When CONFIG_XPA is enabled, Clang warns:
arch/mips/mm/tlbex.c:629:24: error: converting the result of '<<' to a boolean; did you mean '(1 << _PAGE_NO_EXEC_SHIFT) != 0'? [-Werror,-Wint-in-bool-context]
if (cpu_has_rixi && !!_PAGE_NO_EXEC) {
^
arch/mips/include/asm/pgtable-bits.h:174:28: note: expanded from macro '_PAGE_NO_EXEC'
# define _PAGE_NO_EXEC (1 << _PAGE_NO_EXEC_SHIFT)
^
arch/mips/mm/tlbex.c:2568:24: error: converting the result of '<<' to a boolean; did you mean '(1 << _PAGE_NO_EXEC_SHIFT) != 0'? [-Werror,-Wint-in-bool-context]
if (!cpu_has_rixi || !_PAGE_NO_EXEC) {
^
arch/mips/include/asm/pgtable-bits.h:174:28: note: expanded from macro '_PAGE_NO_EXEC'
# define _PAGE_NO_EXEC (1 << _PAGE_NO_EXEC_SHIFT)
^
2 errors generated.
_PAGE_NO_EXEC can be '0' or '1 << _PAGE_NO_EXEC_SHIFT' depending on the
build and runtime configuration, which is what the negation operators
are trying to convey. To silence the warning, explicitly compare against
0 so the result of the '<<' operator is not implicitly converted to a
boolean.
According to its documentation, GCC enables -Wint-in-bool-context with
-Wall but this warning is not visible when building the same
configuration with GCC. It appears GCC only warns when compiling C++,
not C, although the documentation makes no note of this:
https://godbolt.org/z/x39q3brxf
Reported-by: Sudip Mukherjee (Codethink) <sudipm.mukherjee@gmail.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This reverts commit e98b461bb0.
We actually have been using the CONFIG_CAVIUM_RESERVE32 and previous patch
defined it in the corresponding Kconfig.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This options is used to reserve a shared memory region for user processes
to use for hardware memory buffers. The actual code to support the option
comes in the following patch.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Rearrange kernel-doc notation for 2 functions to eliminate
kernel-doc warnings. Use Return: notation for the function
return value description. Add function short descriptions
for both functions.
Correct 2 typos.
Fixes these kernel-doc warnings:
msi-octeon.c:49: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Called when a driver request MSI interrupts instead of the
msi-octeon.c:49: warning: missing initial short description on line:
* Called when a driver request MSI interrupts instead of the
msi-octeon.c:62: warning: No description found for return value of 'arch_setup_msi_irq'
msi-octeon.c:189: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Called when a device no longer needs its MSI interrupts. All
msi-octeon.c:189: warning: missing initial short description on line:
* Called when a device no longer needs its MSI interrupts. All
Fixes: e8635b484f ("MIPS: Add Cavium OCTEON PCI support.")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Aditya Srivastava <yashsri421@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Fix the typo `s/that that/than that/' in line 72.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
If we were not specified a correct DTB, we will not be able to print
anything useful with panic() which requires a working console of some
sort. Utilize cfe_die() to callback into the CFE default UART and print
some useful diagnostics.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Add a cfe_die() implementation which is useful when the kernel does an
early panic and no console is registered. This allows us to print
useful diagnostics such as an invalid DTB having been
configured/selected.
Since the BMIPS_GENERIC kernel can be built with support for multiple
processors, we need to do a runtime determination of the type of CPU
that we are executing on to perform the appropriate XKS01 disabling.
Since cfe_init() + cfe_die() could be conceivably called at very early
stages of the kernel boot, before cpu_probe(), we do not rely on the
structure(s) populated by cpu_probe().
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
It is permissible for kernel code to call virt_to_phys() against virtual
addresses that are in KSEG0 or KSEG1 and we need to be dealing with both
types. Rewrite the test condition to ensure that the kernel virtual
addresses are above PAGE_OFFSET which they must be, and below KSEG2
where the non-linear mapping starts.
For EVA, there is not much that we can do given the linear address range
that is offered, so just return any virtual address as being valid.
