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Paul Mundt 90eed7d87b sh: Fix up recursive fault in oops with unset TTB. 
Presently the oops code looks for the pgd either from the mm context or
the cached TTB value. There are presently cases where the TTB can be
unset or otherwise cleared by hardware, which we weren't handling,
resulting in recursive faults on the NULL pgd. In these cases we can
simply reload from swapper_pg_dir and continue on as normal.

Cc: stable@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
 		2012-07-25 13:11:13 +09:00
..
Kconfig memblock: Kill early_node_map[] 2011-12-08 10:22:09 -08:00
Makefile sh64: Fix up caller-save register settings for fast-path. 2012-05-14 16:46:07 +09:00
alignment.c sh: use printk_ratelimited instead of printk_ratelimit 2011-06-30 15:10:06 +09:00
asids-debugfs.c sh: provide generic arch_debugfs_dir. 2010-09-24 04:04:26 +09:00
cache-debugfs.c sh: fix wrong icache/dcache address-array start addr in cache-debugfs. 2011-06-06 12:30:02 +09:00
cache-sh2.c sh: Mass ctrl_in/outX to __raw_read/writeX conversion. 2010-01-26 12:58:40 +09:00
cache-sh2a.c sh: Fix sh2a build error for CONFIG_CACHE_WRITETHROUGH 2012-02-24 13:21:46 +09:00
cache-sh3.c sh: Mass ctrl_in/outX to __raw_read/writeX conversion. 2010-01-26 12:58:40 +09:00
cache-sh4.c sh: fix up fallout from system.h disintegration. 2012-03-30 19:29:57 +09:00
cache-sh5.c tree-wide: fix comment/printk typos 2010-11-01 15:38:34 -04:00
cache-sh7705.c sh: Assume new page cache pages have dirty dcache lines. 2010-12-01 15:39:51 +09:00
cache-shx3.c sh: Zero out aliases counter when using SH-X3 hardware assistance. 2010-04-20 15:37:23 +09:00
cache.c sh: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:15 +08:00
consistent.c SH: adapt for dma_map_ops changes 2012-03-28 16:36:37 +02:00
extable_32.c sh: Split out extable.c _32 and _64 variants. 2008-01-28 13:18:44 +09:00
extable_64.c sh: comment tidying for sh64->sh migration. 2008-01-28 13:18:58 +09:00
fault.c sh: Fix up recursive fault in oops with unset TTB. 2012-07-25 13:11:13 +09:00
flush-sh4.c sh: fix up fallout from system.h disintegration. 2012-03-30 19:29:57 +09:00
gup.c sh: lockless get_user_pages_fast() 2010-10-27 16:43:08 +09:00
hugetlbpage.c thp: pte alloc trans splitting 2011-01-13 17:32:40 -08:00
init.c memblock: s/memblock_analyze()/memblock_allow_resize()/ and update users 2011-12-08 10:22:08 -08:00
ioremap.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ioremap_fixed.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
kmap.c sh: Assume new page cache pages have dirty dcache lines. 2010-12-01 15:39:51 +09:00
mmap.c fix broken aliasing checks for MAP_FIXED on sparc32, mips, arm and sh 2009-12-11 06:44:59 -05:00
nommu.c sh: stub __flush_tlb_global() definition for nommu. 2010-08-16 14:53:01 +09:00
numa.c lmb: rename to memblock 2010-07-14 17:14:00 +10:00
pgtable.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
pmb.c Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
sram.c sh: fix up fallout from system.h disintegration. 2012-03-30 19:29:57 +09:00
tlb-debugfs.c sh: provide generic arch_debugfs_dir. 2010-09-24 04:04:26 +09:00
tlb-pteaex.c Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
tlb-sh3.c Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
tlb-sh4.c Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
tlb-sh5.c sh64: Fix up section mismatch warnings. 2012-06-14 15:05:53 +09:00
tlb-urb.c sh: update the TLB replacement counter for entry wiring. 2010-03-26 11:37:16 +09:00
tlbex_32.c sh: Enable shared page fault handler for _32/_64. 2012-05-14 15:33:28 +09:00
tlbex_64.c sh64: Set additional fault code values. 2012-05-14 17:46:49 +09:00
tlbflush_32.c sh: Provide a global TLB flush for U/I-TLB clear. 2010-07-02 15:44:09 +09:00
tlbflush_64.c sh64: Migrate to __update_tlb() API. 2012-05-14 15:52:28 +09:00
uncached.c sh: nommu: use 32-bit phys mode. 2010-11-04 12:32:24 +09:00