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[Qemu-devel] [PATCH] x86, mce: ignore SRAO only when MCG_SER_P is availa
From: |
Hidetoshi Seto |
Subject: |
[Qemu-devel] [PATCH] x86, mce: ignore SRAO only when MCG_SER_P is available |
Date: |
Thu, 21 Oct 2010 17:46:49 +0900 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 6.0; ja; rv:1.9.2.9) Gecko/20100915 Thunderbird/3.1.4 |
And restruct this block to call kvm_mce_in_exception() only when it is
required.
Signed-off-by: Hidetoshi Seto <address@hidden>
---
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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