Finally, when HIGHMEM is not enabled, all virtual addresses are assumed
to be valid as well.
Fixes: dfad83cb71 ("MIPS: Add support for CONFIG_DEBUG_VIRTUAL")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Add support for the Netgear WNR3500L v2 router based on the BCM47186
chipset and supporting 802.11n Wi-Fi.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
The node names should be generic and DT schema expects certain pattern
(e.g. with key/button/switch).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
gpio-keys children do not use unit addresses.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
The implementation is exactly the same, so avoid open-coding it in two
different locations.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
The GIC user offset is mapped into every process' virtual address and is
therefore part of the hot-path of arch_setup_additional_pages(). Utilize
__pa() such that we are more optimal even when CONFIG_DEBUG_VIRTUAL is
enabled, and while at it utilize PFN_DOWN() instead of open-coding the
right shift by PAGE_SHIFT.
Reported-by: Greg Ungerer <gerg@kernel.org>
Suggested-by: Serge Semin <fancer.lancer@gmail.com>
Fixes: dfad83cb71 ("MIPS: Add support for CONFIG_DEBUG_VIRTUAL")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Greg Ungerer <gerg@kernel.org>
Tested-by: Greg Ungerer <gerg@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Use bitmap_zalloc() instead of hand-writing them.
It is less verbose and it improves the semantic.
While at it, turn a bitmap_clear() into an equivalent bitmap_zero(). It is
also less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.
It is less verbose and it improves the semantic.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
prom_init_numa_memory() is annotated __init and not used by any module,
thus don't export it.
Remove not needed EXPORT_SYMBOL for prom_init_numa_memory() to fix the
following section mismatch warning:
LD vmlinux.o
MODPOST vmlinux.symvers
WARNING: modpost: vmlinux.o(___ksymtab+prom_init_numa_memory+0x0): Section mismatch in reference
from the variable __ksymtab_prom_init_numa_memory to the function .init.text:prom_init_numa_memory()
The symbol prom_init_numa_memory is exported and annotated __init
Fix this by removing the __init annotation of prom_init_numa_memory or drop the export.
This is build on Linux 5.19-rc4.
Fixes: 6fbde6b492 ("MIPS: Loongson64: Move files to the top-level directory")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
We should call of_node_put() for the reference 'uctl_node' returned by
of_get_parent() which will increase the refcount. Otherwise, there will
be a refcount leak bug.
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
file: ./arch/mips/alchemy/devboards/pm.c
line: 20
* sources and configure the timeout after which the the TOYMATCH2 irq
changed to
* sources and configure the timeout after which the TOYMATCH2 irq
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
There is an info message with an extraneous leading space. Remove it.
Also rename pci to PCI.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
The remove callback is only called by the driver core if there is a
driver to unbind, so there is no need to check dev->driver to be
non-NULL.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Maintainers of the directory Documentation/devicetree/bindings/mips
are also the maintainers of the corresponding directory
include/dt-bindings/mips.
Add the file entry for include/dt-bindings/mips to the appropriate
section in MAINTAINERS.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Looking at the conditional lock acquire functions in the kernel due to
the new sparse support (see commit 4a557a5d1a "sparse: introduce
conditional lock acquire function attribute"), it became obvious that
the lockref code has a couple of them, but they don't match the usual
naming convention for the other ones, and their return value logic is
also reversed.
In the other very similar places, the naming pattern is '*_and_lock()'
(eg 'atomic_put_and_lock()' and 'refcount_dec_and_lock()'), and the
function returns true when the lock is taken.
The lockref code is superficially very similar to the refcount code,
only with the special "atomic wrt the embedded lock" semantics. But
instead of the '*_and_lock()' naming it uses '*_or_lock()'.
And instead of returning true in case it took the lock, it returns true
if it *didn't* take the lock.
Now, arguably the reflock code is quite logical: it really is a "either
decrement _or_ lock" kind of situation - and the return value is about
whether the operation succeeded without any special care needed.
So despite the similarities, the differences do make some sense, and
maybe it's not worth trying to unify the different conditional locking
primitives in this area.
