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ed16669298
linux/arch/powerpc/mm
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Michael Ellerman ed16669298 [POWERPC] Initialise spinlock in the DEBUG_PAGEALLOC code 
Fixes:

BUG: spinlock bad magic on CPU#0, swapper/0
 lock: c00000000064ec30, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
Call Trace:
[c00000000062b980] [c00000000000f920] .show_stack+0x6c/0x1a0 (unreliable)
[c00000000062ba20] [c0000000001c2b40] .spin_bug+0xb0/0xd4
[c00000000062bab0] [c0000000001c2ed0] ._raw_spin_lock+0x44/0x184
[c00000000062bb50] [c0000000003a42b4] ._spin_lock+0x10/0x24
[c00000000062bbd0] [c00000000002b4dc] .kernel_map_pages+0x198/0x278
[c00000000062bc90] [c000000000079720] .free_hot_cold_page+0x124/0x418
[c00000000062bd70] [c000000000530278] .free_all_bootmem_core+0x14c/0x224
[c00000000062be50] [c00000000052a178] .mem_init+0x68/0x170
[c00000000062bee0] [c00000000051d874] .start_kernel+0x2a0/0x37c
[c00000000062bf90] [c0000000000084c8] .start_here_common+0x54/0x8c

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-02 20:04:29 +10:00
..
4xx_mmu.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
44x_mmu.c [POWERPC] Fix powerpc 44x_mmu build 2006-08-25 13:41:41 +10:00
fault.c [PATCH] Do a single one-line printk in bad_page_fault() 2006-11-13 14:48:56 +11:00
fsl_booke_mmu.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
hash_low_32.S [POWERPC] Fix 32-bit mm operations when not using BATs 2007-04-13 04:09:39 +10:00
hash_low_64.S [POWERPC] Allow drivers to map individual 4k pages to userspace 2007-04-13 03:55:18 +10:00
hash_native_64.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
hash_utils_64.c [POWERPC] Initialise spinlock in the DEBUG_PAGEALLOC code 2007-05-02 20:04:29 +10:00
hugetlbpage.c [POWERPC] Make tlb flush batch use lazy MMU mode 2007-04-13 04:09:38 +10:00
imalloc.c [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
init_32.c [POWERPC] DEBUG_PAGEALLOC for 32-bit 2007-04-13 04:09:39 +10:00
init_64.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
lmb.c [POWERPC] Allow duplicate lmb_reserve() calls 2007-03-08 15:43:28 +11:00
Makefile [POWERPC] ps3: multiplatform build fixes 2006-12-04 20:41:16 +11:00
mem.c [POWERPC] Remove unneeded page_is_ram export 2007-05-02 16:40:57 +10:00
mmap.c [PATCH] powerpc: trivial: modify comments to refer to new location of files 2006-02-10 16:53:51 +11:00
mmu_context_32.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
mmu_context_64.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
mmu_decl.h [POWERPC] Cleanup and fix breakage in tlbflush.h 2007-04-24 22:08:56 +10:00
numa.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
pgtable_32.c [POWERPC] Abolish PHYS_FMT macro from arch/powerpc 2007-04-24 22:11:16 +10:00
pgtable_64.c [POWERPC] Fix bug with early ioremap and 64k pages 2007-02-16 14:00:20 +11:00
ppc_mmu_32.c [POWERPC] DEBUG_PAGEALLOC for 32-bit 2007-04-13 04:09:39 +10:00
slb_low.S [POWERPC] implement BEGIN/END_FW_FTR_SECTION 2006-10-03 16:50:21 +10:00
slb.c [POWERPC] iSeries: fix slb.c for combined build 2006-12-04 20:39:19 +11:00
stab.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
tlb_32.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
tlb_64.c [POWERPC] Make tlb flush batch use lazy MMU mode 2007-04-13 04:09:38 +10:00