadcom.
Samsung has a rework for its pinctrl schema that is a bit tricky and
requires driver changes to be included here.
A few more platforms only have smaller cleanups and DT Schema fixes,
this includes SoCFPGA, ux500, ixp4xx, STi, Xilinx Zynq, LG, and Juno.
The new machines are really too many to list, but I'll do it anyway:
Allwinner:
- A20-Marsboard development board
Amlogic
- Amediatek X96-AIR (Amlogic S905X3)
- CYX A95XF3-AIR (Amlogic S905X3)
- Haochuangy H96-Max (Amlogic S905X3)
- Amlogic AQ222 (Amlogic S4)
- OSMC Vero 4K+ (Amlogic S905D)
Arm Juno
- Separate DT depending on SCMI firmware version
Aspeed:
- Quanta S6Q BMC (AST2600)
- ASRock ROMED8HM3 (AST2500)
Broadcom:
- Raspberry Pi Zero 2 W
Marvell MVEBU/Armada:
- Ctera C200 V1 NAS (kirkwood)
- Ctera C200 V2 NAS (armada-370)
Mstar
- DongShanPiOne, a low-end embedded board
- Miyoo Mini handheld game console
NXP i.MX:
- Numerous i.MX8M Mini based boards in even more variations, but
none based on other SoCs this time:
Protonic PRT8MM, emCON-MX8M Mini, Toradex Verdin, and
Gateworks GW7903
Qualcomm:
- Google Herobrine R1 Chromebook platform (Snapdragon 7c Gen 3)
- SHIFT6mq phone (Snapdragon 845)
- Samsung Galaxy Book2 (Snapdragon 850)
- Snapdragon 8 Gen 1 Hardware Development Kit
TI OMAP:
- SanCloud BeagleBone Enhanced WiFi
Rockchip:
- Pine64 PineNote ereader tablet (rk356x)
- Bananapi-R2-Pro (rk356x)
STM32:
- emtrion emSBS-Argon embedded board (stm32mp157c)
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Merge tag 'arm-dt-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM devicetree updates from Arnd Bergmann:
"After a somewhat quiet 5.17 release, the size of the DT changes is a
bit larger again. There are nine new SoC that get added, all of them
related to existing platforms:
- Airoha (formerly Mediatek/EcoNet) EN7523 networking SoC and EVB
- Mediatek mt6582 tablet platform with the Prestigio PMT5008 3G
tablet
- Microchip Lan966 networking SoC and it evaluation board
- Qualcomm Snapdragon 625/632 midrange phone SoCs, with the LG Nexus
5X and Fairphone FP3 phones
- Renesas RZ/G2LC and RZ/V2L general-purpose embedded SoCs, along
with their evaluation boards
- Samsung Exynos 850 phone SoC and reference board
- Samsung Exynos7885 with the Samsung Galaxy A8 (2018) phone
- Tesla FSD (Fully Self-Driving), an automotive SoC loosely derived
from the Samsung Exynos family.
- TI K3/AM62 SoC and reference board
Support for additional functionality in existing dts files is added
all over the place: Samsung, Renesas, Mstar, wpcm450, OMAP, AT91,
Allwinner, i.MX, Tegra, Aspeed, Oxnas, Qualcomm, Mediatek, and
Broadcom.
Samsung has a rework for its pinctrl schema that is a bit tricky and
requires driver changes to be included here.
A few more platforms only have smaller cleanups and DT Schema fixes,
this includes SoCFPGA, ux500, ixp4xx, STi, Xilinx Zynq, LG, and Juno.
The new machines are really too many to list, but I'll do it anyway:
Allwinner:
- A20-Marsboard development board
Amlogic:
- Amediatek X96-AIR (Amlogic S905X3)
- CYX A95XF3-AIR (Amlogic S905X3)
- Haochuangy H96-Max (Amlogic S905X3)
- Amlogic AQ222 (Amlogic S4)
- OSMC Vero 4K+ (Amlogic S905D)
Arm Juno:
- Separate DT depending on SCMI firmware version
Aspeed:
- Quanta S6Q BMC (AST2600)
- ASRock ROMED8HM3 (AST2500)
Broadcom:
- Raspberry Pi Zero 2 W
Marvell MVEBU/Armada:
- Ctera C200 V1 NAS (kirkwood)
- Ctera C200 V2 NAS (armada-370)
Mstar:
- DongShanPiOne, a low-end embedded board
- Miyoo Mini handheld game console
NXP i.MX:
- Numerous i.MX8M Mini based boards in even more variations, but
none based on other SoCs this time:
Protonic PRT8MM, emCON-MX8M Mini, Toradex Verdin, and
Gateworks GW7903
Qualcomm:
- Google Herobrine R1 Chromebook platform (Snapdragon 7c Gen 3)
- SHIFT6mq phone (Snapdragon 845)
- Samsung Galaxy Book2 (Snapdragon 850)
- Snapdragon 8 Gen 1 Hardware Development Kit
TI OMAP:
- SanCloud BeagleBone Enhanced WiFi
Rockchip:
- Pine64 PineNote ereader tablet (rk356x)
- Bananapi-R2-Pro (rk356x)
STM32:
- emtrion emSBS-Argon embedded board (stm32mp157c)"
* tag 'arm-dt-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (627 commits)
arm64: dts: n5x: drop invalid property and fix edac node name
arm64: dts: fsd: Add the MCT support
arm64: dts: stingray: Fix spi clock name
arm64: dts: ns2: Fix spi clock name
ARM: dts: rockchip: Update regulator name for PX3
ARM: dts: rockchip: Add #clock-cells value for rk805
arm64: dts: rockchip: Add #clock-cells value for rk805
arm64: dts: rockchip: Remove vcc13 and vcc14 for rk808
arm64: dts: rockchip: Fix SDIO regulator supply properties on rk3399-firefly
ARM: dts: at91: sama7g5: Add NAND support
ARM: dts: at91: sama7g5: add eic node
ARM: dts: at91: sama7g5: Remove unused properties in i2c nodes
ARM: dts: at91: sam9x60ek: modify vdd_1v5 regulator to vdd_1v15
arm64: dts: lg: align pl330 node name with dtschema
arm64: dts: lg: add dma-cells to pl330 node
arm64: dts: juno: align pl330 node name with dtschema
arm64: dts: broadcom: Fix sata nodename
arm64: dts: n5x: add sdr edac support
arm64: dts: agilex/stratix10: add clock-names to USB DWC2 node
dt-bindings: usb: dwc2: add disable-over-current
...
