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authorIngo Molnar <mingo@elte.hu>2009-01-18 20:15:05 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-18 20:15:05 +0100
commit4092762aebfe55c1f8e31440b80a053c2dbe519b (patch)
tree8fb9fd14131194174c12daf5d8195afd3b62bc3e /arch/ia64/kernel/unaligned.c
parenttrace: set max latency variable to zero on default (diff)
parentLinux 2.6.29-rc2 (diff)
downloadlinux-4092762aebfe55c1f8e31440b80a053c2dbe519b.tar.xz
linux-4092762aebfe55c1f8e31440b80a053c2dbe519b.zip
Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc2' into tracing/core
Diffstat (limited to 'arch/ia64/kernel/unaligned.c')
-rw-r--r--arch/ia64/kernel/unaligned.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index ff0e7c10faa7..6db08599ebbc 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -59,6 +59,7 @@ dump (const char *str, void *vp, size_t len)
* (i.e. don't allow attacker to fill up logs with unaligned accesses).
*/
int no_unaligned_warning;
+int unaligned_dump_stack;
static int noprint_warning;
/*
@@ -1371,9 +1372,12 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
}
}
} else {
- if (within_logging_rate_limit())
+ if (within_logging_rate_limit()) {
printk(KERN_WARNING "kernel unaligned access to 0x%016lx, ip=0x%016lx\n",
ifa, regs->cr_iip + ipsr->ri);
+ if (unaligned_dump_stack)
+ dump_stack();
+ }
set_fs(KERNEL_DS);
}