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94b09d7554
linux/arch/powerpc
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Tiejun Chen 94b09d7554 powerpc/hugetlb: Replace __get_cpu_var with get_cpu_var 
Replace __get_cpu_var safely with get_cpu_var to avoid
the following call trace:

[ 7253.637591] BUG: using smp_processor_id() in preemptible [00000000 00000000]
code: hugemmap01/9048
[ 7253.637601] caller is free_hugepd_range.constprop.25+0x88/0x1a8
[ 7253.637605] CPU: 1 PID: 9048 Comm: hugemmap01 Not tainted 3.10.20-rt14+ #114
[ 7253.637606] Call Trace:
[ 7253.637617] [cb049d80] [c0007ea4] show_stack+0x4c/0x168 (unreliable)
[ 7253.637624] [cb049dc0] [c031c674] debug_smp_processor_id+0x114/0x134
[ 7253.637628] [cb049de0] [c0016d28] free_hugepd_range.constprop.25+0x88/0x1a8
[ 7253.637632] [cb049e00] [c001711c] hugetlb_free_pgd_range+0x6c/0x168
[ 7253.637639] [cb049e40] [c0117408] free_pgtables+0x12c/0x150
[ 7253.637646] [cb049e70] [c011ce38] unmap_region+0xa0/0x11c
[ 7253.637671] [cb049ef0] [c011f03c] do_munmap+0x224/0x3bc
[ 7253.637676] [cb049f20] [c011f2e0] vm_munmap+0x38/0x5c
[ 7253.637682] [cb049f40] [c000ef88] ret_from_syscall+0x0/0x3c
[ 7253.637686] --- Exception: c01 at 0xff16004

Signed-off-by: Tiejun Chen<tiejun.chen@windriver.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-01-29 17:02:26 +11:00
..
boot Merge remote-tracking branch 'agust/next' into next 2014-01-29 16:53:55 +11:00
configs Merge remote-tracking branch 'scott/next' into next 2014-01-15 14:22:35 +11:00
crypto
include powerpc/pseries/cpuidle: smt-snooze-delay cleanup. 2014-01-29 17:02:24 +11:00
kernel powerpc: Make sure "cache" directory is removed when offlining cpu 2014-01-29 17:02:26 +11:00
kvm Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-01-27 21:11:26 -08:00
lib powerpc: Add vr save/restore functions 2014-01-15 13:46:43 +11:00
math-emu powerpc: fix e500 SPE float SIGFPE generation 2014-01-07 18:43:42 -06:00
mm powerpc/hugetlb: Replace __get_cpu_var with get_cpu_var 2014-01-29 17:02:26 +11:00
net bpf: do not use reciprocal divide 2014-01-15 17:02:08 -08:00
oprofile powerpc: Delete non-required instances of include <linux/init.h> 2014-01-15 13:46:44 +11:00
perf powerpc/perf: Fix handling of FAB events 2013-10-03 17:25:38 +10:00
platforms powerpc/powernv/cpuidle: Back-end cpuidle driver for powernv platform. 2014-01-29 17:02:24 +11:00
sysdev powerpc/iommu: Fix initialisation of DART iommu table 2014-01-29 16:58:49 +11:00
xmon powerpc/book3s: Introduce exclusive emergency stack for machine check exception. 2013-12-05 16:02:05 +11:00
Kconfig Merge remote-tracking branch 'scott/next' into next 2014-01-29 16:55:25 +11:00
Kconfig.debug Merge branch 'kconfig-diet' from Dave Hansen 2013-07-04 11:25:51 -07:00
Makefile powerpc: Fix error when cross building TAGS & cscope 2013-11-25 11:49:11 +11:00
relocs_check.pl