* [Qemu-devel] [PATCH] x86, mce: ignore SRAO only when MCG_SER_P is available
@ 2010-10-21 8:46 Hidetoshi Seto
0 siblings, 0 replies; only message in thread
From: Hidetoshi Seto @ 2010-10-21 8:46 UTC (permalink / raw)
To: qemu-devel
Cc: Jin Dongming, Dean Nelson, Marcelo Tosatti, kvm@vger.kernel.org,
Huang Ying
And restruct this block to call kvm_mce_in_exception() only when it is
required.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
---
target-i386/kvm.c | 16 ++++++++++------
1 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 786eeeb..a0d0603 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -239,12 +239,16 @@ static void kvm_do_inject_x86_mce(void *_data)
struct kvm_x86_mce_data *data = _data;
int r;
- /* If there is an MCE excpetion being processed, ignore this SRAO MCE */
- r = kvm_mce_in_exception(data->env);
- if (r == -1)
- fprintf(stderr, "Failed to get MCE status\n");
- else if (r && !(data->mce->status & MCI_STATUS_AR))
- return;
+ /* If there is an MCE exception being processed, ignore this SRAO MCE */
+ if ((data->env->mcg_cap & MCG_SER_P) &&
+ !(data->mce->status & MCI_STATUS_AR)) {
+ r = kvm_mce_in_exception(data->env);
+ if (r == -1) {
+ fprintf(stderr, "Failed to get MCE status\n");
+ } else if (r) {
+ return;
+ }
+ }
r = kvm_set_mce(data->env, data->mce);
if (r < 0) {
--
1.6.5.2
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