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e2527ec369
linux/arch/powerpc/mm
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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
..
40x_mmu.c
44x_mmu.c powerpc: Delete __cpuinit usage from all users 2013-07-01 11:10:36 +10:00
dma-noncoherent.c mm/arch: use __free_reserved_page() to simplify the code 2013-11-13 12:09:03 +09:00
fault.c arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
fsl_booke_mmu.c powerpc/e6500: TLB miss handler with hardware tablewalk support 2014-01-09 17:52:19 -06:00
gup.c powerpc: Fix __get_user_pages_fast() irq handling 2013-11-21 10:33:37 +11:00
hash_low_32.S powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly 2012-07-11 14:18:22 +10:00
hash_low_64.S powerpc/mm: Free up _PAGE_COHERENCE for numa fault use later 2013-12-09 11:40:28 +11:00
hash_native_64.c powerpc: Book 3S MMU little endian support 2013-10-11 16:48:26 +11:00
hash_utils_64.c powerpc/mm: Free up _PAGE_COHERENCE for numa fault use later 2013-12-09 11:40:28 +11:00
highmem.c mm: fix race in kunmap_atomic() 2010-10-27 18:03:05 -07:00
hugepage-hash64.c powerpc/mm: Free up _PAGE_COHERENCE for numa fault use later 2013-12-09 11:40:28 +11:00
hugetlbpage-book3e.c powerpc/fsl-book3e-64: Use paca for hugetlb TLB1 entry selection 2014-01-09 17:52:20 -06:00
hugetlbpage-hash64.c powerpc/mm: Free up _PAGE_COHERENCE for numa fault use later 2013-12-09 11:40:28 +11:00
hugetlbpage.c powerpc/hugetlb: Replace __get_cpu_var with get_cpu_var 2014-01-29 17:02:26 +11:00
icswx_pid.c powerpc: Split ICSWX ACOP and PID processing 2011-11-25 14:11:27 +11:00
icswx.c powerpc: Fix typo "CONFIG_ICSWX_PID" 2013-04-18 13:03:54 +10:00
icswx.h powerpc/icswx: Fix race condition with IPI setting ACOP 2012-03-07 17:06:09 +11:00
init_32.c powerpc/8xx: Fixing memory init issue with CONFIG_PIN_TLB 2013-10-28 21:11:22 -05:00
init_64.c powerpc: Prepare to support kernel handling of IOMMU map/unmap 2013-10-11 17:24:39 +11:00
Makefile powerpc/THP: Add code to handle HPTE faults for hugepages 2013-06-21 16:01:56 +10:00
mem.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-01-27 21:11:26 -08:00
mmap.c mm: remove free_area_cache 2013-07-10 18:11:34 -07:00
mmu_context_hash32.c powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:30:38 -04:00
mmu_context_hash64.c powerpc: Reduce PTE table memory wastage 2013-04-30 16:00:07 +10:00
mmu_context_nohash.c powerpc: Delete __cpuinit usage from all users 2013-07-01 11:10:36 +10:00
mmu_decl.h powerpc/fsl_booke: smp support for booting a relocatable kernel above 64M 2014-01-09 17:52:18 -06:00
numa.c powerpc/numa: Fix decimal permissions 2014-01-29 16:58:48 +11:00
pgtable_32.c powerpc: add barrier after writing kernel PTE 2014-01-09 17:52:19 -06:00
pgtable_64.c Merge remote-tracking branch 'scott/next' into next 2014-01-15 14:22:35 +11:00
pgtable.c powerpc: Delete non-required instances of include <linux/init.h> 2014-01-15 13:46:44 +11:00
ppc_mmu_32.c
slb_low.S powerpc: Rename USER_ESID_BITS* to ESID_BITS* 2013-03-17 12:45:44 +11:00
slb.c powerpc: Fix little endian lppaca, slb_shadow and dtl_entry 2013-08-14 15:33:35 +10:00
slice.c powerpc/mm: Fix mmap errno when MAP_FIXED is set and mapping exceeds the allowed address space 2014-01-29 17:02:25 +11:00
stab.c powerpc/mm: Remove uses of abs_to_virt() and virt_to_abs() 2012-09-05 15:19:31 +10:00
subpage-prot.c powerpc: Fix a number of sparse warnings 2013-08-14 11:50:24 +10:00
tlb_hash32.c powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:30:38 -04:00
tlb_hash64.c powerpc: Delete non-required instances of include <linux/init.h> 2014-01-15 13:46:44 +11:00
tlb_low_64e.S powerpc/booke64: Guard e6500 tlb handler with CONFIG_PPC_FSL_BOOK3E 2014-01-17 18:43:14 -06:00
tlb_nohash_low.S powerpc/fsl_booke: smp support for booting a relocatable kernel above 64M 2014-01-09 17:52:18 -06:00
tlb_nohash.c powerpc/booke64: Guard e6500 tlb handler with CONFIG_PPC_FSL_BOOK3E 2014-01-17 18:43:14 -06:00