But while looking at this all, it did become obvious that the
'lockref_get_or_lock()' function hasn't actually had any users for
almost a decade.
The only user it ever had was the shortlived 'd_rcu_to_refcount()'
function, and it got removed and replaced with 'lockref_get_not_dead()'
back in 2013 in commits 0d98439ea3 ("vfs: use lockred 'dead' flag to
mark unrecoverably dead dentries") and e5c832d555 ("vfs: fix dentry
RCU to refcounting possibly sleeping dput()")
In fact, that single use was removed less than a week after the whole
function was introduced in commit b3abd80250 ("lockref: add
'lockref_get_or_lock() helper") so this function has been around for a
decade, but only had a user for six days.
Let's just put this mis-designed and unused function out of its misery.
We can think about the naming and semantic oddities of the remaining
'lockref_put_or_lock()' later, but at least that function has users.
And while the naming is different and the return value doesn't match,
that function matches the whole '{atomic,refcount}_dec_and_test()'
pattern much better (ie the magic happens when the count goes down to
zero, not when it is incremented from zero).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The kernel tends to try to avoid conditional locking semantics because
it makes it harder to think about and statically check locking rules,
but we do have a few fundamental locking primitives that take locks
conditionally - most obviously the 'trylock' functions.
That has always been a problem for 'sparse' checking for locking
imbalance, and we've had a special '__cond_lock()' macro that we've used
to let sparse know how the locking works:
# define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0)
so that you can then use this to tell sparse that (for example) the
spinlock trylock macro ends up acquiring the lock when it succeeds, but
not when it fails:
#define raw_spin_trylock(lock) __cond_lock(lock, _raw_spin_trylock(lock))
and then sparse can follow along the locking rules when you have code like
if (!spin_trylock(&dentry->d_lock))
return LRU_SKIP;
.. sparse sees that the lock is held here..
spin_unlock(&dentry->d_lock);
and sparse ends up happy about the lock contexts.
However, this '__cond_lock()' use does result in very ugly header files,
and requires you to basically wrap the real function with that macro
that uses '__cond_lock'. Which has made PeterZ NAK things that try to
fix sparse warnings over the years [1].
To solve this, there is now a very experimental patch to sparse that
basically does the exact same thing as '__cond_lock()' did, but using a
function attribute instead. That seems to make PeterZ happy [2].
Note that this does not replace existing use of '__cond_lock()', but
only exposes the new proposed attribute and uses it for the previously
unannotated 'refcount_dec_and_lock()' family of functions.
For existing sparse installations, this will make no difference (a
negative output context was ignored), but if you have the experimental
sparse patch it will make sparse now understand code that uses those
functions, the same way '__cond_lock()' makes sparse understand the very
similar 'atomic_dec_and_lock()' uses that have the old '__cond_lock()'
annotations.
Note that in some cases this will silence existing context imbalance
warnings. But in other cases it may end up exposing new sparse warnings
for code that sparse just didn't see the locking for at all before.
This is a trial, in other words. I'd expect that if it ends up being
successful, and new sparse releases end up having this new attribute,
we'll migrate the old-style '__cond_lock()' users to use the new-style
'__cond_acquires' function attribute.
The actual experimental sparse patch was posted in [3].
Link: https://lore.kernel.org/all/20130930134434.GC12926@twins.programming.kicks-ass.net/ [1]
Link: https://lore.kernel.org/all/Yr60tWxN4P568x3W@worktop.programming.kicks-ass.net/ [2]
Link: https://lore.kernel.org/all/CAHk-=wjZfO9hGqJ2_hGQG3U_XzSh9_XaXze=HgPdvJbgrvASfA@mail.gmail.com/ [3]
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Alexander Aring <aahringo@redhat.com>
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix statfs blocking on background inode gc workers
- Fix some broken inode lock assertion code
- Fix xattr leaf buffer leaks when cancelling a deferred xattr update
operation
- Clean up xattr recovery to make it easier to understand.
- Fix xattr leaf block verifiers tripping over empty blocks.
- Remove complicated and error prone xattr leaf block bholding mess.
- Fix a bug where an rt extent crossing EOF was treated as "posteof"
blocks and cleaned unnecessarily.