There are a few separately maintained driver subsystems that we merge through
the SoC tree, notable changes are:
- Memory controller updates, mainly for Tegra and Mediatek SoCs,
and clarifications for the memory controller DT bindings
- SCMI firmware interface updates, in particular a new transport based
on OPTEE and support for atomic operations.
- Cleanups to the TEE subsystem, refactoring its memory management
For SoC specific drivers without a separate subsystem, changes include
- Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP
Layerscape SoCs.
- Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L,
and Qualcomm SM8450.
- Better power management on Mediatek MT81xx, NXP i.MX8MQ
and older NVIDIA Tegra chips
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Merge tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"There are a few separately maintained driver subsystems that we merge
through the SoC tree, notable changes are:
- Memory controller updates, mainly for Tegra and Mediatek SoCs, and
clarifications for the memory controller DT bindings
- SCMI firmware interface updates, in particular a new transport
based on OPTEE and support for atomic operations.
- Cleanups to the TEE subsystem, refactoring its memory management
For SoC specific drivers without a separate subsystem, changes include
- Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP
Layerscape SoCs.
- Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L,
and Qualcomm SM8450.
- Better power management on Mediatek MT81xx, NXP i.MX8MQ and older
NVIDIA Tegra chips"
* tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (154 commits)
ARM: spear: fix typos in comments
soc/microchip: fix invalid free in mpfs_sys_controller_delete
soc: s4: Add support for power domains controller
dt-bindings: power: add Amlogic s4 power domains bindings
ARM: at91: add support in soc driver for new SAMA5D29
soc: mediatek: mmsys: add sw0_rst_offset in mmsys driver data
dt-bindings: memory: renesas,rpc-if: Document RZ/V2L SoC
memory: emif: check the pointer temp in get_device_details()
memory: emif: Add check for setup_interrupts
dt-bindings: arm: mediatek: mmsys: add support for MT8186
dt-bindings: mediatek: add compatible for MT8186 pwrap
soc: mediatek: pwrap: add pwrap driver for MT8186 SoC
soc: mediatek: mmsys: add mmsys reset control for MT8186
soc: mediatek: mtk-infracfg: Disable ACP on MT8192
soc: ti: k3-socinfo: Add AM62x JTAG ID
soc: mediatek: add MTK mutex support for MT8186
soc: mediatek: mmsys: add mt8186 mmsys routing table
soc: mediatek: pm-domains: Add support for mt8186
dt-bindings: power: Add MT8186 power domains
soc: mediatek: pm-domains: Add support for mt8195
...
SoC specific code is generally used for older platforms that don't (yet)
use device tree to do the same things.
- Support is added for i.MXRT10xx, a Cortex-M7 based microcontroller
from NXP. At the moment this is still incomplete as other portions
are merged through different trees.
- Long abandoned support for running NOMMU ARMv4 or ARMv5 platforms
gets removed, now the Arm NOMMU platforms are limited to the
Cortex-M family of microcontrollers
- Two old PXA boards get removed, along with corresponding driver
bits.
- Continued cleanup of the Intel IXP4xx platforms, removing some
remnants of the old board files.
- Minor Cleanups and fixes for Orion, PXA, MMP, Mstar, Samsung
- CPU idle support for AT91
- A system controller driver for Polarfire
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Merge tag 'arm-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"SoC specific code is generally used for older platforms that don't
(yet) use device tree to do the same things.
- Support is added for i.MXRT10xx, a Cortex-M7 based microcontroller
from NXP. At the moment this is still incomplete as other portions
are merged through different trees.
- Long abandoned support for running NOMMU ARMv4 or ARMv5 platforms
gets removed, now the Arm NOMMU platforms are limited to the
Cortex-M family of microcontrollers
- Two old PXA boards get removed, along with corresponding driver
bits.
- Continued cleanup of the Intel IXP4xx platforms, removing some
remnants of the old board files.
- Minor Cleanups and fixes for Orion, PXA, MMP, Mstar, Samsung
- CPU idle support for AT91
- A system controller driver for Polarfire"
* tag 'arm-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
ARM: remove support for NOMMU ARMv4/v5
ARM: PXA: fix up decompressor code
soc: microchip: make mpfs_sys_controller_put static
ARM: pxa: remove Intel Imote2 and Stargate 2 boards
ARM: mmp: Fix failure to remove sram device
ARM: mstar: Select ARM_ERRATA_814220
soc: add microchip polarfire soc system controller
ARM: at91: Kconfig: select PM_OPP
ARM: at91: PM: add cpu idle support for sama7g5
ARM: at91: ddr: fix typo to align with datasheet naming
ARM: at91: ddr: align macro definitions
ARM: at91: ddr: remove CONFIG_SOC_SAMA7 dependency
ARM: ixp4xx: Convert to SPARSE_IRQ and P2V
ARM: ixp4xx: Drop all common code
ARM: ixp4xx: Drop custom DMA coherency and bouncing
ARM: ixp4xx: Remove feature bit accessors
net: ixp4xx_hss: Check features using syscon
net: ixp4xx_eth: Drop platform data support
soc: ixp4xx-npe: Access syscon regs using regmap
soc: ixp4xx: Add features from regmap helper
...
Various updates for the 32-bit and 64-bit defconfig files, mostly to
enable additional hardware drivers for more machines, specifically for
the Allwinner F1C100, Altera SoCFPGA, Broadcom, Microchip, Qualcomm,
Airoha, Tegra, Renesas, and i.NX.
The multi_v5_defconfig for older ARMv5 configs gets a rework for Andre
Przywara to cleans up the multi_v5_defconfig for some cruft that has
accumulated and drivers that got disabled unintentionally, while Anders
Roxell makes it more useful for running under Qemu.
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Merge tag 'arm-defconfig-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM defconfig updates from Arnd Bergmann:
"Various updates for the 32-bit and 64-bit defconfig files, mostly to
enable additional hardware drivers for more machines, specifically for
the Allwinner F1C100, Altera SoCFPGA, Broadcom, Microchip, Qualcomm,
Airoha, Tegra, Renesas, and i.NX.
