94b09d7554
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> |
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.. | ||
40x_mmu.c | ||
44x_mmu.c | ||
dma-noncoherent.c | ||
fault.c | ||
fsl_booke_mmu.c | ||
gup.c | ||
hash_low_32.S | ||
hash_low_64.S | ||
hash_native_64.c | ||
hash_utils_64.c | ||
highmem.c | ||
hugepage-hash64.c | ||
hugetlbpage-book3e.c | ||
hugetlbpage-hash64.c | ||
hugetlbpage.c | ||
icswx_pid.c | ||
icswx.c | ||
icswx.h | ||
init_32.c | ||
init_64.c | ||
Makefile | ||
mem.c | ||
mmap.c | ||
mmu_context_hash32.c | ||
mmu_context_hash64.c | ||
mmu_context_nohash.c | ||
mmu_decl.h | ||
numa.c | ||
pgtable_32.c | ||
pgtable_64.c | ||
pgtable.c | ||
ppc_mmu_32.c | ||
slb_low.S | ||
slb.c | ||
slice.c | ||
stab.c | ||
subpage-prot.c | ||
tlb_hash32.c | ||
tlb_hash64.c | ||
tlb_low_64e.S | ||
tlb_nohash_low.S | ||
tlb_nohash.c |