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[Qemu-devel] [PATCH 01/11] kvm, x86: ignore SRAO only when MCG_SER_P is
From: |
Jin Dongming |
Subject: |
[Qemu-devel] [PATCH 01/11] kvm, x86: ignore SRAO only when MCG_SER_P is available |
Date: |
Thu, 14 Oct 2010 17:41:03 +0900 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 6.1; ja; rv:1.9.2.7) Gecko/20100713 Thunderbird/3.1.1 |
And restruct this block to call kvm_mce_in_exception() only when it is
required.
Signed-off-by: Hidetoshi Seto <address@hidden>
Tested-by: Jin Dongming <address@hidden>
---
qemu-kvm.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/qemu-kvm.c b/qemu-kvm.c
index e78d850..6f62973 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -1903,12 +1903,15 @@ 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) {
--
1.7.1.1
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