When CONFIG_EPOLL is not set/enabled, sys_oabi-compat.c has build
errors. Fix these by surrounding them with ifdef CONFIG_EPOLL/endif
and providing stubs for the "EPOLL is not set" case.
../arch/arm/kernel/sys_oabi-compat.c: In function 'sys_oabi_epoll_ctl':
../arch/arm/kernel/sys_oabi-compat.c:257:6: error: implicit declaration of function 'ep_op_has_event' [-Werror=implicit-function-declaration]
257 | if (ep_op_has_event(op) &&
| ^~~~~~~~~~~~~~~
../arch/arm/kernel/sys_oabi-compat.c:264:9: error: implicit declaration of function 'do_epoll_ctl'; did you mean 'sys_epoll_ctl'? [-Werror=implicit-function-declaration]
264 | return do_epoll_ctl(epfd, op, fd, &kernel, false);
| ^~~~~~~~~~~~
Fixes: c281634c86 ("ARM: compat: remove KERNEL_DS usage in sys_oabi_epoll_ctl()")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com> # from an lkp .config file
Cc: linux-arm-kernel@lists.infradead.org
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: patches@armlinux.org.uk
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Instead of assigning the needed functions for each driver separately do it
only once in amba_bustype. Move the definition of the functions to their
proper place among the other callbacks used there. Note that the bus's
shutdown function might be called for unbound devices, too, so it needs
additional guarding.
This prepares getting rid of these callbacks in struct device_driver.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210126165835.687514-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Consider an amba driver with a .probe but without a .remove callback (e.g.
pl061_gpio_driver). The function amba_probe() is called to bind a device
and so dev_pm_domain_attach() and others are called. As there is no remove
callback amba_remove() isn't called at unbind time however and so calling
dev_pm_domain_detach() is missed and the pm domain keeps active.
To fix this always use the core driver callbacks and handle missing amba
callbacks there. For probe refuse registration as a driver without probe
doesn't make sense.
Fixes: 7cfe249475 ("ARM: AMBA: Add pclk support to AMBA bus infrastructure")
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210126165835.687514-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
ARM has recently supported KASAN, so I think that it's time to add
KASAN regions for PTDUMP on ARM.
This patch has been tested with QEMU + vexpress-a15. Both
CONFIG_ARM_LPAE and no CONFIG_ARM_LPAE.
The result after patching looks like this:
---[ Kasan shadow start ]---
0x6ee00000-0x7af00000 193M RW NX SHD MEM/CACHED/WBWA
0x7b000000-0x7f000000 64M ro NX SHD MEM/CACHED/WBWA
---[ Kasan shadow end ]---
---[ Modules ]---
---[ Kernel Mapping ]---
......
---[ vmalloc() Area ]---
......
---[ vmalloc() End ]---
---[ Fixmap Area ]---
---[ Vectors ]---
......
---[ Vectors End ]---
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Hailong liu <liu.hailong6@zte.com.cn>
Signed-off-by: Hailong liu <carver4lio@163.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
The vdso linker script is prepocessed on demand. Adding it to 'targets'
is enough, and line 13 of this Makefile does that. This extra-y addition
is unneeded.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Currently ARCH_HAVE_NMI_SAFE_CMPXCHG is not set on Arm systems and this
makes it impossible to enable features such as ftrace histogram triggers
on Arm platforms.
Most Arm systems are NMI safe simply because there is no NMI but this isn't
universally true meaning we cannot set ARCH_HAVE_NMI_SAFE_CMPXCHG for all
Arm devices. However the load/store exclusive implementation of cmpxchg is
NMI-safe and this implementation is used ARMv6k and later. Let's select
ARCH_HAVE_NMI_SAFE_CMPXCHG for these systems.
Note that ARMv6 uses load/store exclusive for 32-bit cmpxchg but relies on
interrupt masking for 8- and 16-bit operations. This patch is conservative
and does not change behaviour for CPU_V6.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Not used anymore after refactoring:
arch/arm/kernel/smp.c: In function ‘show_ipi_list’:
arch/arm/kernel/smp.c:543:16: warning: variable ‘irq’ set but not used [-Wunused-but-set-variable]
543 | unsigned int irq;
Fixes: 88c637748e ("ARM: smp: Use irq_desc_kstat_cpu() in show_ipi_list()")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
It was observed that decompressor running on hardware implementing ARM v8.2
Load/Store Multiple Atomicity and Ordering Control (LSMAOC), say, as guest,
would stuck just after:
Uncompressing Linux... done, booting the kernel.
