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authorBorislav Petkov <borislav.petkov@amd.com>2011-07-18 11:24:45 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-10-31 15:10:05 -0200
commitf0cb54524366654e72c87e0a1f87c0b3ff36deb3 (patch)
treecf77a301ebb362682b258c9ca6d87d48d14cc848 /arch/x86
parent5034086b72e4e2d42f0db4b4ebb0fe0129ebdeae (diff)
x86, MCE: Use notifier chain only for MCE decoding
Drop the edac_mce custom hook in favor of the generic notifier mechanism. Also, do not log the error to mcelog if the notified agent was able to decode it. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 08363b04212..019786a6b0b 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -144,23 +144,20 @@ static struct mce_log mcelog = {
void mce_log(struct mce *mce)
{
unsigned next, entry;
+ int ret = 0;
/* Emit the trace record: */
trace_mce_record(mce);
+ ret = atomic_notifier_call_chain(&x86_mce_decoder_chain, 0, mce);
+ if (ret == NOTIFY_STOP)
+ return;
+
mce->finished = 0;
wmb();
for (;;) {
entry = rcu_dereference_check_mce(mcelog.next);
for (;;) {
- /*
- * If edac_mce is enabled, it will check the error type
- * and will process it, if it is a known error.
- * Otherwise, the error will be sent through mcelog
- * interface
- */
- if (edac_mce_parse(mce))
- return;
/*
* When the buffer fills up discard new entries.
@@ -551,10 +548,8 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
* Don't get the IP here because it's unlikely to
* have anything to do with the actual error location.
*/
- if (!(flags & MCP_DONTLOG) && !mce_dont_log_ce) {
+ if (!(flags & MCP_DONTLOG) && !mce_dont_log_ce)
mce_log(&m);
- atomic_notifier_call_chain(&x86_mce_decoder_chain, 0, &m);
- }
/*
* Clear state for this bank.