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authorMatt Fleming <matt@console-pimps.org>2009-07-11 01:00:23 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-07-11 10:07:58 +0900
commitb99610fb9cdf390965c62c22322596d961591160 (patch)
tree0c836b4390370b4848f151e3b3cbe27e6d8b48e2 /arch/sh/kernel
parentc652d780c9cf7f860141de232b37160fe013feca (diff)
sh: Provide diagnostic kernel stack checks
Enable kernel stack checking code in both the dynamic ftrace and mcount code paths. Check the stack to see if it's overflowing and make sure that the stack pointer contains an address that's either in init_stack or after the bss. Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel')
-rw-r--r--arch/sh/kernel/asm-offsets.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sh/kernel/asm-offsets.c b/arch/sh/kernel/asm-offsets.c
index 99aceb28ee2..d218e808294 100644
--- a/arch/sh/kernel/asm-offsets.c
+++ b/arch/sh/kernel/asm-offsets.c
@@ -26,6 +26,7 @@ int main(void)
DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
DEFINE(TI_RESTART_BLOCK,offsetof(struct thread_info, restart_block));
+ DEFINE(TI_SIZE, sizeof(struct thread_info));
#ifdef CONFIG_HIBERNATION
DEFINE(PBE_ADDRESS, offsetof(struct pbe, address));