The multi_v5_defconfig for older ARMv5 configs gets a rework for Andre
Przywara to cleans up the multi_v5_defconfig for some cruft that has
accumulated and drivers that got disabled unintentionally, while
Anders Roxell makes it more useful for running under Qemu"
* tag 'arm-defconfig-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (41 commits)
ARM: configs: multi_v5: Enable Allwinner F1C100
ARM: configs: clean up multi_v5_defconfig
ARM: configs: multi_v5_defconfig: re-enable DRM_PANEL and FB_xxx
ARM: configs: multi_v5_defconfig: re-enable CONFIG_V4L_PLATFORM_DRIVERS
ARM: configs: multi_v5_defconfig: remove deleted platforms
ARM: defconfig: add SMB347 charger driver for p4note
arm: multi_v5: enable configs for versatile
arm64: defconfig: enable Layerscape SFP driver
ARM: configs: at91: sama7: Unselect CONFIG_DMATEST
ARM: configs: at91: add eic
arm64: defconfig: enable the CVP driver
ARM: multi_v7_defconfig: Add support for Airoha EN7523 SoC
ARM: multi_v7_defconfig: Enable BCM23550 and BCM53573
ARM: multi_v7_defconfig: Enable Broadcom STB USB drivers
ARM: configs: at91: sama7: add config for cpufreq
ARM: configs: at91: sama7: enable cpu idle
ARM: configs: at91: sama7: Enable crypto IPs and software algs
ARM: configs: at91: sama7: Enable UBIFS_FS
ARM: configs: at91: sama7: Enable NAND / SMC
arm64: defconfig: tegra: Enable GPCDMA
...
There are three sets of updates for 5.18 in the asm-generic tree:
- The set_fs()/get_fs() infrastructure gets removed for good. This
was already gone from all major architectures, but now we can
finally remove it everywhere, which loses some particularly
tricky and error-prone code.
There is a small merge conflict against a parisc cleanup, the
solution is to use their new version.
- The nds32 architecture ends its tenure in the Linux kernel. The
hardware is still used and the code is in reasonable shape, but
the mainline port is not actively maintained any more, as all
remaining users are thought to run vendor kernels that would never
be updated to a future release.
There are some obvious conflicts against changes to the removed
files.
- A series from Masahiro Yamada cleans up some of the uapi header
files to pass the compile-time checks.
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Merge tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"There are three sets of updates for 5.18 in the asm-generic tree:
- The set_fs()/get_fs() infrastructure gets removed for good.
This was already gone from all major architectures, but now we can
finally remove it everywhere, which loses some particularly tricky
and error-prone code. There is a small merge conflict against a
parisc cleanup, the solution is to use their new version.
- The nds32 architecture ends its tenure in the Linux kernel.
The hardware is still used and the code is in reasonable shape, but
the mainline port is not actively maintained any more, as all
remaining users are thought to run vendor kernels that would never
be updated to a future release.
- A series from Masahiro Yamada cleans up some of the uapi header
files to pass the compile-time checks"
* tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (27 commits)
nds32: Remove the architecture
uaccess: remove CONFIG_SET_FS
ia64: remove CONFIG_SET_FS support
sh: remove CONFIG_SET_FS support
sparc64: remove CONFIG_SET_FS support
lib/test_lockup: fix kernel pointer check for separate address spaces
uaccess: generalize access_ok()
uaccess: fix type mismatch warnings from access_ok()
arm64: simplify access_ok()
m68k: fix access_ok for coldfire
MIPS: use simpler access_ok()
MIPS: Handle address errors for accesses above CPU max virtual user address
uaccess: add generic __{get,put}_kernel_nofault
nios2: drop access_ok() check from __put_user()
x86: use more conventional access_ok() definition
x86: remove __range_not_ok()
sparc64: add __{get,put}_kernel_nofault()
nds32: fix access_ok() checks in get/put_user
uaccess: fix nios2 and microblaze get_user_8()
sparc64: fix building assembly files
...
make htmldocs fails with
Sphinx parallel build error:
docutils.utils.SystemMessage: ...nvdimm.rst:146:
(SEVERE/4) Title level inconsistent:
PMEM-REGIONs, Atomic Sectors, and DAX
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The PMEM vs BLK section was removed without changing
the PMEM-REGIONS... title line. Replace '^' with '_'.
Fixes: f8669f1d6a ("nvdimm/blk: Delete the block-aperture window driver")
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220321220408.2381974-1-trix@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Updates for IRQ stacks and virtually mapped stack support for ARM from
the following pull requests, etc:
1) ARM: support for IRQ and vmap'ed stacks
This PR covers all the work related to implementing IRQ stacks and
vmap'ed stacks for all 32-bit ARM systems that are currently supported
by the Linux kernel, including RiscPC and Footbridge. It has been
submitted for review in three different waves:
- IRQ stacks support for v7 SMP systems [0],
- vmap'ed stacks support for v7 SMP systems[1],
- extending support for both IRQ stacks and vmap'ed stacks for all
remaining configurations, including v6/v7 SMP multiplatform kernels
and uniprocessor configurations including v7-M [2]
[0] https://lore.kernel.org/linux-arm-kernel/20211115084732.3704393-1-ardb@kernel.org/
[1] https://lore.kernel.org/linux-arm-kernel/20211122092816.2865873-1-ardb@kernel.org/
[2] https://lore.kernel.org/linux-arm-kernel/20211206164659.1495084-1-ardb@kernel.org/
2) ARM: support for IRQ and vmap'ed stacks [v6]
This tag covers the changes between the version of vmap'ed + IRQ stacks
support pulled into rmk/devel-stable [0] (which was dropped from v5.17
due to issues discovered too late in the cycle), and my v5 proposed for
the v5.18 cycle [1].
[0] git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git arm-irq-and-vmap-stacks-for-rmk
[1] https://lore.kernel.org/linux-arm-kernel/20220124174744.1054712-1-ardb@kernel.org/
3) ARM: ftrace fixes and cleanups
Make all flavors of ftrace available on all builds, regardless of ISA
choice, unwinder choice or compiler:
- use ADD not POP where possible
- fix a couple of Thumb2 related issues
- enable HAVE_FUNCTION_GRAPH_FP_TEST for robustness
- enable the graph tracer with the EABI unwinder
- avoid clobbering frame pointer registers to make Clang happy
Link: https://lore.kernel.org/linux-arm-kernel/20220203082204.1176734-1-ardb@kernel.org/
4) Fixes for the above.
