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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-31 14:20:02 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-31 14:20:02 +0100 |
| commit | ceb0885d3b01bb2e2f18765770e212914f2864be (patch) | |
| tree | 0952c90cd49704a9172e985ca491d79b60c40bc8 /arch/arm/mm/alignment.c | |
| parent | b31fc7af78e17b0203e1cd5a195c590e8adeae0d (diff) | |
| parent | 08458ef6eede6cf7d5a33c3a7c8bcdc3943012c2 (diff) | |
| download | blackbird-op-linux-ceb0885d3b01bb2e2f18765770e212914f2864be.tar.gz blackbird-op-linux-ceb0885d3b01bb2e2f18765770e212914f2864be.zip | |
Merge branch 'misc' into devel
Conflicts:
arch/arm/mm/init.c
Diffstat (limited to 'arch/arm/mm/alignment.c')
| -rw-r--r-- | arch/arm/mm/alignment.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index 6f98c358989a..d073b64ae87e 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -924,8 +924,20 @@ static int __init alignment_init(void) ai_usermode = UM_FIXUP; } - hook_fault_code(1, do_alignment, SIGILL, "alignment exception"); - hook_fault_code(3, do_alignment, SIGILL, "alignment exception"); + hook_fault_code(1, do_alignment, SIGBUS, BUS_ADRALN, + "alignment exception"); + + /* + * ARMv6K and ARMv7 use fault status 3 (0b00011) as Access Flag section + * fault, not as alignment error. + * + * TODO: handle ARMv6K properly. Runtime check for 'K' extension is + * needed. + */ + if (cpu_architecture() <= CPU_ARCH_ARMv6) { + hook_fault_code(3, do_alignment, SIGBUS, BUS_ADRALN, + "alignment exception"); + } return 0; } |