- Fix a UAF when log shutdown races with unmount.
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Merge tag 'xfs-5.19-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"This fixes some stalling problems and corrects the last of the
problems (I hope) observed during testing of the new atomic xattr
update feature.
- Fix statfs blocking on background inode gc workers
- Fix some broken inode lock assertion code
- Fix xattr leaf buffer leaks when cancelling a deferred xattr update
operation
- Clean up xattr recovery to make it easier to understand.
- Fix xattr leaf block verifiers tripping over empty blocks.
- Remove complicated and error prone xattr leaf block bholding mess.
- Fix a bug where an rt extent crossing EOF was treated as "posteof"
blocks and cleaned unnecessarily.
- Fix a UAF when log shutdown races with unmount"
* tag 'xfs-5.19-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: prevent a UAF when log IO errors race with unmount
xfs: dont treat rt extents beyond EOF as eofblocks to be cleared
xfs: don't hold xattr leaf buffers across transaction rolls
xfs: empty xattr leaf header blocks are not corruption
xfs: clean up the end of xfs_attri_item_recover
xfs: always free xattri_leaf_bp when cancelling a deferred op
xfs: use invalidate_lock to check the state of mmap_lock
xfs: factor out the common lock flags assert
xfs: introduce xfs_inodegc_push()
xfs: bound maximum wait time for inodegc work
Two important fixes for bugs in code which was added in kernel v5.18:
* Fix userspace signal failures on 32-bit kernel due to a bug in vDSO
* Fix 32-bit load-word unalignment exception handler which returned
wrong values
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Merge tag 'for-5.19/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller:
"Two important fixes for bugs in code which was added in 5.18:
- Fix userspace signal failures on 32-bit kernel due to a bug in vDSO
- Fix 32-bit load-word unalignment exception handler which returned
wrong values"
* tag 'for-5.19/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix vDSO signal breakage on 32-bit kernel
parisc/unaligned: Fix emulate_ldw() breakage
Addition of vDSO support for parisc in kernel v5.18 suddenly broke glibc
signal testcases on a 32-bit kernel.
The trampoline code (sigtramp.S) which is mapped into userspace includes
an offset to the context data on the stack, which is used by gdb and
glibc to get access to registers.
In a 32-bit kernel we used by mistake the offset into the compat context
(which is valid on a 64-bit kernel only) instead of the offset into the
"native" 32-bit context.
Reported-by: John David Anglin <dave.anglin@bell.net>
Tested-by: John David Anglin <dave.anglin@bell.net>
Fixes: df24e1783e ("parisc: Add vDSO support")
CC: stable@vger.kernel.org # 5.18
Signed-off-by: Helge Deller <deller@gmx.de>
- BPF program info linear (BPIL) data is accessed assuming 64-bit alignment
resulting in undefined behavior as the data is just byte aligned. Fix it,
Found using -fsanitize=undefined.
- Fix 'perf offcpu' build on old kernels wrt task_struct's state/__state field.
- Fix perf_event_attr.sample_type setting on the 'offcpu-time' event synthesized
by the 'perf offcpu' tool.
- Don't bail out when synthesizing PERF_RECORD_ events for pre-existing threads
when one goes away while parsing its procfs entries.
- Don't sort the task scan result from /proc, its not needed and introduces bugs
when the main thread isn't the first one to be processed.
- Fix uninitialized 'offset' variable on aarch64 in the unwind code.
- Sync KVM headers with the kernel sources.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.19-2022-07-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- BPF program info linear (BPIL) data is accessed assuming 64-bit
alignment resulting in undefined behavior as the data is just byte
aligned. Fix it, Found using -fsanitize=undefined.
- Fix 'perf offcpu' build on old kernels wrt task_struct's
state/__state field.
- Fix perf_event_attr.sample_type setting on the 'offcpu-time' event
synthesized by the 'perf offcpu' tool.
- Don't bail out when synthesizing PERF_RECORD_ events for pre-existing
threads when one goes away while parsing its procfs entries.
- Don't sort the task scan result from /proc, its not needed and
introduces bugs when the main thread isn't the first one to be
processed.
