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Segher Boessenkool 9ba4ace39f [POWERPC] PowerPC: Prevent data exception in kernel space (32-bit) ... The "is_exec" branch of the protection check in do_page_fault() didn't do anything on 32-bit PowerPC. So if a userland program jumps to a page with Linux protection flags "---p", all the tests happily fall through, and handle_mm_fault() is called, which in turn calls handle_pte_fault(), which calls update_mmu_cache(), which goes flush the dcache to a page with no access rights. Boom. This fixes it. Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org> Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Paul Mackerras <paulus@samba.org>		18 years ago
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4xx_mmu.c	…
44x_mmu.c	…
Makefile	[POWERPC] Introduce address space "slices"	18 years ago
fault.c	[POWERPC] PowerPC: Prevent data exception in kernel space (32-bit)	18 years ago
fsl_booke_mmu.c	…
hash_low_32.S	[POWERPC] Fix COMMON symbol warnings	18 years ago
hash_low_64.S	[POWERPC] Add ability to 4K kernel to hash in 64K pages	18 years ago
hash_native_64.c	[POWERPC] Remove unused variable in hpte_decode()	18 years ago
hash_utils_64.c	[POWERPC] Correct #endif comment	18 years ago
hugetlbpage.c	[POWERPC] Introduce address space "slices"	18 years ago
imalloc.c	…
init_32.c	…
init_64.c	[POWERPC] Don't use SLAB/SLUB for PTE pages	18 years ago
lmb.c	…
mem.c	[POWERPC] Fix warning in 32-bit builds with CONFIG_HIGHMEM	18 years ago
mmap.c	Detach sched.h from mm.h	18 years ago
mmu_context_32.c	…
mmu_context_64.c	[POWERPC] Introduce address space "slices"	18 years ago
mmu_decl.h	[POWERPC] Revise PPC44x MMU code for arch/powerpc	18 years ago
numa.c	Add suspend-related notifications for CPU hotplug	18 years ago
pgtable_32.c	[POWERPC] Fix modpost warning	18 years ago
pgtable_64.c	[POWERPC] Add spinlock to request_phb_iospace()	18 years ago
ppc_mmu_32.c	[POWERPC] Further fixes for the removal of 4level-fixup hack from ppc32	18 years ago
slb.c	[POWERPC] Introduce address space "slices"	18 years ago
slb_low.S	[POWERPC] Introduce address space "slices"	18 years ago
slice.c	[POWERPC] Introduce address space "slices"	18 years ago
stab.c	…
tlb_32.c	[POWERPC] Further fixes for the removal of 4level-fixup hack from ppc32	18 years ago
tlb_64.c	[POWERPC] Add ability to 4K kernel to hash in 64K pages	18 years ago