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
"Updates for IRQ stacks and virtually mapped stack support, and ftrace:
- Support for IRQ and vmap'ed stacks
This covers all the work related to implementing IRQ stacks and
vmap'ed stacks for all 32-bit ARM systems that are currently
supported by the Linux kernel, including RiscPC and Footbridge. It
has been submitted for review in four different waves:
- IRQ stacks support for v7 SMP systems [0]
- vmap'ed stacks support for v7 SMP systems[1]
- extending support for both IRQ stacks and vmap'ed stacks for all
remaining configurations, including v6/v7 SMP multiplatform
kernels and uniprocessor configurations including v7-M [2]
- fixes and updates in [3]
- ftrace fixes and cleanups
Make all flavors of ftrace available on all builds, regardless of
ISA choice, unwinder choice or compiler [4]:
- use ADD not POP where possible
- fix a couple of Thumb2 related issues
- enable HAVE_FUNCTION_GRAPH_FP_TEST for robustness
- enable the graph tracer with the EABI unwinder
- avoid clobbering frame pointer registers to make Clang happy
- Fixes for the above"
[0] https://lore.kernel.org/linux-arm-kernel/20211115084732.3704393-1-ardb@kernel.org/
[1] https://lore.kernel.org/linux-arm-kernel/20211122092816.2865873-1-ardb@kernel.org/
[2] https://lore.kernel.org/linux-arm-kernel/20211206164659.1495084-1-ardb@kernel.org/
[3] https://lore.kernel.org/linux-arm-kernel/20220124174744.1054712-1-ardb@kernel.org/
[4] https://lore.kernel.org/linux-arm-kernel/20220203082204.1176734-1-ardb@kernel.org/
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (62 commits)
ARM: fix building NOMMU ARMv4/v5 kernels
ARM: unwind: only permit stack switch when unwinding call_with_stack()
ARM: Revert "unwind: dump exception stack from calling frame"
ARM: entry: fix unwinder problems caused by IRQ stacks
ARM: unwind: set frame.pc correctly for current-thread unwinding
ARM: 9184/1: return_address: disable again for CONFIG_ARM_UNWIND=y
ARM: 9183/1: unwind: avoid spurious warnings on bogus code addresses
Revert "ARM: 9144/1: forbid ftrace with clang and thumb2_kernel"
ARM: mach-bcm: disable ftrace in SMC invocation routines
ARM: cacheflush: avoid clobbering the frame pointer
ARM: kprobes: treat R7 as the frame pointer register in Thumb2 builds
ARM: ftrace: enable the graph tracer with the EABI unwinder
ARM: unwind: track location of LR value in stack frame
ARM: ftrace: enable HAVE_FUNCTION_GRAPH_FP_TEST
ARM: ftrace: avoid unnecessary literal loads
ARM: ftrace: avoid redundant loads or clobbering IP
ARM: ftrace: use trampolines to keep .init.text in branching range
ARM: ftrace: use ADD not POP to counter PUSH at entry
ARM: ftrace: ensure that ADR takes the Thumb bit into account
ARM: make get_current() and __my_cpu_offset() __always_inline
...
. fix 'screen_bits' defined but not used
. fix ucsimm sparse warnings
. fix dragen2 warnings
. fix test builds with the mcf_edma driver enabled
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Merge tag 'm68knommu-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
"A few fixes, nothing too exciting.
Fix warnings when building for dragen2 targets (sparse and
"screen_bits") and ucsimm targets. Fix compilation problems when test
compiling for ColdFire targets with the mcf_edma driver enabled.
Remove an incorrect clock definition for the ColdFire m5441x.
Summary:
- fix 'screen_bits' defined but not used
- fix ucsimm sparse warnings
- fix dragen2 warnings
- fix test builds with the mcf_edma driver enabled"
* tag 'm68knommu-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: coldfire/device.c: only build for MCF_EDMA when h/w macros are defined
m68k: m5441x: remove erroneous clock disable
m68knommu: fix ucsimm sparse warnings
m68knommu: fix 'screen_bits' defined but not used
m68knommu: fix warning: no previous prototype for 'init_dragen2'
A recent change added a warning when yamllint is not installed, as it is
needed for 'make dt_binding_check'. However, it also changed
DT_SCHEMA_LINT to be a simple make variable, which is evaluated when a
Makefile is evaluated. This causes a warning when running 'make clean',
as Documentation/devicetree/bindings/Makefile has a "clean-files"
variable:
$ make -s clean
which: no yamllint in (...)
warning: python package 'yamllint' not installed, skipping
Make DT_SCHEMA_LINT a recursive variable so it is evaluated only when it
is used. The warning still triggers when 'make dt_binding_check' is run.
Fixes: b3e664a7f4 ("dt-bindings: kbuild: Print a warning if yamllint is not found")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220315202542.2071351-1-nathan@kernel.org
U-Boot uses environment variables for storing device setup data. It
usually needs to be accessed by a bootloader, kernel and often
user-space.
This binding allows describing environment data located in a raw flash
partition. It's treated as NVMEM device and can be reused later for
other storage devices.
Using DT should be cleaner than hardcoding & duplicating such info in
multiple places. Bootloader & kernel can share DTS and user-space can
try reading it too or just have correct data exposed by a kernel.
A custom "compatible" string allows system to automatically load
relevant NVMEM driver but phandle can be also used for reading raw
location.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220228131250.16943-1-zajec5@gmail.com
If we need to continue doing this IO, then we don't want a potentially
selected buffer recycled. Add a flag for that.
Set this for recv/recvmsg if they do partial IO.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We currently don't attempt to get the full asked for length even if
MSG_WAITALL is set, if we get a partial receive. If we do see a partial
receive, then just note how many bytes we did and return -EAGAIN to
get it retried.
The iov is advanced appropriately for the vector based case, and we
manually bump the buffer and remainder for the non-vector case.
Cc: stable@vger.kernel.org
Reported-by: Constantine Gavrilov <constantine.gavrilov@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
It's been a fairly calm development cycle. There are a few
last-minute ALSA core fixes, most notably for covering PCM ioctl
races, but the most of rest are device-specific changes.
Below are some highlights:
* ALSA core:
- Fixes for PCM ioctl races that may lead to UAF
- Fix for oversized allocations in PCM OSS layer
* ASoC:
- Start of moving SoF to support multiple IPC mechanisms
- Use of NHLT ACPI table to reduce the amount of quirking required for
Intel systems
- Preliminary works forthcoming Intel AVS driver for legacy Intel DSP
firmwares
- Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280, Renesas
RZ/V2L, Texas Instruments TAS585M
* HD-audio:
- Driver re-binding fix for HD-audio
- Updates for Intel ADL and Tegra234, various platform quirks for
Dell, HP, Lenovo, ASUS, Samsung and Clevo machines
* USB-audio:
- Quirk updates for Scarlett2, RODE, Corsair devices
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Merge tag 'sound-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It's been a fairly calm development cycle. There are a few last-minute
ALSA core fixes, most notably for covering PCM ioctl races, but the
most of rest are device-specific changes.
