summaryrefslogtreecommitdiffstats
path: root/arch/arm/mm/alignment.c
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2010-08-04 15:14:38 +0200
committerJiri Kosina <jkosina@suse.cz>2010-08-04 15:14:38 +0200
commitd790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch)
tree854ab394486288d40fa8179cbfaf66e8bdc44b0f /arch/arm/mm/alignment.c
parent73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff)
parent3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff)
downloadop-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.zip
op-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.tar.gz
Merge branch 'master' into for-next
Diffstat (limited to 'arch/arm/mm/alignment.c')
-rw-r--r--arch/arm/mm/alignment.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 6f98c35..d073b64 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;
}
OpenPOWER on IntegriCloud