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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Optimize RAID5 xor checksumming by taking advantage of
256-bit YMM registers introduced in AVX.
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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arch/hexagon/kernel/signal.c:do_notify_resume() forgets to call
tracehook_notify_resume() if TIF_NOTIFY_RESUME is set.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Richard Kuo <rkuo@codeaurora.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alexander Gordeev <agordeev@redhat.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: David Smith <dsmith@redhat.com>
Cc: "Frank Ch. Eigler" <fche@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Use the new helper function introduced in commit 5e6292c0f28f ("signal:
add block_sigmask() for adding sigmask to current->blocked") which
centralises the code for updating current->blocked after successfully
delivering a signal and reduces the amount of duplicate code across
architectures.
In the past some architectures got this code wrong, so using this helper
function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Havard Skinnemoen <hskinnemoen@gmail.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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It is wrong to change ->blocked directly, see e6fa16ab. Change
handle_signal() and sys_rt_sigreturn() to use the right helper,
set_current_blocked().
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Acked-by: Havard Skinnemoen <hskinnemoen@gmail.com>
Reviewed-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The current handle_signal() implementation is broken - it will mask
signals if we fail to setup the signal stack frame, which isn't the
desired behaviour, we should only be masking signals if we succeed in
setting up the stack frame. It looks like this code was copied from the
old (broken) arm implementation but wasn't updated when the arm code was
fixed in commit a6c61e9dfdd0 ("[ARM] 3168/1: Update ARM signal delivery
and masking").
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Acked-by: Havard Skinnemoen <hskinnemoen@gmail.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Mikael Starvik <starvik@axis.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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There are a couple of problems with the current signal code,
1. If we failed to setup the signal stack frame then we should not be
masking any signals.
2. ka->sa.sa_mask is only added to the current blocked signals list if
SA_NODEFER is set in ka->sa.sa_flags. If we successfully setup the
signal frame and are going to run the handler then we must honour
sa_mask.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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get_signal_to_deliver() already resets the signal handler if SA_ONESHOT is
set in ka->sa.sa_flags, there's no need to do it again in handle_signal().
Furthermore, because we were modifying ka->sa.sa_handler (which is a copy
of sighand->action[]) instead of sighand->action[] the original code
actually had no effect on signal delivery.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Instead of open coding the sequence from force_sigsegv() just call it.
This also fixes a bug because we were modifying ka->sa.sa_handler (which
is a copy of sighand->action[]), whereas the intention of the code was to
modify sighand->action[] directly.
As the original code was working with a copy it had no effect on signal
delivery.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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If setup_rt_frame() returns -EFAULT then we must not block any signals
in the current process.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Use the new helper function introduced in commit 5e6292c0f28f ("signal:
add block_sigmask() for adding sigmask to current->blocked") which
centralises the code for updating current->blocked after successfully
delivering a signal and reduces the amount of duplicate code across
architectures. In the past some architectures got this code wrong, so
using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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guts of saved_sigmask-based sigsuspend/rt_sigsuspend. Takes
kernel sigset_t *.
Open-coded instances replaced with calling it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core irq changes from Ingo Molnar:
"A collection of small fixes."
By Thomas Gleixner
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hexagon: Remove select of not longer existing Kconfig switches
arm: Select core options instead of redefining them
genirq: Do not consider disabled wakeup irqs
genirq: Allow check_wakeup_irqs to notice level-triggered interrupts
genirq: Be more informative on irq type mismatch
genirq: Reject bogus threaded irq requests
genirq: Streamline irq_action
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris:
"New notable features:
- The seccomp work from Will Drewry
- PR_{GET,SET}_NO_NEW_PRIVS from Andy Lutomirski
- Longer security labels for Smack from Casey Schaufler
- Additional ptrace restriction modes for Yama by Kees Cook"
Fix up trivial context conflicts in arch/x86/Kconfig and include/linux/filter.h
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (65 commits)
apparmor: fix long path failure due to disconnected path
apparmor: fix profile lookup for unconfined
ima: fix filename hint to reflect script interpreter name
KEYS: Don't check for NULL key pointer in key_validate()
Smack: allow for significantly longer Smack labels v4
gfp flags for security_inode_alloc()?
Smack: recursive tramsmute
Yama: replace capable() with ns_capable()
TOMOYO: Accept manager programs which do not start with / .
