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8efdfc3a4e
linux/arch/tile/kernel
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Yong Zhang 8efdfc3a4e tile: SMP: Remove call to ipi_call_lock()/ipi_call_unlock() 
ipi_call_lock/unlock() lock resp. unlock call_function.lock. This lock
protects only the call_function data structure itself, but it's
completely unrelated to cpu_online_mask. The mask to which the IPIs
are sent is calculated before call_function.lock is taken in
smp_call_function_many(), so the locking around set_cpu_online() is
pointless and can be removed.

[ tglx: Massaged changelog ]

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: ralf@linux-mips.org
Cc: sshtylyov@mvista.com
Cc: david.daney@cavium.com
Cc: nikunj@linux.vnet.ibm.com
Cc: paulmck@linux.vnet.ibm.com
Cc: axboe@kernel.dk
Cc: peterz@infradead.org
Cc: Chris Metcalf <cmetcalf@tilera.com>
Link: http://lkml.kernel.org/r/1338275765-3217-6-git-send-email-yong.zhang0@gmail.com
Acked-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2012-06-05 17:27:12 +02:00
..
asm-offsets.c arch/tile: core support for Tilera 32-bit chips. 2010-06-04 17:11:18 -04:00
backtrace.c arch/tile: factor out <arch/opcode.h> header 2011-11-03 16:58:54 -04:00
compat_signal.c most of set_current_blocked() callers want SIGKILL/SIGSTOP removed from set 2012-06-01 12:58:51 -04:00
compat.c [PATCH v3] ipc: provide generic compat versions of IPC syscalls 2012-03-15 13:13:38 -04:00
early_printk.c Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
entry.S arch/tile: use interrupt critical sections less 2012-05-25 12:48:20 -04:00
futex_64.S arch/tile: finish enabling support for TILE-Gx 64-bit chip 2011-05-12 15:52:12 -04:00
hardwall.c arch/tile: fix hardwall for tilegx and generalize for idn and ipi 2012-05-25 12:48:27 -04:00
head_32.S arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
head_64.S arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
hvglue.lds arch/tile: support multiple huge page sizes dynamically 2012-05-25 12:48:27 -04:00
intvec_32.S arch/tile: fix up some issues in calling do_work_pending() 2012-05-16 16:01:16 -04:00
intvec_64.S arch/tile: fix hardwall for tilegx and generalize for idn and ipi 2012-05-25 12:48:27 -04:00
irq.c arch/tile: use new generic {enable,disable}_percpu_irq() routines 2011-12-03 15:31:49 -05:00
machine_kexec.c arch/tile: support kexec() for tilegx 2012-05-25 12:48:25 -04:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2012-05-25 15:59:38 -07:00
messaging.c arch/tile: bomb raw_local_irq_ to arch_local_irq_ 2010-11-01 15:30:42 -04:00
module.c arch/tile: support building big-endian kernel 2012-05-25 12:48:22 -04:00
pci-dma.c arch/tile: add a few #includes and an EXPORT to catch up with kernel changes. 2011-12-03 15:31:41 -05:00
pci.c arch/tile: fix a couple of functions that should be __init 2012-04-25 12:45:26 -04:00
proc.c arch/tile: support multiple huge page sizes dynamically 2012-05-25 12:48:27 -04:00
process.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2012-05-31 18:47:30 -07:00
ptrace.c arch/tile: don't allow user code to set the PL via ptrace or signal return 2010-11-01 15:31:17 -04:00
reboot.c arch/tile: bomb raw_local_irq_ to arch_local_irq_ 2010-11-01 15:30:42 -04:00
regs_32.S Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
regs_64.S Disintegrate asm/system.h for Tile 2012-03-28 18:30:03 +01:00
relocate_kernel_32.S arch/tile: support kexec() for tilegx 2012-05-25 12:48:25 -04:00
relocate_kernel_64.S arch/tile: support kexec() for tilegx 2012-05-25 12:48:25 -04:00
setup.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2012-05-25 15:59:38 -07:00
signal.c new helper: signal_delivered() 2012-06-01 12:58:52 -04:00
single_step.c arch/tile: support building big-endian kernel 2012-05-25 12:48:22 -04:00
smp.c arch/tile: Allow tilegx to build with either 16K or 64K page size 2012-05-25 12:48:24 -04:00
smpboot.c tile: SMP: Remove call to ipi_call_lock()/ipi_call_unlock() 2012-06-05 17:27:12 +02:00
stack.c arch/tile: various bugs in stack backtracer 2012-04-02 12:12:45 -04:00
sys.c arch/tile: support <asm/cachectl.h> header for cacheflush() syscall 2012-05-25 12:48:24 -04:00
sysfs.c arch/tile: allow querying cpu module information from the hypervisor 2012-05-25 12:48:28 -04:00
tile-desc_32.c arch/tile: factor out <arch/opcode.h> header 2011-11-03 16:58:54 -04:00
tile-desc_64.c arch/tile: factor out <arch/opcode.h> header 2011-11-03 16:58:54 -04:00
time.c clocksource: tile: convert to use clocksource_register_hz 2011-06-03 17:26:21 -04:00
tlb.c arch/tile: support multiple huge page sizes dynamically 2012-05-25 12:48:27 -04:00
traps.c arch/tile: add descriptive text if the kernel reports a bad trap 2012-05-25 12:48:28 -04:00
vmlinux.lds.S percpu: Always align percpu output section to PAGE_SIZE 2011-03-24 18:50:09 +01:00