The reason is that it clears nTLSMD bit when disabling caches:
nTLSMD, bit [3]
When ARMv8.2-LSMAOC is implemented:
No Trap Load Multiple and Store Multiple to
Device-nGRE/Device-nGnRE/Device-nGnRnE memory.
0b0 All memory accesses by A32 and T32 Load Multiple and Store
Multiple at EL1 or EL0 that are marked at stage 1 as
Device-nGRE/Device-nGnRE/Device-nGnRnE memory are trapped and
generate a stage 1 Alignment fault.
0b1 All memory accesses by A32 and T32 Load Multiple and Store
Multiple at EL1 or EL0 that are marked at stage 1 as
Device-nGRE/Device-nGnRE/Device-nGnRnE memory are not trapped.
This bit is permitted to be cached in a TLB.
This field resets to 1.
Otherwise:
Reserved, RES1
So as effect we start getting traps we are not quite ready for.
Looking into history it seems that mask used for SCTLR clear came from
the similar code for ARMv4, where bit[3] is the enable/disable bit for
the write buffer. That not applicable to ARMv7 and onwards, so retire
that bit from the masks.
Fixes: 7d09e85448 ("[ARM] 4393/2: ARMv7: Add uncompressing code for the new CPU Id format")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Currently, the start address of physical memory is obtained by masking
the program counter with a fixed mask of 0xf8000000. This mask value
was chosen as a balance between the requirements of different platforms.
However, this does require that the start address of physical memory is
a multiple of 128 MiB, precluding booting Linux on platforms where this
requirement is not fulfilled.
Fix this limitation by validating the masked address against the memory
information in the passed DTB. Only use the start address
from DTB when masking would yield an out-of-range address, prefer the
traditional method in all other cases. Note that this applies only to the
explicitly passed DTB on modern systems, and not to a DTB appended to
the kernel, or to ATAGS. The appended DTB may need to be augmented by
information from ATAGS, which may need to rely on knowledge of the start
address of physical memory itself.
This allows to boot Linux on r7s9210/rza2mevb using the 64 MiB of SDRAM
on the RZA2MEVB sub board, which is located at 0x0C000000 (CS3 space),
i.e. not at a multiple of 128 MiB.
Suggested-by: Nicolas Pitre <nico@fluxnic.net>
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Update the sti platform LL_UART support to rely on
CONFIG_DEBUG_UART_PHYS and CONFIG_DEBUG_UART_VIRT from Kconfig
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Take the 4 instruction byte swapping sequence from the decompressor's
head.S, and turn it into a rev_l GAS macro for general use. While
at it, make it use the 'rev' instruction when compiling for v6 or
later.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Since commit 36e2c7421f ("fs: don't allow splice read/write without
explicit ops") we've required that file operation structures explicitly
enable splice support, rather than falling back to the default handlers.
Most /proc files use the indirect 'struct proc_ops' to describe their
file operations, and were fixed up to support splice earlier in commits
40be821d627c..b24c30c67863, but the mountinfo files interact with the
VFS directly using their own 'struct file_operations' and got missed as
a result.
This adds the necessary support for splice to work for /proc/*/mountinfo
and friends.
Reported-by: Joan Bruguera Micó <joanbrugueram@gmail.com>
Reported-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209971
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull NTB fixes from Jon Mason:
"Bug fix for IDT NTB and Intel NTB LTR management support"
* tag 'ntb-5.11' of git://github.com/jonmason/ntb:
ntb: intel: add Intel NTB LTR vendor support for gen4 NTB
ntb: idt: fix error check in ntb_hw_idt.c
Pull crypto fixes from Herbert Xu:
"Fix a number of autobuild failures due to missing Kconfig
dependencies"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: qat - add CRYPTO_AES to Kconfig dependencies
crypto: keembay - Add dependency on HAS_IOMEM
crypto: keembay - CRYPTO_DEV_KEEMBAY_OCS_AES_SM4 should depend on ARCH_KEEMBAY
Pull objtool fix from Ingo Molnar:
"Fix a segfault that occurs when built with Clang"
* tag 'objtool-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix seg fault with Clang non-section symbols
Pull timer fixes from Ingo Molnar:
"Update/fix two CPU sanity checks in the hotplug and the boot code, and
fix a typo in the Kconfig help text.