Below are some highlights:
ALSA core:
- Fixes for PCM ioctl races that may lead to UAF
- Fix for oversized allocations in PCM OSS layer
ASoC:
- Start of moving SoF to support multiple IPC mechanisms
- Use of NHLT ACPI table to reduce the amount of quirking required
for Intel systems
- Preliminary works forthcoming Intel AVS driver for legacy Intel DSP
firmwares
- Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280,
Renesas RZ/V2L, Texas Instruments TAS585M
HD-audio:
- Driver re-binding fix for HD-audio
- Updates for Intel ADL and Tegra234, various platform quirks for
Dell, HP, Lenovo, ASUS, Samsung and Clevo machines
USB-audio:
- Quirk updates for Scarlett2, RODE, Corsair devices"
* tag 'sound-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (486 commits)
ALSA: hda/realtek: Add alc256-samsung-headphone fixup
ALSA: pci: fix reading of swapped values from pcmreg in AC97 codec
ALSA: pcm: Add stream lock during PCM reset ioctl operations
ALSA: pcm: Fix races among concurrent prealloc proc writes
ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls
ALSA: pcm: Fix races among concurrent read/write and buffer changes
ALSA: pcm: Fix races among concurrent hw_params and hw_free calls
ASoC: atmel: mchp-pdmc: print the correct property name
MAINTAINERS: Add Shengjiu to maintainer list of sound/soc/fsl
ASoC: SOF: Add a new dai_get_clk topology IPC op
ASoC: SOF: topology: Add ops for setting up and tearing down pipelines
ASoC: SOF: expose sof_route_setup()
ASoC: SOF: Add dai_link_fixup PCM op for IPC3
ASoC: SOF: Add trigger PCM op for IPC3
ASoC: SOF: Define hw_params PCM op for IPC3
ASoC: SOF: Introduce IPC3 PCM hw_free op
ASoC: SOF: pcm: expose the sof_pcm_setup_connected_widgets() function
ASoC: SOF: Introduce IPC-specific PCM ops
ASoC: SOF: Add bytes_ext control IPC ops for IPC3
ASoC: SOF: Add bytes_get/put control IPC ops for IPC3
...
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Merge tag 'media/v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- a major reorg at platform Kconfig/Makefile files, organizing them per
vendor. The other media Kconfig/Makefile files also sorted
- New sensor drivers: hi847, isl7998x, ov08d10
- New Amphion vpu decoder stateful driver
- New Atmel microchip csi2dc driver
- tegra-vde driver promoted from staging
- atomisp: some fixes for it to work on BYT
- imx7-mipi-csis driver promoted from staging and renamed
- camss driver got initial support for VFE hardware version Titan 480
- mtk-vcodec has gained support for MT8192
- lots of driver changes, fixes and improvements
* tag 'media/v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (417 commits)
media: nxp: Restrict VIDEO_IMX_MIPI_CSIS to ARCH_MXC or COMPILE_TEST
media: amphion: cleanup media device if register it fail
media: amphion: fix some issues to improve robust
media: amphion: fix some error related with undefined reference to __divdi3
media: amphion: fix an issue that using pm_runtime_get_sync incorrectly
media: vidtv: use vfree() for memory allocated with vzalloc()
media: m5mols/m5mols.h: document new reset field
media: pixfmt-yuv-planar.rst: fix PIX_FMT labels
media: platform: Remove unnecessary print function dev_err()
media: amphion: Add missing of_node_put() in vpu_core_parse_dt()
media: mtk-vcodec: Add missing of_node_put() in mtk_vdec_hw_prob_done()
media: platform: amphion: Fix build error without MAILBOX
media: spi: Kconfig: Place SPI drivers on a single menu
media: i2c: Kconfig: move camera drivers to the top
media: atomisp: fix bad usage at error handling logic
media: platform: rename mediatek/mtk-jpeg/ to mediatek/jpeg/
media: media/*/Kconfig: sort entries
media: Kconfig: cleanup VIDEO_DEV dependencies
media: platform/*/Kconfig: make manufacturer menus more uniform
media: platform: Create vendor/{Makefile,Kconfig} files
...
Lots of small fixes and code cleanups across most of the fbdev drivers.
This includes conversions to use helper functions, const conversions, spelling
fixes, help text updates, adding return value checks, small build fixes, and
much more.
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Merge tag 'for-5.18/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
"Lots of small fixes and code cleanups across most of the fbdev
drivers.
This includes conversions to use helper functions, const conversions,
spelling fixes, help text updates, adding return value checks, small
build fixes, and much more"
* tag 'for-5.18/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: (59 commits)
video: fbdev: kyro: make read-only array ODValues static const
video: fbdev: offb: fix warning comparing pointer to 0
video: fbdev: omapfb: Add missing of_node_put() in dvic_probe_of
video: fbdev: sm712fb: Fix crash in smtcfb_write()
video: fbdev: s3c-fb: fix platform_get_irq.cocci warning
video: fbdev: sm712fb: Fix crash in smtcfb_read()
video: fbdev: via: check the return value of kstrdup()
video: fbdev: au1100fb: Spelling s/palette/palette/
video: fbdev: atari: Atari 2 bpp (STe) palette bugfix
video: fbdev: atari: Remove unused atafb_setcolreg()
video: fbdev: atari: Convert to standard round_up() helper
video: fbdev: atari: Fix TT High video mode
video: fbdev: udlfb: replace snprintf in show functions with sysfs_emit
video: fbdev: omapfb: panel-tpo-td043mtea1: Use sysfs_emit() instead of snprintf()
video: fbdev: omapfb: panel-dsi-cm: Use sysfs_emit() instead of snprintf()
video: fbdev: omapfb: Use sysfs_emit() instead of snprintf()
video: fbdev: s3c-fb: Use platform_get_irq() to get the interrupt
video: fbdev: Fix wrong file path for pvr2fb.c in Kconfig help text
video: fbdev: pxa3xx-gcu: Remove unnecessary print function dev_err()
video: fbdev: pxa168fb: Remove unnecessary print function dev_err()
...
