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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (123 commits)
perf: Remove the nmi parameter from the oprofile_perf backend
x86, perf: Make copy_from_user_nmi() a library function
perf: Remove perf_event_attr::type check
x86, perf: P4 PMU - Fix typos in comments and style cleanup
perf tools: Make test use the preset debugfs path
perf tools: Add automated tests for events parsing
perf tools: De-opt the parse_events function
perf script: Fix display of IP address for non-callchain path
perf tools: Fix endian conversion reading event attr from file header
perf tools: Add missing 'node' alias to the hw_cache[] array
perf probe: Support adding probes on offline kernel modules
perf probe: Add probed module in front of function
perf probe: Introduce debuginfo to encapsulate dwarf information
perf-probe: Move dwarf library routines to dwarf-aux.{c, h}
perf probe: Remove redundant dwarf functions
perf probe: Move strtailcmp to string.c
perf probe: Rename DIE_FIND_CB_FOUND to DIE_FIND_CB_END
tracing/kprobe: Update symbol reference when loading module
tracing/kprobes: Support module init function probing
kprobes: Return -ENOENT if probe point doesn't exist
...
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pit_clockevent wants to replaced in the argument of the callback
function as well.
Reported-by; Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
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Renumbering was necessary because I had already wired up setns(2) in the
linux-mips.org tree in commit c3fce54644cabbb90700cc3acc040718a377f609
[MIPS: Wire up new sendmmsg syscall.] but the same syscall numbers were
used by 7b21fddd087678a70ad64afc0f632e0f1071b092 [ns: Wire up the setns
system call] resulting in a conflict.
Signed-off-by: Ralf Baechle <[email protected]>
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The code in arch/mips/kernel/i8259.c still hasn't been converted to
using struct syscore_ops instead of a sysdev for resume and shutdown.
As a result, this code doesn't build any more after suspend, resume
and shutdown callbacks have been removed from struct sysdev_class.
Fix this problem by converting i8259.c to using syscore_ops.
Reported-and-tested-by: Roland Vossen <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/core
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Add a NODE level to the generic cache events which is used to measure
local vs remote memory accesses. Like all other cache events, an
ACCESS is HIT+MISS, if there is no way to distinguish between reads
and writes do reads only etc..
The below needs filling out for !x86 (which I filled out with
unsupported events).
I'm fairly sure ARM can leave it like that since it doesn't strike me as
an architecture that even has NUMA support. SH might have something since
it does appear to have some NUMA bits.
Sparc64, PowerPC and MIPS certainly want a good look there since they
clearly are NUMA capable.
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: David Miller <[email protected]>
Cc: Anton Blanchard <[email protected]>
Cc: David Daney <[email protected]>
Cc: Deng-Cheng Zhu <[email protected]>
Cc: Paul Mundt <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Robert Richter <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/r/1303508226.4865.8.camel@laptop
Signed-off-by: Ingo Molnar <[email protected]>
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The nmi parameter indicated if we could do wakeups from the current
context, if not, we would set some state and self-IPI and let the
resulting interrupt do the wakeup.
For the various event classes:
- hardware: nmi=0; PMI is in fact an NMI or we run irq_work_run from
the PMI-tail (ARM etc.)
- tracepoint: nmi=0; since tracepoint could be from NMI context.
- software: nmi=[0,1]; some, like the schedule thing cannot
perform wakeups, and hence need 0.
As one can see, there is very little nmi=1 usage, and the down-side of
not using it is that on some platforms some software events can have a
jiffy delay in wakeup (when arch_irq_work_raise isn't implemented).
The up-side however is that we can remove the nmi parameter and save a
bunch of conditionals in fast paths.
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: Michael Cree <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Deng-Cheng Zhu <[email protected]>
Cc: Anton Blanchard <[email protected]>
Cc: Eric B Munson <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Paul Mundt <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jason Wessel <[email protected]>
Cc: Don Zickus <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Russell King <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: John Stultz <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
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The unwind_stack_by_address variant supports unwinding based
on any kernel code address.
This symbol is also exported so it can be called from modules.