[ Context: the first two commits are the result of an ongoing
annotation+review work of (intentional) tick_do_timer_cpu() data
races reported by KCSAN, but the annotations aren't fully cooked
yet ]"
* tag 'timers-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timekeeping: Fix spelling mistake in Kconfig "fullfill" -> "fulfill"
tick/sched: Remove bogus boot "safety" check
tick: Remove pointless cpu valid check in hotplug code
Pull scheduler fix from Ingo Molnar:
"Fix a context switch performance regression"
* tag 'sched-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Optimize finish_lock_switch()
Commit c9a3c4e637 ("mfd: ab8500-debugfs: Remove extraneous curly
brace") removed a left-over curly brace that caused build failures, but
Joe Perches points out that the subsequent 'seq_putc()' should also be
removed, because the commit that caused all these problems already added
the final '\n' to the seq_printf() above it.
Reported-by: Joe Perches <joe@perches.com>
Fixes: 886c812165 ("mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc")
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull PCI fixes from Bjorn Helgaas:
- Fix a tegra enumeration regression (Rob Herring)
- Fix a designware-host check that warned on *success*, not failure
(Alexander Lobakin)
* tag 'pci-v5.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: dwc: Fix inverted condition of DMA mask setup warning
PCI: tegra: Fix host link initialization
Clang errors:
drivers/mfd/ab8500-debugfs.c:1526:2: error: non-void function does not return a value [-Werror,-Wreturn-type]
}
^
drivers/mfd/ab8500-debugfs.c:1528:2: error: expected identifier or '('
return 0;
^
drivers/mfd/ab8500-debugfs.c:1529:1: error: extraneous closing brace ('}')
}
^
3 errors generated.
The cleanup in ab8500_interrupts_show left a curly brace around, remove
it to fix the error.
Fixes: 886c812165 ("mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 660c486590 ("PCI: dwc: Set 32-bit DMA mask for MSI target address
allocation") added dma_mask_set() call to explicitly set 32-bit DMA mask
for MSI message mapping, but for now it throws a warning on ret == 0, while
dma_set_mask() returns 0 in case of success.
Fix this by inverting the condition.
[bhelgaas: join string to make it greppable]
Fixes: 660c486590 ("PCI: dwc: Set 32-bit DMA mask for MSI target address allocation")
Link: https://lore.kernel.org/r/20201222150708.67983-1-alobakin@pm.me
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Commit b9ac0f9dc8 ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common
code") broke enumeration of downstream devices on Tegra:
In non-working case (next-20201211):
0001:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad2 (rev a1)
0001:01:00.0 SATA controller: Marvell Technology Group Ltd. Device 9171 (rev 13)
0005:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad0 (rev a1)
In working case (v5.10-rc7):
0001:00:00.0 PCI bridge: Molex Incorporated Device 1ad2 (rev a1)
0001:01:00.0 SATA controller: Marvell Technology Group Ltd. Device 9171 (rev 13)
0005:00:00.0 PCI bridge: Molex Incorporated Device 1ad0 (rev a1)
0005:01:00.0 PCI bridge: PLX Technology, Inc. Device 3380 (rev ab)
0005:02:02.0 PCI bridge: PLX Technology, Inc. Device 3380 (rev ab)
0005:03:00.0 USB controller: PLX Technology, Inc. Device 3380 (rev ab)
The problem seems to be dw_pcie_setup_rc() is now called twice before and
after the link up handling. The fix is to move Tegra's link up handling to
.start_link() function like other DWC drivers. Tegra is a bit more
complicated than others as it re-inits the whole DWC controller to retry
the link. With this, the initialization ordering is restored to match the
prior sequence.
Fixes: b9ac0f9dc8 ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common code")
Link: https://lore.kernel.org/r/20201218143905.1614098-1-robh@kernel.org
Reported-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Tested-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Vidya Sagar <vidyas@nvidia.com>
clang (quite rightly) complains fairly loudly about the newly added
mpc1_get_mpc_out_mux() function returning an uninitialized value if the
'opp_id' checks don't pass.
This may not happen in practice, but the code really shouldn't return
garbage if the sanity checks don't pass.
So just initialize 'val' to zero to avoid the issue.
Fixes: 110b055b28 ("drm/amd/display: add getter routine to retrieve mpcc mux")
Cc: Josip Pavic <Josip.Pavic@amd.com>
Cc: Bindu Ramamurthy <bindu.r@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull more perf tools updates from Arnaldo Carvalho de Melo:
- Refactor 'perf stat' per CPU/socket/die/thread aggregation fixing use
cases in ARM machines.