KEYS: Add invalidation support
KEYS: Do LRU discard in full keyrings
KEYS: Permit in-place link replacement in keyring list
KEYS: Perform RCU synchronisation on keys prior to key destruction
KEYS: Announce key type (un)registration
KEYS: Reorganise keys Makefile
KEYS: Move the key config into security/keys/Kconfig
KEYS: Use the compat keyctl() syscall wrapper on Sparc64 for Sparc32 compat
Yama: remove an unused variable
samples/seccomp: fix dependencies on arch macros
Yama: add additional ptrace scopes
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp hotplug cleanups from Thomas Gleixner:
"This series is merily a cleanup of code copied around in arch/* and
not changing any of the real cpu hotplug horrors yet. I wish I'd had
something more substantial for 3.5, but I underestimated the lurking
horror..."
Fix up trivial conflicts in arch/{arm,sparc,x86}/Kconfig and
arch/sparc/include/asm/thread_info_32.h
* 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (79 commits)
um: Remove leftover declaration of alloc_task_struct_node()
task_allocator: Use config switches instead of magic defines
sparc: Use common threadinfo allocator
score: Use common threadinfo allocator
sh-use-common-threadinfo-allocator
mn10300: Use common threadinfo allocator
powerpc: Use common threadinfo allocator
mips: Use common threadinfo allocator
hexagon: Use common threadinfo allocator
m32r: Use common threadinfo allocator
frv: Use common threadinfo allocator
cris: Use common threadinfo allocator
x86: Use common threadinfo allocator
c6x: Use common threadinfo allocator
fork: Provide kmemcache based thread_info allocator
tile: Use common threadinfo allocator
fork: Provide weak arch_release_[task_struct|thread_info] functions
fork: Move thread info gfp flags to header
fork: Remove the weak insanity
sh: Remove cpu_idle_wait()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU changes from Ingo Molnar:
"This is the v3.5 RCU tree from Paul E. McKenney:
1) A set of improvements and fixes to the RCU_FAST_NO_HZ feature (with
more on the way for 3.6). Posted to LKML:
https://lkml.org/lkml/2012/4/23/324 (commits 1-3 and 5),
https://lkml.org/lkml/2012/4/16/611 (commit 4),
https://lkml.org/lkml/2012/4/30/390 (commit 6), and
https://lkml.org/lkml/2012/5/4/410 (commit 7, combined with
the other commits for the convenience of the tester).
2) Changes to make rcu_barrier() avoid disrupting execution of CPUs
that have no RCU callbacks. Posted to LKML:
https://lkml.org/lkml/2012/4/23/322.
3) A couple of commits that improve the efficiency of the interaction
between preemptible RCU and the scheduler, these two being all that
survived an abortive attempt to allow preemptible RCU's
__rcu_read_lock() to be inlined. The full set was posted to LKML at
https://lkml.org/lkml/2012/4/14/143, and the first and third patches
of that set remain.
4) Lai Jiangshan's algorithmic implementation of SRCU, which includes
call_srcu() and srcu_barrier(). A major feature of this new
implementation is that synchronize_srcu() no longer disturbs the
execution of other CPUs. This work is based on earlier
implementations by Peter Zijlstra and Paul E. McKenney. Posted to
LKML: https://lkml.org/lkml/2012/2/22/82.
5) A number of miscellaneous bug fixes and improvements which were
posted to LKML at: https://lkml.org/lkml/2012/4/23/353 with
subsequent updates posted to LKML."
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
rcu: Make rcu_barrier() less disruptive
rcu: Explicitly initialize RCU_FAST_NO_HZ per-CPU variables
rcu: Make RCU_FAST_NO_HZ handle timer migration
rcu: Update RCU maintainership
rcu: Make exit_rcu() more precise and consolidate
rcu: Move PREEMPT_RCU preemption to switch_to() invocation
rcu: Ensure that RCU_FAST_NO_HZ timers expire on correct CPU
rcu: Add rcutorture test for call_srcu()
rcu: Implement per-domain single-threaded call_srcu() state machine
rcu: Use single value to handle expedited SRCU grace periods
rcu: Improve srcu_readers_active_idx()'s cache locality
rcu: Remove unused srcu_barrier()
rcu: Implement a variant of Peter's SRCU algorithm
rcu: Improve SRCU's wait_idx() comments
rcu: Flip ->completed only once per SRCU grace period
rcu: Increment upper bit only for srcu_read_lock()
rcu: Remove fast check path from __synchronize_srcu()
rcu: Direct algorithmic SRCU implementation
rcu: Introduce rcutorture testing for rcu_barrier()
timer: Fix mod_timer_pinned() header comment
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core locking updates from Ingo Molnar:
"This update:
- extends and simplifies x86 NMI callback handling code to enhance
and fix the HP hw-watchdog driver
- simplifies the x86 NMI callback handling code to fix a kmemcheck
bug.