Signed-off-by: Daniel Kalmar <[email protected]>
Signed-off-by: Gergely Kis <[email protected]>
Signed-off-by: Robert Richter <[email protected]>
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Move them to drivers/clocksource/i8253.c and remove the
implementations in arch/
[ tglx: Avoid the extra file in lib - folded arch patches in. The
export will become conditional in a later step ]
Signed-off-by: Ralf Baechle <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Cc: Russell King <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
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Signed-off-by: Ralf Baechle <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
arch/arm/mach-footbridge/isa-timer.c | 2 +-
arch/mips/cobalt/time.c | 2 +-
arch/mips/jazz/irq.c | 2 +-
arch/mips/kernel/i8253.c | 2 +-
arch/mips/mti-malta/malta-time.c | 2 +-
arch/mips/sgi-ip22/ip22-time.c | 2 +-
arch/mips/sni/time.c | 2 +-
arch/x86/kernel/apic/apic.c | 2 +-
arch/x86/kernel/apm_32.c | 2 +-
arch/x86/kernel/hpet.c | 2 +-
arch/x86/kernel/i8253.c | 2 +-
arch/x86/kernel/time.c | 2 +-
drivers/block/hd.c | 2 +-
drivers/clocksource/i8253.c | 2 +-
drivers/input/gameport/gameport.c | 2 +-
drivers/input/joystick/analog.c | 2 +-
drivers/input/misc/pcspkr.c | 2 +-
include/linux/i8253.h | 11 +++++++++++
sound/drivers/pcsp/pcsp.h | 2 +-
19 files changed, 29 insertions(+), 18 deletions(-)
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* setns:
ns: Wire up the setns system call
Done as a merge to make it easier to fix up conflicts in arm due to
addition of sendmmsg system call
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32bit and 64bit on x86 are tested and working. The rest I have looked
at closely and I can't find any problems.
setns is an easy system call to wire up. It just takes two ints so I
don't expect any weird architecture porting problems.
While doing this I have noticed that we have some architectures that are
very slow to get new system calls. cris seems to be the slowest where
the last system calls wired up were preadv and pwritev. avr32 is weird
in that recvmmsg was wired up but never declared in unistd.h. frv is
behind with perf_event_open being the last syscall wired up. On h8300
the last system call wired up was epoll_wait. On m32r the last system
call wired up was fallocate. mn10300 has recvmmsg as the last system
call wired up. The rest seem to at least have syncfs wired up which was
new in the 2.6.39.
v2: Most of the architecture support added by Daniel Lezcano <[email protected]>
v3: ported to v2.6.36-rc4 by: Eric W. Biederman <[email protected]>
v4: Moved wiring up of the system call to another patch
v5: ported to v2.6.39-rc6
v6: rebased onto parisc-next and net-next to avoid syscall conflicts.
v7: ported to Linus's latest post 2.6.39 tree.
> arch/blackfin/include/asm/unistd.h | 3 ++-
> arch/blackfin/mach-common/entry.S | 1 +
Acked-by: Mike Frysinger <[email protected]>
Oh - ia64 wiring looks good.
Acked-by: Tony Luck <[email protected]>
Signed-off-by: Eric W. Biederman <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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devel-stable
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into devel-stable
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
percpu: Unify input section names
percpu: Avoid extra NOP in percpu_cmpxchg16b_double
percpu: Cast away printk format warning
percpu: Always align percpu output section to PAGE_SIZE
Fix up fairly trivial conflict in arch/x86/include/asm/percpu.h as per Tejun
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
b43: fix comment typo reqest -> request
Haavard Skinnemoen has left Atmel
cris: typo in mach-fs Makefile
Kconfig: fix copy/paste-ism for dell-wmi-aio driver
doc: timers-howto: fix a typo ("unsgined")
perf: Only include annotate.h once in tools/perf/util/ui/browsers/annotate.c
md, raid5: Fix spelling error in comment ('Ofcourse' --> 'Of course').
treewide: fix a few typos in comments
regulator: change debug statement be consistent with the style of the rest
Revert "arm: mach-u300/gpio: Fix mem_region resource size miscalculations"
audit: acquire creds selectively to reduce atomic op overhead
rtlwifi: don't touch with treewide double semicolon removal
treewide: cleanup continuations and remove logging message whitespace
ath9k_hw: don't touch with treewide double semicolon removal
include/linux/leds-regulator.h: fix syntax in example code
tty: fix typo in descripton of tty_termios_encode_baud_rate
xtensa: remove obsolete BKL kernel option from defconfig
m68k: fix comment typo 'occcured'
arch:Kconfig.locks Remove unused config option.
treewide: remove extra semicolons
...