- Fix memory leak when synthesizing SDT probes in 'perf probe'.
- Update kernel header copies related to KVM, epol_pwait. msr-index and
powerpc and s390 syscall tables.
* tag 'perf-tools-2020-12-24' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (24 commits)
perf probe: Fix memory leak when synthesizing SDT probes
perf stat aggregation: Add separate thread member
perf stat aggregation: Add separate core member
perf stat aggregation: Add separate die member
perf stat aggregation: Add separate socket member
perf stat aggregation: Add separate node member
perf stat aggregation: Start using cpu_aggr_id in map
perf cpumap: Drop in cpu_aggr_map struct
perf cpumap: Add new map type for aggregation
perf stat: Replace aggregation ID with a struct
perf cpumap: Add new struct for cpu aggregation
perf cpumap: Use existing allocator to avoid using malloc
perf tests: Improve topology test to check all aggregation types
perf tools: Update s390's syscall.tbl copy from the kernel sources
perf tools: Update powerpc's syscall.tbl copy from the kernel sources
perf s390: Move syscall.tbl check into check-headers.sh
perf powerpc: Move syscall.tbl check to check-headers.sh
tools headers UAPI: Synch KVM's svm.h header with the kernel
tools kvm headers: Update KVM headers from the kernel sources
tools headers UAPI: Sync KVM's vmx.h header with the kernel sources
...
Pull coccinelle updates from Julia Lawall.
* 'for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
scripts: coccicheck: Correct usage of make coccicheck
coccinelle: update expiring email addresses
coccinnelle: Remove ptr_ret script
kbuild: do not use scripts/ld-version.sh for checking spatch version
remove boolinit.cocci
Commit 64a1b95bb9 ("genirq: Restrict export of irq_to_desc()") removed
the export of irq_to_desc() unless powerpc KVM is being built, because
there is still a use of irq_to_desc() in modular code there.
However it used:
#ifdef CONFIG_KVM_BOOK3S_64_HV
Which doesn't work when that symbol is =m, leading to a build failure:
ERROR: modpost: "irq_to_desc" [arch/powerpc/kvm/kvm-hv.ko] undefined!
Fix it by checking for the definedness of the correct symbol which is
CONFIG_KVM_BOOK3S_64_HV_MODULE.
Fixes: 64a1b95bb9 ("genirq: Restrict export of irq_to_desc()")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull misc vfs updates from Al Viro:
"Assorted patches from previous cycle(s)..."
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix hostfs_open() use of ->f_path.dentry
Make sure that make_create_in_sticky() never sees uninitialized value of dir_mode
fs: Kill DCACHE_DONTCACHE dentry even if DCACHE_REFERENCED is set
fs: Handle I_DONTCACHE in iput_final() instead of generic_drop_inode()
fs/namespace.c: WARN if mnt_count has become negative
Pull documentation fixes from Jonathan Corbet:
"A small set of late-arriving, small documentation fixes"
* tag 'docs-5.11-2' of git://git.lwn.net/linux:
docs: admin-guide: Fix default value of max_map_count in sysctl/vm.rst
Documentation/submitting-patches: Document the SoB chain
Documentation: process: Correct numbering
docs: submitting-patches: Trivial - fix grammatical error
Pull ext4 updates from Ted Ts'o:
"Various bug fixes and cleanups for ext4; no new features this cycle"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (29 commits)
ext4: remove unnecessary wbc parameter from ext4_bio_write_page
ext4: avoid s_mb_prefetch to be zero in individual scenarios
ext4: defer saving error info from atomic context
ext4: simplify ext4 error translation
ext4: move functions in super.c
ext4: make ext4_abort() use __ext4_error()
ext4: standardize error message in ext4_protect_reserved_inode()
ext4: remove redundant sb checksum recomputation
ext4: don't remount read-only with errors=continue on reboot
ext4: fix deadlock with fs freezing and EA inodes
jbd2: add a helper to find out number of fast commit blocks
ext4: make fast_commit.h byte identical with e2fsprogs/fast_commit.h
ext4: fix fall-through warnings for Clang
ext4: add docs about fast commit idempotence
ext4: remove the unused EXT4_CURRENT_REV macro
ext4: fix an IS_ERR() vs NULL check
ext4: check for invalid block size early when mounting a file system
ext4: fix a memory leak of ext4_free_data
ext4: delete nonsensical (commented-out) code inside ext4_xattr_block_set()
ext4: update ext4_data_block_valid related comments
...