- Convert to sysfs_emit() in favor of sprintf()
- Improve fallback to speed modes if eMMC HS200 fails
MMC host:
- dw_mmc: Allow variants to set minimal supported clock rate
- dw-mmc-rockchip: Fix problems with invalid clock rates
- litex_mmc: Add new DT based driver for the LiteX's LiteSDCard interface
- litex_mmc: Add Gabriel Somlo and Joel Stanley as co-maintainers for LiteX
- mtk-sd: Add support for the Mediatek MT8186 variant
- renesas_sdhi: Add support for RZ/G2UL variant
- renesas_sdhi: Add support for RZ/V2L variant
- rtsx_pci: Adjust power-on sequence to conform to the SD spec
- sdhci-am654: Add support for TI's AM62 variant
- sdhci_am654: Fixup support for TI's AM64 variant
- sdhci-esdhc-imx: Add support for the imx93 variant
- sdhci-msm: Add support for the msm8953 variant
- sdhci-pci-gli: Add support for runtime PM for the GL9763E variant
- sdhci-pci-gli: Adjustments of the SSC function for the GL975x variants
- sdhci-tegra: Add support for wake on SD card event
- sunxi-mmc: Add support for Allwinner's F1c100s variant
- sunxi-mmc: Add support for D1 MMC variant
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Merge tag 'mmc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Convert to sysfs_emit() in favor of sprintf()
- Improve fallback to speed modes if eMMC HS200 fails
MMC host:
- dw_mmc: Allow variants to set minimal supported clock rate
- dw-mmc-rockchip: Fix problems with invalid clock rates
- litex_mmc: Add new DT based driver for the LiteX's LiteSDCard
interface
- litex_mmc: Add Gabriel Somlo and Joel Stanley as co-maintainers for
LiteX
- mtk-sd: Add support for the Mediatek MT8186 variant
- renesas_sdhi: Add support for RZ/G2UL variant
- renesas_sdhi: Add support for RZ/V2L variant
- rtsx_pci: Adjust power-on sequence to conform to the SD spec
- sdhci-am654: Add support for TI's AM62 variant
- sdhci_am654: Fixup support for TI's AM64 variant
- sdhci-esdhc-imx: Add support for the imx93 variant
- sdhci-msm: Add support for the msm8953 variant
- sdhci-pci-gli: Add support for runtime PM for the GL9763E variant
- sdhci-pci-gli: Adjustments of the SSC function for the GL975x
variants
- sdhci-tegra: Add support for wake on SD card event
- sunxi-mmc: Add support for Allwinner's F1c100s variant
- sunxi-mmc: Add support for D1 MMC variant"
* tag 'mmc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (37 commits)
dt-bindings: mmc: renesas,sdhi: Document RZ/G2UL SoC
mmc: tmio: remove outdated members from host struct
mmc: mtk-sd: Silence delay phase calculation debug log
mmc: davinci_mmc: Handle error for clk_enable
mmc: sdhci-pci-gli: Add runtime PM for GL9763E
mmc: core: Drop HS400 caps unless 8-bit bus is supported too
mmc: host: Return an error when ->enable_sdio_irq() ops is missing
mmc: core: Improve fallback to speed modes if eMMC HS200 fails
dt-bindings: mmc: sunxi: add Allwinner F1c100s compatible
mmc: dw-mmc-rockchip: Fix handling invalid clock rates
mmc: dw_mmc: Support setting f_min from host drivers
mmc: host: Drop commas after SoC match table sentinels
mmc: rtsx: add 74 Clocks in power on flow
dt-bindings: mmc: renesas,sdhi: Document RZ/V2L SoC
mmc: sh_mmcif: Simplify division/shift logic
mmc: sdhci_am654: Add Support for TI's AM62 SoC
dt-bindings: mmc: imx-esdhc: Add imx93 compatible string
dt-bindings: mmc: sdhci-am654: Add compatible string for AM62 SoC
mmc: sdhci_am654: Fix the driver data of AM64 SoC
mmc: core: use sysfs_emit() instead of sprintf()
...
For this cycle, no big change but many small fixes and code cleanup to
libata, the ahci driver and various pata drivers. In more details:
* Code simplification in pata_platform using platform_get_mem_or_io(),
from Lad.
* Fix read-only arrays declarations as const in pata_atiixp and
pata_pdc202xx_old, from Colin.
* Various cleanups and code simplification in libata-scsi, from me.
* Remove dead code in libata-acpi, from Sergey.
* Skip device scan deboune delay for Marvell 88SE9235 adapters (ahci) to
speedup boot, from Paul.
* Simplify functions declaration and use for functions always returning
0 in libata-core, from Sergey.
* Non-fatal error fixes and in the pata_hpt366 and pata_hpt3x2n drivers,
from Sergey.
* Various code cleanup in the pata_artop, pata_hpt37x, pata_hpt366,
pata_hpt3x2n, pata_samsung_cf and sata_rcar drivers, from Sergey.
* Some libata-sff and libata-scsi code cleanup (e.g. change functions
to return "bool"), from Sergey.
* Renae ahci_board_mobile to board_ahci_low_power to be more descriptive
of the feature as that is also used on PC and server AHCI adapters,
from Mario.
* Cleanup of OF match tables, from Geert.
* Simplify the pata_pxa driver initialization using platform_get_irq(),
from Minghao.
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Merge tag 'ata-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
"For this cycle, no big change but many small fixes and code cleanup to
libata, the ahci driver and various pata drivers. In more details:
- Code simplification in pata_platform using
platform_get_mem_or_io(), from Lad.
- Fix read-only arrays declarations as const in pata_atiixp and
pata_pdc202xx_old, from Colin.
- Various cleanups and code simplification in libata-scsi, from me.
- Remove dead code in libata-acpi, from Sergey.
- Skip device scan deboune delay for Marvell 88SE9235 adapters (ahci)
to speedup boot, from Paul.
- Simplify functions declaration and use for functions always
returning 0 in libata-core, from Sergey.
- Non-fatal error fixes and in the pata_hpt366 and pata_hpt3x2n
drivers, from Sergey.
- Various code cleanup in the pata_artop, pata_hpt37x, pata_hpt366,
pata_hpt3x2n, pata_samsung_cf and sata_rcar drivers, from Sergey.
- Some libata-sff and libata-scsi code cleanup (e.g. change functions
to return "bool"), from Sergey.
- Renae ahci_board_mobile to board_ahci_low_power to be more
descriptive of the feature as that is also used on PC and server
AHCI adapters, from Mario.
- Cleanup of OF match tables, from Geert.
