From f8502cfbbf0bdd30603159a23d86cd19ad202a25 Mon Sep 17 00:00:00 2001 From: Hidetoshi Seto Date: Thu, 21 Oct 2010 17:46:49 +0900 Subject: [PATCH] x86, mce: ignore SRAO only when MCG_SER_P is available And restruct this block to call kvm_mce_in_exception() only when it is required. Signed-off-by: Hidetoshi Seto Signed-off-by: Marcelo Tosatti --- target-i386/kvm.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 512d533970..b813953028 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) { -- 2.11.4.GIT