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00b30cf04a
linux/arch/x86
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cpw@sgi.com 00b30cf04a x86, UV: Fix smp_processor_id() use in a preemptable region 
Fix a call by tunables_write() to smp_processor_id() within a
preemptable region.

Call get_cpu()/put_cpu() around the region where the returned
cpu number is actually used, which makes it non-preemptable.

A DEBUG_PREEMPT warning is prevented.

UV does not support cpu hotplug yet, but this is a step toward
that ability as well.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20110621122242.086384966@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-06-21 14:50:31 +02:00
..
boot x86, setup: When probing memory with e801, use ax/bx as a pair 2011-04-25 14:52:37 -07:00
configs cgroup: remove the ns_cgroup 2011-05-26 17:12:34 -07:00
crypto crypto: aesni-intel - fix aesni build on i386 2011-05-18 09:03:34 +10:00
ia32 ns: Wire up the setns system call 2011-05-28 10:48:39 -07:00
include/asm x86, UV: Clean up uv_mmrs.h 2011-05-30 11:08:48 +02:00
kernel Merge branch 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6 2011-05-29 11:18:09 -07:00
kvm vmscan: change shrinker API by passing shrink_control struct 2011-05-25 08:39:26 -07:00
lguest Merge branch 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-05-19 17:44:13 -07:00
lib Merge branches 'x86-apic-for-linus', 'x86-asm-for-linus' and 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-05-19 17:49:35 -07:00
math-emu
mm x86: Move do_page_fault()'s error path under unlikely() 2011-05-26 13:54:03 +02:00
net net: filter: Just In Time compiler for x86-64 2011-04-27 23:05:08 -07:00
oprofile Merge branch 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/urgent 2011-05-27 14:08:09 +02:00
pci x66, UV: Enable 64-bit ACPI MFCG support for SGI UV2 platform 2011-06-03 16:00:03 +02:00
platform x86, UV: Fix smp_processor_id() use in a preemptable region 2011-06-21 14:50:31 +02:00
power
tools
vdso x86: vdso: Remove unused variable 2011-05-26 13:17:35 +02:00
video
xen Merge branch 'upstream/tidy-xen-mmu-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen 2011-05-26 19:01:15 -07:00
.gitignore
Kbuild net: filter: Just In Time compiler for x86-64 2011-04-27 23:05:08 -07:00
Kconfig arch: remove CONFIG_GENERIC_FIND_{NEXT_BIT,BIT_LE,LAST_BIT} 2011-05-26 17:12:38 -07:00
Kconfig.cpu x86, cpu: Move AMD Elan Kconfig under "Processor family" 2011-04-08 13:01:25 -07:00
Kconfig.debug lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
Makefile
Makefile_32.cpu x86, cpu: Move AMD Elan Kconfig under "Processor family" 2011-04-08 13:01:25 -07:00