- enhances the hung-task debugger"
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi: Fix the type of the nmiaction.flags field
x86/nmi: Fix page faults by nmiaction if kmemcheck is enabled
x86/nmi: Add new NMI queues to deal with IO_CHK and SERR
watchdog, hpwdt: Remove priority option for NMI callback
hung task debugging: Inject NMI when hung and going to panic
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull iommu core changes from Ingo Molnar:
"The IOMMU changes in this cycle are mostly about factoring out
Intel-VT-d specific IRQ remapping details and introducing struct
irq_remap_ops, in preparation for AMD specific hardware."
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
iommu: Fix off by one in dmar_get_fault_reason()
irq_remap: Fix the 'sub_handle' uninitialized warning
irq_remap: Fix UP build failure
irq_remap: Fix compiler warning with CONFIG_IRQ_REMAP=y
iommu: rename intr_remapping.[ch] to irq_remapping.[ch]
iommu: rename intr_remapping references to irq_remapping
x86, iommu/vt-d: Clean up interfaces for interrupt remapping
iommu/vt-d: Convert MSI remapping setup to remap_ops
iommu/vt-d: Convert free_irte into a remap_ops callback
iommu/vt-d: Convert IR set_affinity function to remap_ops
iommu/vt-d: Convert IR ioapic-setup to use remap_ops
iommu/vt-d: Convert missing apic.c intr-remapping call to remap_ops
iommu/vt-d: Make intr-remapping initialization generic
iommu: Rename intr_remapping files to intel_intr_remapping
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu tree from Greg Ungerer:
"More merge and clean up of MMU and non-MMU common files, namely
signal.c and dma.c. There is also a simplification of the ColdFire
GPIO setup tables. Using a couple of simple macros we make the init
tables really small and easy to read, and save a couple of thousand
lines of code. Also a move of all the ColdFire subarch support files
into the existing coldfire directory. The sub-directories just ended
up duplicating Makefiles and now only contain really simple pieces of
code. This saves quite a few lines of code too.
As always a couple of bugs fixes thrown in too. Oh and a new
defconfig for the ColdFire platforms that support having the MMU
enabled."
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (39 commits)
m68k: add a defconfig for the M5475EVB ColdFire with MMU board
m68knommu: unaligned.h fix for M68000 core
m68k: merge the MMU and non-MMU versions of the arch dma code
m68knommu: reorganize the no-MMU cache flushing to match m68k
m68knommu: move the 54xx platform code into the common ColdFire code directory
m68knommu: move the 532x platform code into the common ColdFire code directory
m68knommu: move the 5407 platform code into the common ColdFire code directory
m68knommu: move the 5307 platform code into the common ColdFire code directory
m68knommu: move the 528x platform code into the common ColdFire code directory
m68knommu: move the 527x platform code into the common ColdFire code directory
m68knommu: move the 5272 platform code into the common ColdFire code directory
m68knommu: move the 5249 platform code into the common ColdFire code directory
m68knommu: move the 523x platform code into the common ColdFire code directory
m68knommu: move the 520x platform code into the common ColdFire code directory
m68knommu: move the 5206 platform code into the common ColdFire code directory
m68knommu: simplify the ColdFire 5407 GPIO struct setup
m68knommu: simplify the ColdFire 532x GPIO struct setup
m68knommu: simplify the ColdFire 5307 GPIO struct setup
m68knommu: simplify the ColdFire 528x GPIO struct setup
m68knommu: simplify the ColdFire 527x GPIO struct setup
...