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A new utility function (core_kernel_data()) is used to determine if a
passed in address is part of core kernel data or not. It may or may not
return true for RO data, but this utility must work for RW data.
Thus both _sdata and _edata must be defined and continuous,
without .init sections that may later be freed and replaced by
volatile memory (memory that can be freed).
This utility function is used to determine if data is safe from
ever being freed. Thus it should return true for all RW global
data that is not in a module or has been allocated, or false
otherwise.
Also change core_kernel_data() back to the more precise _sdata condition
and document the function.
Signed-off-by: Steven Rostedt <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
Acked-by: Hirokazu Takata <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: Ivan Kokshaysky <[email protected]>
Cc: Matt Turner <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Roman Zippel <[email protected]>
Cc: [email protected]
Cc: Kyle McMartin <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: JamesE.J.Bottomley <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
----
arch/alpha/kernel/vmlinux.lds.S | 1 +
arch/m32r/kernel/vmlinux.lds.S | 1 +
arch/m68k/kernel/vmlinux-std.lds | 2 ++
arch/m68k/kernel/vmlinux-sun3.lds | 1 +
arch/mips/kernel/vmlinux.lds.S | 1 +
arch/parisc/kernel/vmlinux.lds.S | 3 +++
kernel/extable.c | 12 +++++++++++-
7 files changed, 20 insertions(+), 1 deletion(-)
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
clocksource: convert mips to generic i8253 clocksource
clocksource: convert x86 to generic i8253 clocksource
clocksource: convert footbridge to generic i8253 clocksource
clocksource: add common i8253 PIT clocksource
blackfin: convert to clocksource_register_hz
mips: convert to clocksource_register_hz/khz
sparc: convert to clocksource_register_hz/khz
alpha: convert to clocksource_register_hz
microblaze: convert to clocksource_register_hz/khz
ia64: convert to clocksource_register_hz/khz
x86: Convert remaining x86 clocksources to clocksource_register_hz/khz
Make clocksource name const
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (60 commits)
sched: Fix and optimise calculation of the weight-inverse
sched: Avoid going ahead if ->cpus_allowed is not changed
sched, rt: Update rq clock when unthrottling of an otherwise idle CPU
sched: Remove unused parameters from sched_fork() and wake_up_new_task()
sched: Shorten the construction of the span cpu mask of sched domain
sched: Wrap the 'cfs_rq->nr_spread_over' field with CONFIG_SCHED_DEBUG
sched: Remove unused 'this_best_prio arg' from balance_tasks()
sched: Remove noop in alloc_rt_sched_group()
sched: Get rid of lock_depth
sched: Remove obsolete comment from scheduler_tick()
sched: Fix sched_domain iterations vs. RCU
sched: Next buddy hint on sleep and preempt path
sched: Make set_*_buddy() work on non-task entities
sched: Remove need_migrate_task()
sched: Move the second half of ttwu() to the remote cpu
sched: Restructure ttwu() some more
sched: Rename ttwu_post_activation() to ttwu_do_wakeup()
sched: Remove rq argument from ttwu_stat()
sched: Remove rq->lock from the first half of ttwu()
sched: Drop rq->lock from sched_exec()
...
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix rt_rq runtime leakage bug
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It never really belonged into syscall.c and it's about to become well more
complex.
Signed-off-by: Ralf Baechle <[email protected]>
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As noticed by Kevin Cernekee <[email protected]> in
http://www.linux-mips.org/cgi-bin/extract-mesg.cgi?a=linux-mips&m=2011-05&i=BANLkTikq04wuK%3Dbz%2BLieavmm3oDtoYWKxg%40mail.gmail.com
Patchwork: https://patchwork.linux-mips.org/patch/2387/
Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Robert Millan <[email protected]>
Acked-by: David Daney <[email protected]>
Signed-off-by: Kevin Cernekee <[email protected]>
Cc: David Daney <[email protected]>
Cc: wu zhangjin <[email protected]>
Cc: Aurelien Jarno <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2302/
Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Kevin Cernekee <[email protected]>
Cc: Robert Millan <[email protected]>
Cc: David Daney <[email protected]>
Cc: wu zhangjin <[email protected]>
Cc: Aurelien Jarno <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2300/
Signed-off-by: Ralf Baechle <[email protected]>
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Replace these sequences:
if (cpu == 0)
__elf_platform = "foo";
with a trivial inline function.