- Simplify the pata_pxa driver initialization using
platform_get_irq(), from Minghao"
* tag 'ata-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (38 commits)
ata: pata_pxa: Use platform_get_irq() to get the interrupt
ata: Drop commas after OF match table sentinels
ata: ahci: Rename CONFIG_SATA_LPM_MOBILE_POLICY configuration item
ata: ahci: Rename `AHCI_HFLAG_IS_MOBILE`
ata: ahci: Rename board_ahci_mobile
ata: pata_hpt37x: merge transfer mode setting methods
ata: libata-sff: use *switch* statement in ata_sff_dev_classify()
ata: add/use ata_taskfile::{error|status} fields
ata: Kconfig: fix sata gemini compile test condition
ata: libata-scsi: use *switch* statements to check SCSI command codes
ata: libata-sff: refactor ata_sff_altstatus()
ata: libata-sff: refactor ata_sff_set_devctl()
ata: libata-sff: make ata_resources_present() return 'bool'
ata: pata_hpt3x2n: disable fast interrupts in prereset() method
ata: pata_hpt37x: disable fast interrupts in prereset() method
ata: pata_hpt366: disable fast interrupts in prereset() method
ata: pata_mpc52xx: use GFP_KERNEL
ata: sata_rcar: drop unused #define's
ata: pata_hpt366: check channel enable bits
ata: sata_rcar: make sata_rcar_ata_devchk() return 'bool'
...
Update the arch_prctl test to check the permission bitmap whether the
requested feature is added as expected or not.
Every non-dynamic feature that is enabled is permitted already for use.
TILECFG is not dynamic feature. Ensure the bit is always on from
ARCH_GET_XCOMP_PERM.
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20220129173647.27981-3-chang.seok.bae@intel.com
ARCH_REQ_XCOMP_PERM is supposed to add the requested feature to the
permission bitmap of thread_group_leader()->fpu. But the code overwrites
the bitmap with the requested feature bit only rather than adding it.
Fix the code to add the requested feature bit to the master bitmask.
Fixes: db8268df09 ("x86/arch_prctl: Add controls for dynamic XSTATE components")
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Paolo Bonzini <bonzini@gnu.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220129173647.27981-2-chang.seok.bae@intel.com
The bug is here:
if (!tcon) {
resched = true;
list_del_init(&ses->rlist);
cifs_put_smb_ses(ses);
Because the list_for_each_entry() never exits early (without any
break/goto/return inside the loop), the iterator 'ses' after the
loop will always be an pointer to a invalid struct containing the
HEAD (&pserver->smb_ses_list). As a result, the uses of 'ses' above
will lead to a invalid memory access.
The original intention should have been to walk each entry 'ses' in
'&tmp_ses_list', delete '&ses->rlist' and put 'ses'. So fix it with
a list_for_each_entry_safe().
Cc: stable@vger.kernel.org # 5.17
Fixes: 3663c9045f ("cifs: check reconnects for channels of active tcons too")
Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
There is no need to store the fids as le64 integers as they are opaque
to the client and only used for equality.
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Tom Talpey <tom@talpey.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
The client used to partially convert the fids to le64, while storing
or sending them by using host endianness. This broke the client on
big-endian machines. Instead of converting them to le64, store them
as opaque integers and then avoid byteswapping when sending them over
wire.
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This will reduce the number of Open/Close we send on the wire and replace
a Open/GetInfo/Close compound with just a simple GetInfo request
IF we have a cached handle for the object.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
and not in the callers.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
This KUnit update for Linux 5.18-rc1 consists of:
- changes to decrease macro layering string, integer, EQ/NE asserts
- remove unused macros
- several cleanups and fixes
- new list tests for list_del_init_careful(), list_is_head() and
list_entry_is_head()
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Merge tag 'linux-kselftest-kunit-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit updates from Shuah Khan:
- changes to decrease macro layering string, integer, EQ/NE asserts
- remove unused macros
- several cleanups and fixes
- new list tests for list_del_init_careful(), list_is_head() and
list_entry_is_head()
* tag 'linux-kselftest-kunit-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
list: test: Add a test for list_entry_is_head()
list: test: Add a test for list_is_head()
list: test: Add test for list_del_init_careful()
kunit: cleanup assertion macro internal variables
kunit: factor out str constants from binary assertion structs
kunit: consolidate KUNIT_INIT_BINARY_ASSERT_STRUCT macros
kunit: remove va_format from kunit_assert
kunit: tool: drop mostly unused KunitResult.result field
kunit: decrease macro layering for EQ/NE asserts
kunit: decrease macro layering for integer asserts
kunit: reduce layering in string assertion macros
kunit: drop unused intermediate macros for ptr inequality checks
kunit: make KUNIT_EXPECT_EQ() use KUNIT_EXPECT_EQ_MSG(), etc.
kunit: drop unused assert_type from kunit_assert and clean up macros
kunit: split out part of kunit_assert into a static const
kunit: factor out kunit_base_assert_format() call into kunit_fail()
kunit: drop unused kunit* field in kunit_assert
kunit: move check if assertion passed into the macros
kunit: add example test case showing off all the expect macros
This Kselftest test for Linux 5.18-rc1 consists of several build and
cleanup fixes.
- removing obsolete config options
- removing dependency on internal kernel macros
- adding config options
- several build fixes related to headers and install paths
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Merge tag 'linux-kselftest-next-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest updates from Shuah Khan:
"Several build and cleanup fixes:
- removing obsolete config options
- removing dependency on internal kernel macros
- adding config options
- several build fixes related to headers and install paths"
* tag 'linux-kselftest-next-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (22 commits)
selftests: Fix build when $(O) points to a relative path
selftests: netfilter: fix a build error on openSUSE
selftests: kvm: add generated file to the .gitignore
selftests/exec: add generated files to .gitignore
selftests: add kselftest_install to .gitignore
selftests/rtc: continuously read RTC in a loop for 30s
selftests/lkdtm: Add UBSAN config
selftests/lkdtm: Remove dead config option
selftests/exec: Rename file binfmt_script to binfmt_script.py
selftests: Use -isystem instead of -I to include headers
selftests: vm: remove dependecy from internal kernel macros
selftests: vm: Add the uapi headers include variable
selftests: mptcp: Add the uapi headers include variable
selftests: net: Add the uapi headers include variable
selftests: landlock: Add the uapi headers include variable
selftests: kvm: Add the uapi headers include variable
selftests: futex: Add the uapi headers include variable
selftests: Correct the headers install path
selftests: Add and export a kernel uapi headers path
selftests: set the BUILD variable to absolute path
...
Pull cgroup updates from Tejun Heo:
"All trivial cleanups without meaningful behavior changes"
* 'for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: cleanup comments
cgroup: Fix cgroup_can_fork() and cgroup_post_fork() kernel-doc comment
cgroup: rstat: retrieve current bstat to delta directly
cgroup: rstat: use same convention to assign cgroup_base_stat
Pull workqueue updates from Tejun Heo:
"Nothing major. Just follow-up cleanups from Lai after the earlier
synchronization simplification"
* 'for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Convert the type of pool->nr_running to int
workqueue: Use wake_up_worker() in wq_worker_sleeping() instead of open code
workqueue: Change the comments of the synchronization about the idle_list
workqueue: Remove the mb() pair between wq_worker_sleeping() and insert_work()
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Merge tag 'slab-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
- A few non-trivial SLUB code cleanups, most notably a refactoring of
deactivate_slab().