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Pull OpenRISC updates from Jonas Bonn:
"A couple of cleanups for the OpenRISC architecture:
- Implement IRQ domains
- Use DMA mapping framework completely and catch up with recent
changes to dma_map_ops
- One bug fix to the "or1k_atomic" syscall to not clobber call-saved
registers
- OOM killer patches to the pagefault handler ported from the X86
arch
- ...and a couple of header file cleanups"
* tag 'for-3.5' of git://openrisc.net/jonas/linux:
openrisc: use scratch regs in atomic syscall
openrisc: provide dma_map_ops
openrisc: header file cleanups
openrisc/mm/fault.c: Port OOM changes to do_page_fault
openrisc: remove unnecessary includes
openrisc: implement irqdomains
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI changes from Bjorn Helgaas:
- Host bridge cleanups from Yinghai
- Disable Bus Master bit on PCI device shutdown (kexec-related)
- Stratus ftServer fix
- pci_dev_reset() locking fix
- IvyBridge graphics erratum workaround
* tag 'pci-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (21 commits)
microblaze/PCI: fix "io_offset undeclared" error
x86/PCI: only check for spinlock being held in SMP kernels
resources: add resource_overlaps()
PCI: fix uninitialized variable 'cap_mask'
MAINTAINERS: update PCI git tree and patchwork
PCI: disable Bus Master on PCI device shutdown
PCI: work around IvyBridge internal graphics FLR erratum
x86/PCI: fix unused variable warning in amd_bus.c
PCI: move mutex locking out of pci_dev_reset function
PCI: work around Stratus ftServer broken PCIe hierarchy
x86/PCI: merge pcibios_scan_root() and pci_scan_bus_on_node()
x86/PCI: dynamically allocate pci_root_info for native host bridge drivers
x86/PCI: embed pci_sysdata into pci_root_info on ACPI path
x86/PCI: embed name into pci_root_info struct
x86/PCI: add host bridge resource release for _CRS path
x86/PCI: refactor get_current_resources()
PCI: add host bridge release support
PCI: add generic device into pci_host_bridge struct
PCI: rename pci_host_bridge() to find_pci_root_bridge()
x86/PCI: fix memleak with get_current_resources()
...
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Pull core ARM updates from Russell King:
"This is the bulk of the core ARM updates for this merge window.
Included in here is a different way to handle the VIVT cache flushing
on context switch, which should allow scheduler folk to remove a
special case in their core code.
We have architectured timer support here, which is a set of timers
specified by the ARM architecture for future SoCs. So we should see
less variability in timer design going forward.
The last big thing here is my cleanup to the way we handle PCI across
ARM, fixing some oddities in some platforms which hadn't realised
there was a way to deal with their private data already built in to
our PCI backend.
I've also removed support for the ARMv3 architecture; it hasn't worked
properly for years so it seems pointless to keep it around."
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (47 commits)
ARM: PCI: remove per-pci_hw list of buses
ARM: PCI: dove/kirkwood/mv78xx0: use sys->private_data
ARM: PCI: provide a default bus scan implementation
ARM: PCI: get rid of pci_std_swizzle()
ARM: PCI: versatile: fix PCI interrupt setup
ARM: PCI: integrator: use common PCI swizzle
ARM: 7416/1: LPAE: Remove unused L_PTE_(BUFFERABLE|CACHEABLE) macros
ARM: 7415/1: vfp: convert printk's to pr_*'s
ARM: decompressor: avoid speculative prefetch from non-RAM areas
ARM: Remove ARMv3 support from decompressor
ARM: 7413/1: move read_{boot,persistent}_clock to the architecture level
ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs
ARM: 7363/1: DEBUG_LL: limit early mapping to the minimum
ARM: 7391/1: versatile: add some auxdata for device trees
ARM: 7389/2: plat-versatile: modernize FPGA IRQ controller
AMBA: get rid of last two uses of NO_IRQ
ARM: 7408/1: cacheflush: return error to userspace when flushing syscall fails
ARM: 7409/1: Do not call flush_cache_user_range with mmap_sem held
ARM: 7404/1: cmpxchg64: use atomic64 and local64 routines for cmpxchg64
ARM: 7347/1: SCU: use cpu_logical_map for per-CPU low power mode
...
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Sigh, I missed to check which architecture Kconfig files actually
include the core Kconfig file. There are a few which did not. So we
broke them.
Instead of adding the includes to those, we are better off to move the
include to init/Kconfig like we did already with irqs and others.
This does not change anything for the architectures using the old
style periodic timer mode. It just solves the build wreckage there.