- Fix uninitialized 'offset' variable on aarch64 in the unwind code.
- Sync KVM headers with the kernel sources.
* tag 'perf-tools-fixes-for-v5.19-2022-07-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf synthetic-events: Ignore dead threads during event synthesis
perf synthetic-events: Don't sort the task scan result from /proc
perf unwind: Fix unitialized 'offset' variable on aarch64
tools headers UAPI: Sync linux/kvm.h with the kernel sources
perf bpf: 8 byte align bpil data
tools kvm headers arm64: Update KVM headers from the kernel sources
perf offcpu: Accept allowed sample types only
perf offcpu: Fix build failure on old kernels
- Fix BPF uapi confusion about the correct type of bpf_user_pt_regs_t.
- Fix virt_addr_valid() when memory is hotplugged above the boot-time high_memory value.
- Fix a bug in 64-bit Book3E map_kernel_page() which would incorrectly allocate a PMD
page at PUD level.
- Fix a couple of minor issues found since we enabled KASAN for 64-bit Book3S.
Thanks to: Aneesh Kumar K.V, Cédric Le Goater, Christophe Leroy, Kefeng Wang, Liam
Howlett, Nathan Lynch, Naveen N. Rao.
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Merge tag 'powerpc-5.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix BPF uapi confusion about the correct type of bpf_user_pt_regs_t.
- Fix virt_addr_valid() when memory is hotplugged above the boot-time
high_memory value.
- Fix a bug in 64-bit Book3E map_kernel_page() which would incorrectly
allocate a PMD page at PUD level.
- Fix a couple of minor issues found since we enabled KASAN for 64-bit
Book3S.
Thanks to Aneesh Kumar K.V, Cédric Le Goater, Christophe Leroy, Kefeng
Wang, Liam Howlett, Nathan Lynch, and Naveen N. Rao.
* tag 'powerpc-5.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/memhotplug: Add add_pages override for PPC
powerpc/bpf: Fix use of user_pt_regs in uapi
powerpc/prom_init: Fix kernel config grep
powerpc/book3e: Fix PUD allocation size in map_kernel_page()
powerpc/xive/spapr: correct bitmap allocation size
When it synthesize various task events, it scans the list of task
first and then accesses later. There's a window threads can die
between the two and proc entries may not be available.
Instead of bailing out, we can ignore that thread and move on.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220701205458.985106-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
It should not sort the result as procfs already returns a proper
ordering of tasks. Actually sorting the order caused problems that it
doesn't guararantee to process the main thread first.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220701205458.985106-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Commit dc2cf4ca86 ("perf unwind: Fix segbase for ld.lld linked
objects") uncovered the following issue on aarch64:
util/unwind-libunwind-local.c: In function 'find_proc_info':
util/unwind-libunwind-local.c:386:28: error: 'offset' may be used uninitialized in this function [-Werror=maybe-uninitialized]
386 | if (ofs > 0) {
| ^
util/unwind-libunwind-local.c:199:22: note: 'offset' was declared here
199 | u64 address, offset;
| ^~~~~~
util/unwind-libunwind-local.c:371:20: error: 'offset' may be used uninitialized in this function [-Werror=maybe-uninitialized]
371 | if (ofs <= 0) {
| ^
util/unwind-libunwind-local.c:199:22: note: 'offset' was declared here
199 | u64 address, offset;
| ^~~~~~
util/unwind-libunwind-local.c:363:20: error: 'offset' may be used uninitialized in this function [-Werror=maybe-uninitialized]
363 | if (ofs <= 0) {
| ^
util/unwind-libunwind-local.c:199:22: note: 'offset' was declared here
199 | u64 address, offset;
| ^~~~~~
In file included from util/libunwind/arm64.c:37:
Fixes: dc2cf4ca86 ("perf unwind: Fix segbase for ld.lld linked objects")
Signed-off-by: Ivan Babrou <ivan@cloudflare.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: kernel-team@cloudflare.com
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220701182046.12589-1-ivan@cloudflare.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
- Fix a bug in the libnvdimm 'BTT' (Block Translation Table) driver
where accounting for poison blocks to be cleared was off by one,
causing a failure to clear the the last badblock in an nvdimm region.