Signed-off-by: Robert Millan <[email protected]>
Signed-off-by: Kevin Cernekee <[email protected]>
Signed-off-by: David Daney <[email protected]>
Cc: wu zhangjin <[email protected]>
Cc: Aurelien Jarno <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2304/
Patchwork: https://patchwork.linux-mips.org/patch/2374/
Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Maxin B. John <[email protected]>
To: Catalin Marinas <[email protected]>
Cc: Daniel Baluta <[email protected]>
Cc: naveen yadav <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2244/
Signed-off-by: Ralf Baechle <[email protected]>
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Add NLM_XLR_BOARD, CPU_XLR and other config options
Makefile updates, mostly based on r4k
Signed-off-by: Jayachandran C <[email protected]>
To: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2334/
Signed-off-by: Ralf Baechle <[email protected]>
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Add Netlogic Microsystems company ID and processor IDs for XLR
and XLS processors for CPU probe. Add CPU_XLR to cpu_type_enum.
Signed-off-by: Jayachandran C <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2367/
Signed-off-by: Ralf Baechle <[email protected]>
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Initial patch by Yury Polyanskiy <[email protected]>.
Signed-off-by: Ralf Baechle <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/2373/
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master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts:
arch/ia64/kernel/cyclone.c
arch/mips/kernel/i8253.c
arch/x86/kernel/i8253.c
Reason: Resolve conflicts so further cleanups do not conflict further
Signed-off-by: Thomas Gleixner <[email protected]>
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Convert MIPS i8253 clocksource code to use generic i8253 clocksource.
Acked-by: John Stultz <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Cc: Ralf Baechle <[email protected]>
Signed-off-by: Russell King <[email protected]>
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This patch drops the reference to a global 'cmd_line' variable from
early_init_dt_scan_chosen, and instead passes the pointer to the command
line string via the *data argument. Each architecture does something
slightly different with the initial command line, so it makes sense for
the architecture to be able to specify the variable name.
Signed-off-by: Grant Likely <[email protected]>
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Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Ralf Baechle <[email protected]>
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The current code is abusing the uasm interface by passing jump target
addresses with high bits set. Mask the addresses to avoid annoying
messages at boot time.
Signed-off-by: David Daney <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Wu Zhangjin <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/1922/
Signed-off-by: Ralf Baechle <[email protected]>
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Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.
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For future rework of try_to_wake_up() we'd like to push part of that
function onto the CPU the task is actually going to run on.
In order to do so we need a generic callback from the existing scheduler IPI.
This patch introduces such a generic callback: scheduler_ipi() and
implements it as a NOP.
BenH notes: PowerPC might use this IPI on offline CPUs under rare conditions!
Acked-by: Russell King <[email protected]>
Acked-by: Martin Schwidefsky <[email protected]>
Acked-by: Chris Metcalf <[email protected]>
Acked-by: Jesper Nilsson <[email protected]>
Acked-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Ralf Baechle <[email protected]>
Reviewed-by: Frank Rowand <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
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Signed-off-by: Justin P. Mattock <[email protected]>
Acked-by: David S. Miller <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <[email protected]>
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Scripted with coccinelle.
Signed-off-by: Thomas Gleixner <[email protected]>
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Signed-off-by: Ralf Baechle <[email protected]>
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These system calls we recently added.
32-bit ABIs need compat handling for sys_clock_adjtime().
o32 also needs compat handling for sys_open_by_handle_at();
Signed-off-by: David Daney <[email protected]>
To: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2165/
Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Thomas Gleixner <[email protected]>
To: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2195/
Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Thomas Gleixner <[email protected]>
To: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2194/
Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Thomas Gleixner <[email protected]>
To: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2193/
Signed-off-by: Ralf Baechle <[email protected]>
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Signed-off-by: Thomas Gleixner <[email protected]>
To: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2192/
Signed-off-by: Ralf Baechle <[email protected]>
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