Pull smack fix from Casey Schaufler:
"Provide a fix for the incorrect handling of privilege in the face of
io_uring's use of kernel threads. That invalidated an long standing
assumption regarding the privilege of kernel threads.
The fix is simple and safe. It was provided by Jens Axboe and has been
tested"
* tag 'Smack-for-5.11-io_uring-fix' of git://github.com/cschaufler/smack-next:
Smack: Handle io_uring kernel thread privileges
Pull RISC-V fix from Palmer Dabbelt
"Avoid trying to initialize memory regions outside the usable range"
* tag 'riscv-for-linus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: Fix usage of memblock_enforce_memory_limit
Pull powerpc fixes from Michael Ellerman:
- Four commits fixing various things in the new C VDSO code
- One fix for a 32-bit VMAP stack bug
- Two minor build fixes
Thanks to Cédric Le Goater, Christophe Leroy, and Will Springer.
* tag 'powerpc-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/32: Fix vmap stack - Properly set r1 before activating MMU on syscall too
powerpc/vdso: Fix DOTSYM for 32-bit LE VDSO
powerpc/vdso: Don't pass 64-bit ABI cflags to 32-bit VDSO
powerpc/vdso: Block R_PPC_REL24 relocations
powerpc/smp: Add __init to init_big_cores()
powerpc/time: Force inlining of get_tb()
powerpc/boot: Fix build of dts/fsl
Pull irq updates from Thomas Gleixner:
"This is the second attempt after the first one failed miserably and
got zapped to unblock the rest of the interrupt related patches.
A treewide cleanup of interrupt descriptor (ab)use with all sorts of
racy accesses, inefficient and disfunctional code. The goal is to
remove the export of irq_to_desc() to prevent these things from
creeping up again"
* tag 'irq-core-2020-12-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
genirq: Restrict export of irq_to_desc()
xen/events: Implement irq distribution
xen/events: Reduce irq_info:: Spurious_cnt storage size
xen/events: Only force affinity mask for percpu interrupts
xen/events: Use immediate affinity setting
xen/events: Remove disfunct affinity spreading
xen/events: Remove unused bind_evtchn_to_irq_lateeoi()
net/mlx5: Use effective interrupt affinity
net/mlx5: Replace irq_to_desc() abuse
net/mlx4: Use effective interrupt affinity
net/mlx4: Replace irq_to_desc() abuse
PCI: mobiveil: Use irq_data_get_irq_chip_data()
PCI: xilinx-nwl: Use irq_data_get_irq_chip_data()
NTB/msi: Use irq_has_action()
mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc
pinctrl: nomadik: Use irq_has_action()
drm/i915/pmu: Replace open coded kstat_irqs() copy
drm/i915/lpe_audio: Remove pointless irq_to_desc() usage
s390/irq: Use irq_desc_kstat_cpu() in show_msi_interrupt()
parisc/irq: Use irq_desc_kstat_cpu() in show_interrupts()
...
Pull EFI updates from Borislav Petkov:
"These got delayed due to a last minute ia64 build issue which got
fixed in the meantime.