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Merge tag 'libnvdimm-fixes-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Vishal Verma:
- Fix a bug in the libnvdimm 'BTT' (Block Translation Table) driver
where accounting for poison blocks to be cleared was off by one,
causing a failure to clear the the last badblock in an nvdimm region.
* tag 'libnvdimm-fixes-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm: Fix badblocks clear off-by-one error
Add a new CPU ID to the list of supported processors in the
intel_tcc_cooling driver (Sumeet Pawnikar).
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Merge tag 'thermal-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"Add a new CPU ID to the list of supported processors in the
intel_tcc_cooling driver (Sumeet Pawnikar)"
* tag 'thermal-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel_tcc_cooling: Add TCC cooling support for RaptorLake
- Fix error code path issues related PROBE_DEFER handling in
devfreq (Christian Marangi).
- Revert an editing accident in SPDX-License line in the devfreq
passive governor (Lukas Bulwahn).
- Fix refcount leak in of_get_devfreq_events() in the exynos-ppmu
devfreq driver (Miaoqian Lin).
- Use HZ_PER_KHZ macro in the passive devfreq governor (Yicong Yang).
- Fix missing of_node_put for qoriq and pmac32 driver (Liang He).
- Fix issues around throttle interrupt for qcom driver (Stephen Boyd).
- Add MT8186 to cpufreq-dt-platdev blocklist (AngeloGioacchino Del
Regno).
- Make amd-pstate enable CPPC on resume from S3 (Jinzhou Su).
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Merge tag 'pm-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix some issues in cpufreq drivers and some issues in devfreq:
- Fix error code path issues related PROBE_DEFER handling in devfreq
(Christian Marangi)
- Revert an editing accident in SPDX-License line in the devfreq
passive governor (Lukas Bulwahn)
- Fix refcount leak in of_get_devfreq_events() in the exynos-ppmu
devfreq driver (Miaoqian Lin)
- Use HZ_PER_KHZ macro in the passive devfreq governor (Yicong Yang)
- Fix missing of_node_put for qoriq and pmac32 driver (Liang He)
- Fix issues around throttle interrupt for qcom driver (Stephen Boyd)
- Add MT8186 to cpufreq-dt-platdev blocklist (AngeloGioacchino Del
Regno)
- Make amd-pstate enable CPPC on resume from S3 (Jinzhou Su)"
* tag 'pm-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / devfreq: passive: revert an editing accident in SPDX-License line
PM / devfreq: Fix kernel warning with cpufreq passive register fail
PM / devfreq: Rework freq_table to be local to devfreq struct
PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events
PM / devfreq: passive: Use HZ_PER_KHZ macro in units.h
PM / devfreq: Fix cpufreq passive unregister erroring on PROBE_DEFER
PM / devfreq: Mute warning on governor PROBE_DEFER
PM / devfreq: Fix kernel panic with cpu based scaling to passive gov
cpufreq: Add MT8186 to cpufreq-dt-platdev blocklist
cpufreq: pmac32-cpufreq: Fix refcount leak bug
cpufreq: qcom-hw: Don't do lmh things without a throttle interrupt
drivers: cpufreq: Add missing of_node_put() in qoriq-cpufreq.c
cpufreq: amd-pstate: Add resume and suspend callbacks
Merge cpufreq fixes for 5.19-rc5, including ARM cpufreq fixes and the
following one:
- Make amd-pstate enable CPPC on resume from S3 (Jinzhou Su).