- A bunch of trivial changes, such as removal of unused parameters,
making stuff static, and employing helper functions.
* tag 'slab-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm: slub: Delete useless parameter of alloc_slab_page()
mm: slab: Delete unused SLAB_DEACTIVATED flag
mm/slub: remove forced_order parameter in calculate_sizes
mm/slub: refactor deactivate_slab()
mm/slub: limit number of node partial slabs only in cache creation
mm/slub: use helper macro __ATTR_XX_MODE for SLAB_ATTR(_RO)
mm/slab_common: use helper function is_power_of_2()
mm/slob: make kmem_cache_boot static
Commit f8669f1d6a ("nvdimm/blk: Delete the block-aperture window driver")
removes the file drivers/nvdimm/blk.c, but misses to adjust MAINTAINERS.
Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a
broken reference.
The section LIBNVDIMM BLK: MMIO-APERTURE DRIVER refers to the driver in
blk.c, and some more generic nvdimm code in region_devs.c.
As the driver is deleted, delete the section LIBNVDIMM BLK: MMIO-APERTURE
DRIVER in MAINTAINERS as well.
The remaining file region_devs.c is still covered by the section LIBNVDIMM:
NON-VOLATILE MEMORY DEVICE SUBSYSTEM, and all patches to region_devs.c will
still reach the same developers as before.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220316052133.26212-1-lukas.bulwahn@gmail.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The following build failure occurs when CONFIG_PERF_EVENTS is not set
as generic pmu functions are not visible in that scenario.
arch/powerpc/platforms/pseries/papr_scm.c:372:35: error: ‘struct perf_event’ has no member named ‘attr’
p->nvdimm_events_map[event->attr.config],
^~
In file included from ./include/linux/list.h:5,
from ./include/linux/kobject.h:19,
from ./include/linux/of.h:17,
from arch/powerpc/platforms/pseries/papr_scm.c:5:
arch/powerpc/platforms/pseries/papr_scm.c: In function ‘papr_scm_pmu_event_init’:
arch/powerpc/platforms/pseries/papr_scm.c:389:49: error: ‘struct perf_event’ has no member named ‘pmu’
struct nvdimm_pmu *nd_pmu = to_nvdimm_pmu(event->pmu);
^~
./include/linux/container_of.h:18:26: note: in definition of macro ‘container_of’
void *__mptr = (void *)(ptr); \
^~~
arch/powerpc/platforms/pseries/papr_scm.c:389:30: note: in expansion of macro ‘to_nvdimm_pmu’
struct nvdimm_pmu *nd_pmu = to_nvdimm_pmu(event->pmu);
^~~~~~~~~~~~~
In file included from ./include/linux/bits.h:22,
from ./include/linux/bitops.h:6,
from ./include/linux/of.h:15,
from arch/powerpc/platforms/pseries/papr_scm.c:5:
Fix the build issue by adding check for CONFIG_PERF_EVENTS config option
and also add stub function for papr_scm_pmu_register to handle
the CONFIG_PERF_EVENTS=n case. Also move the position of macro
"to_nvdimm_pmu" inorder to merge it in CONFIG_PERF_EVENTS=y block.
based on libnvdimm-for-next tree)
Fixes: 4c08d4bbc0 ("powerpc/papr_scm: Add perf interface support") (Commit id
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Link: https://lore.kernel.org/r/20220323164550.109768-2-kjain@linux.ibm.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The following build failure occurs when CONFIG_PERF_EVENTS is not set
as generic pmu functions are not visible in that scenario.
|-- s390-randconfig-r044-20220313
| |-- nd_perf.c:(.text):undefined-reference-to-perf_pmu_migrate_context
| |-- nd_perf.c:(.text):undefined-reference-to-perf_pmu_register
| `-- nd_perf.c:(.text):undefined-reference-to-perf_pmu_unregister
Similar build failure in nds32 architecture:
nd_perf.c:(.text+0x21e): undefined reference to `perf_pmu_migrate_context'
nd_perf.c:(.text+0x434): undefined reference to `perf_pmu_register'
nd_perf.c:(.text+0x57c): undefined reference to `perf_pmu_unregister'
Fix this issue by adding check for CONFIG_PERF_EVENTS config option
and disabling the nvdimm perf interface incase this config is not set.
Also remove function declaration of perf_pmu_migrate_context,
perf_pmu_register, perf_pmu_unregister functions from nd.h as these are
common pmu functions which are part of perf_event.h and since we
are disabling nvdimm perf interface incase CONFIG_PERF_EVENTS option
is not set, we not need to declare them in nd.h
Also move the platform_device header file addition part from nd.h to
nd_perf.c and add stub functions for register_nvdimm_pmu and
unregister_nvdimm_pmu functions to handle CONFIG_PERF_EVENTS=n
case.
Fixes: 0fab1ba6ad ("drivers/nvdimm: Add perf interface to expose nvdimm performance stats") (Commit id based on libnvdimm-for-next tree)
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Link: https://lore.kernel.org/all/62317124.YBQFU33+s%2FwdvWGj%25lkp@intel.com/
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20220323164550.109768-1-kjain@linux.ibm.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Stop using uie_unsupported and clear RTC_FEATURE_UPDATE_INTERRUPT instead.
Also the driver doesn't supports UIE because it doesn't handle interrupts
so set RTC_FEATURE_ALARM_WAKEUP_ONLY,.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-24-alexandre.belloni@bootlin.com
Some RTCs have an IRQ pin that is not connected to a CPU interrupt but
rather directly to a PMIC or power supply. In that case, it is still useful
to be able to set alarms but we shouldn't expect interrupts.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-22-alexandre.belloni@bootlin.com
The reference manual doesn't specify whether the registers are latched and
they probably aren't, ensure the read time and date are consistent.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220309162301.61679-21-alexandre.belloni@bootlin.com
Since commitc9f5c7e7a84f ("rtc: rtc-spear: Provide flag for no support of
UIE mode") which was in 2012, the core changed a lot and UIE are now
supported using regular alarms. Drop uie_unsupported now to reflect that.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220309162301.61679-20-alexandre.belloni@bootlin.com