EFI updates collected by Ard Biesheuvel:
- Don't move BSS section around pointlessly in the x86 decompressor
- Refactor helper for discovering the EFI secure boot mode
- Wire up EFI secure boot to IMA for arm64
- Some fixes for the capsule loader
- Expose the RT_PROP table via the EFI test module
- Relax DT and kernel placement restrictions on ARM
with a few followup fixes:
- fix the build breakage on IA64 caused by recent capsule loader
changes
- suppress a type mismatch build warning in the expansion of
EFI_PHYS_ALIGN on ARM"
* tag 'efi_updates_for_v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: arm: force use of unsigned type for EFI_PHYS_ALIGN
efi: ia64: disable the capsule loader
efi: stub: get rid of efi_get_max_fdt_addr()
efi/efi_test: read RuntimeServicesSupported
efi: arm: reduce minimum alignment of uncompressed kernel
efi: capsule: clean scatter-gather entries from the D-cache
efi: capsule: use atomic kmap for transient sglist mappings
efi: x86/xen: switch to efi_get_secureboot_mode helper
arm64/ima: add ima_arch support
ima: generalize x86/EFI arch glue for other EFI architectures
efi: generalize efi_get_secureboot
efi/libstub: EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER should not default to yes
efi/x86: Only copy the compressed kernel image in efi_relocate_kernel()
efi/libstub/x86: simplify efi_is_native()
Pull io_uring fixes from Jens Axboe:
"All straight fixes, or a prep patch for a fix, either bound for stable
or fixing issues from this merge window. In particular:
- Fix new shutdown op not breaking links on failure
- Hold mm->mmap_sem for mm->locked_vm manipulation
- Various cancelation fixes (me, Pavel)
- Fix error path potential double ctx free (Pavel)
- IOPOLL fixes (Xiaoguang)"
* tag 'io_uring-5.11-2020-12-23' of git://git.kernel.dk/linux-block:
io_uring: hold uring_lock while completing failed polled io in io_wq_submit_work()
io_uring: fix double io_uring free
io_uring: fix ignoring xa_store errors
io_uring: end waiting before task cancel attempts
io_uring: always progress task_work on task cancel
io-wq: kill now unused io_wq_cancel_all()
io_uring: make ctx cancel on exit targeted to actual ctx
io_uring: fix 0-iov read buffer select
io_uring: close a small race gap for files cancel
io_uring: fix io_wqe->work_list corruption
io_uring: limit {io|sq}poll submit locking scope
io_uring: inline io_cqring_mark_overflow()
io_uring: consolidate CQ nr events calculation
io_uring: remove racy overflow list fast checks
io_uring: cancel reqs shouldn't kill overflow list
io_uring: hold mmap_sem for mm->locked_vm manipulation
io_uring: break links on shutdown failure
Pull block fixes from Jens Axboe:
"A few stragglers in here, but mostly just straight fixes. In
particular:
- Set of rnbd fixes for issues around changes for the merge window
(Gioh, Jack, Md Haris Iqbal)
- iocost tracepoint addition (Baolin)
- Copyright/maintainers update (Christoph)
- Remove old blk-mq fast path CPU warning (Daniel)
- loop max_part fix (Josh)
- Remote IPI threaded IRQ fix (Sebastian)
- dasd stable fixes (Stefan)
- bcache merge window fixup and style fixup (Yi, Zheng)"
* tag 'block-5.11-2020-12-23' of git://git.kernel.dk/linux-block:
md/bcache: convert comma to semicolon
bcache:remove a superfluous check in register_bcache
block: update some copyrights
block: remove a pointless self-reference in block_dev.c
MAINTAINERS: add fs/block_dev.c to the block section
blk-mq: Don't complete on a remote CPU in force threaded mode
s390/dasd: fix list corruption of lcu list
s390/dasd: fix list corruption of pavgroup group list
s390/dasd: prevent inconsistent LCU device data
s390/dasd: fix hanging device offline processing
blk-iocost: Add iocg idle state tracepoint
nbd: Respect max_part for all partition scans
block/rnbd-clt: Does not request pdu to rtrs-clt
block/rnbd-clt: Dynamically allocate sglist for rnbd_iu
block/rnbd: Set write-back cache and fua same to the target device
block/rnbd: Fix typos
block/rnbd-srv: Protect dev session sysfs removal
block/rnbd-clt: Fix possible memleak
block/rnbd-clt: Get rid of warning regarding size argument in strlcpy
blk-mq: Remove 'running from the wrong CPU' warning
Pull libnvdimm updates from Dan Williams:
"Twas the day before Christmas and the only thing stirring in libnvdimm
/ device-dax land is a pile of miscellaneous fixups and cleanups.
The bulk of it has appeared in -next save the last two patches to
device-dax that have passed my build and unit tests.
- Fix a long standing block-window-namespace issue surfaced by the
ndctl change to attempt to preserve the kernel device name over
a 'reconfigure'
- Fix a few error path memory leaks in nfit and device-dax
- Silence a smatch warning in the ioctl path
- Miscellaneous cleanups"
* tag 'libnvdimm-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: Avoid an unnecessary check in alloc_dev_dax_range()
device-dax: Fix range release
device-dax: delete a redundancy check in dev_dax_validate_align()
libnvdimm/label: Return -ENXIO for no slot in __blk_label_update
device-dax/core: Fix memory leak when rmmod dax.ko
device-dax/pmem: Convert comma to semicolon
libnvdimm: Cleanup include of badblocks.h
ACPI: NFIT: Fix input validation of bus-family
libnvdimm/namespace: Fix reaping of invalidated block-window-namespace labels
ACPI/nfit: avoid accessing uninitialized memory in acpi_nfit_ctl()