* pm-cpufreq:
cpufreq: Add MT8186 to cpufreq-dt-platdev blocklist
cpufreq: pmac32-cpufreq: Fix refcount leak bug
cpufreq: qcom-hw: Don't do lmh things without a throttle interrupt
drivers: cpufreq: Add missing of_node_put() in qoriq-cpufreq.c
cpufreq: amd-pstate: Add resume and suspend callbacks
* Fix error handling in ibmaem driver initialization
* Fix bad data reported by occ driver after setting power cap
* Fix typos in pmbus/ucd9200 driver comments
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Merge tag 'hwmon-for-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix error handling in ibmaem driver initialization
- Fix bad data reported by occ driver after setting power cap
- Fix typos in pmbus/ucd9200 driver comments
* tag 'hwmon-for-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ibmaem) don't call platform_device_del() if platform_device_add() fails
hwmon: (pmbus/ucd9200) fix typos in comments
hwmon: (occ) Prevent power cap command overwriting poll response
If platform_device_add() fails, it no need to call platform_device_del(), split
platform_device_unregister() into platform_device_del/put(), so platform_device_put()
can be called separately.
Fixes: 8808a793f0 ("ibmaem: new driver for power/energy/temp meters in IBM System X hardware")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220701074153.4021556-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
contiguous ptes (missed in a recent clean-up).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Restore TLB invalidation for the 'break-before-make' rule on
contiguous ptes (missed in a recent clean-up)"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: hugetlb: Restore TLB invalidation for BBM on contiguous ptes
- Fix purgatory build process so bin2c tool does not get built
unnecessarily and the Makefile is more consistent with other
architectures.
- Return earlier simple design of arch_get_random_seed_long|int()
and arch_get_random_long|int() callbacks as result of changes
in generic RNG code.
- Fix minor comment typos and spelling mistakes.
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Merge tag 's390-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Fix purgatory build process so bin2c tool does not get built
unnecessarily and the Makefile is more consistent with other
architectures.
- Return earlier simple design of arch_get_random_seed_long|int() and
arch_get_random_long|int() callbacks as result of changes in generic
RNG code.
- Fix minor comment typos and spelling mistakes.
* tag 's390-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/qdio: Fix spelling mistake
s390/sclp: Fix typo in comments
s390/archrandom: simplify back to earlier design and initialize earlier
s390/purgatory: remove duplicated build rule of kexec-purgatory.o
s390/purgatory: hard-code obj-y in Makefile
s390: remove unneeded 'select BUILD_BIN2C'
- Bugfixes:
- Allocate a fattr for _nfs4_discover_trunking()
- Fix module reference count leak in nfs4_run_state_manager()
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Merge tag 'nfs-for-5.19-3' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
- Allocate a fattr for _nfs4_discover_trunking()
- Fix module reference count leak in nfs4_run_state_manager()
* tag 'nfs-for-5.19-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFSv4: Add an fattr allocation to _nfs4_discover_trunking()
NFS: restore module put when manager exits.
issue on the MDS side, but for now we are going with this one-liner
to avoid busy looping and potential soft lockups.
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Merge tag 'ceph-for-5.19-rc5' of https://github.com/ceph/ceph-client
Pull ceph fix from Ilya Dryomov:
"A ceph filesystem fix, marked for stable.
There appears to be a deeper issue on the MDS side, but for now we are
going with this one-liner to avoid busy looping and potential soft
lockups"
* tag 'ceph-for-5.19-rc5' of https://github.com/ceph/ceph-client:
ceph: wait on async create before checking caps for syncfs
running the lvm2 testsuite's dm-raid tests. Includes changes to MD's
raid5.c given the dependency dm-raid has on the MD code.
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Merge tag 'for-5.19/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"Three fixes for invalid memory accesses discovered by using KASAN
while running the lvm2 testsuite's dm-raid tests. Includes changes to
MD's raid5.c given the dependency dm-raid has on the MD code"
* tag 'for-5.19/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm raid: fix KASAN warning in raid5_add_disks
dm raid: fix KASAN warning in raid5_remove_disk
dm raid: fix accesses beyond end of raid member array
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Merge tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Two minor tweaks:
- While we still can, adjust the send/recv based flags to be in
->ioprio rather than in ->addr2. This is consistent with eg accept,
and also doesn't waste a full 64-bit field for flags (Pavel)
- 5.18-stable fix for re-importing provided buffers. Not much real
world relevance here as it'll only impact non-pollable files gone
async, which is more of a practical test case rather than something
that is used in the wild (Dylan)"
* tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-block:
io_uring: fix provided buffer import
io_uring: keep sendrecv flags in ioprio