For those architectures which use the clock events infrastructure it
moves the include of the core Kconfig file to "General setup" which is
a way more logical place than having it at random locations specified
by the architecture specific Kconfigs.
Reported-by: Ingo Molnar <mingo@kernel.org>
Cc: Anna-Maria Gleixner <anna-maria@glx-um.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal into for-3.5
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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There is no point having the NET dependency on the select target, as it
forces all users to depend on NET to tell they support BPF_JIT. Move
the config option to the bottom of the file - this could be a nice place
also for future "selectable" config symbols.
Fix up all users to drop the dependency on NET now that it is not
required to supress warnings for non-NET builds.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin
Pull blackfin changes from Bob Liu:
"The biggest change was added an new processor(bf60x series).
Bf60x series processor of blackfin can up to 1GHz with Hardware
Support for HD Video Analytics, it use the same blackfin ISA but with
some changes on system buses, interrupt controller and peripheral
devices.
Added dir arch/blackfin/mach-bf609/ and did some changes to the
framework made linux working fine on the reference board bf609-ezkit
now."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin: (41 commits)
blackfin: fix build after add bf60x mach/pm.h
blackfin: twi: include linux/i2c.h
blackfin: bf60x: add head file for crc controller
blackfin: bf60x: twi: work around temporary anomaly 0501001
blackfin: twi: Move TWI MMR access macro to twi head file
blackfin: twi: Move TWI peripheral pin request array to platform data
blackfin: bf60x: anomaly: Add a temporary anomaly 0501001
blackfin: bf60x: Rename the DDR controller macro
blackfin: mach-bf609: pm: cleanup bfin_deepsleep
blackfin: bf60x: cleanup get clock code
blackfin: bf60x: pm: Add a debug option to calculate kernel wakeup time.
blackfin: bf60x: add wakeup source select
blackfin: bf60x: make clock changeable in kernel menuconfig
blackfin:mach-bf609: fix norflash for bf609-ezkit
blackfin: mach-bf609: add can_wakeup to ethernet device
blackfin: remove redundant CONFIG_BF60x macro
blackfin: rotary: Add pm_wakeup flag to platform data structure.
bfin_gpio: fix bf548-ezkit kernel fail to boot
bfin_dma: fix initcall return error in proc_dma_init()
Blackfin: delete fork func
...
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Pull c6x updates from Mark Salter:
"Clean up some c6x Kconfig items and add support for Elf FDPIC loader."
* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
C6X: remove unused config items
C6X: add support to build with BINFMT_ELF_FDPIC
C6X: change main arch kbuild symbol
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Setup CROSS_COMPILE at the top
m68k: Correct the Atari ALLOWINT definition
m68k/video: Create <asm/vga.h>
m68k: Make sure {read,write}s[bwl]() are always defined
m68k/mm: Port OOM changes to do_page_fault()
scsi/atari: Make more functions static
scsi/atari: Revive "atascsi=" setup option
net/ariadne: Improve debug prints
m68k/atari: Change VME irq numbers from unsigned long to unsigned int
m68k/amiga: Use arch_initcall() for registering platform devices
m68k/amiga: Add error checks when registering platform devices
m68k/amiga: Mark z_dev_present() __init
m68k: Remove unused MAX_NOINT_IPL definition
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"Just a random collection of bug-fixes and cleanups, nothing new in
this merge request."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (46 commits)
s390/ap: Fix wrong or missing comments
s390/ap: move receive callback to message struct
s390/dasd: re-prioritize partition detection message
s390/qeth: reshuffle initialization
s390/qeth: cleanup drv attr usage
s390/claw: cleanup drv attr usage
s390/lcs: cleanup drv attr usage
s390/ctc: cleanup drv attr usage
s390/ccwgroup: remove ccwgroup_create_from_string
s390/qeth: stop using struct ccwgroup driver for discipline callbacks
s390/qeth: switch to ccwgroup_create_dev
s390/claw: switch to ccwgroup_create_dev
s390/lcs: switch to ccwgroup_create_dev
s390/ctcm: switch to ccwgroup_create_dev
s390/ccwgroup: exploit ccwdev_by_dev_id
s390/ccwgroup: introduce ccwgroup_create_dev
s390: fix race on TIF_MCCK_PENDING
s390/barrier: make use of fast-bcr facility
s390/barrier: cleanup barrier functions
s390/claw: remove "eieio" calls
...
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