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authorAndi Kleen <andi@firstfloor.org>2009-05-27 21:56:55 +0200
committerH. Peter Anvin <hpa@zytor.com>2009-06-03 14:40:38 -0700
commitf6fb0ac0869500323c78fa21992fe1933af61e91 (patch)
tree852fe5dfa4057f8f07b70b9ae38c114b01e248a9 /arch/x86
parentca84f69697da0f004135e45b63ca560b6bd3554e (diff)
x86, mce: store record length into memory struct mce anchor
This makes it easier for tools who want to extract the mcelog out of crash images or memory dumps to adapt to changing struct mce size. The length field replaces padding, so it's fully compatible. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/mce.h2
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c5
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 63abf3b1943..0a61946d439 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -59,7 +59,7 @@ struct mce_log {
unsigned len; /* = MCE_LOG_LEN */
unsigned next;
unsigned flags;
- unsigned pad0;
+ unsigned recordlen; /* length of struct mce */
struct mce entry[MCE_LOG_LEN];
};
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 784f6ae9d6f..3db047e7a0f 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -108,8 +108,9 @@ EXPORT_PER_CPU_SYMBOL_GPL(injectm);
*/
static struct mce_log mcelog = {
- MCE_LOG_SIGNATURE,
- MCE_LOG_LEN,
+ .signature = MCE_LOG_SIGNATURE,
+ .len = MCE_LOG_LEN,
+ .recordlen = sizeof(struct mce),
};
void mce_log(struct mce *mce)