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>
This commit is contained in:
Andi Kleen 2009-05-27 21:56:55 +02:00 committed by H. Peter Anvin
parent ca84f69697
commit f6fb0ac086
2 changed files with 4 additions and 3 deletions

View File

@ -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];
};

View File

@ -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)