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authorHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>2010-10-21 17:47:06 +0900
committerMarcelo Tosatti <mtosatti@redhat.com>2010-10-21 13:11:38 -0200
commitf71ac88fe97620f9cc80facc5e00826b8256fe5d (patch)
treeb2137b42003a2a5612871b6a0c19dcce407141aa /target-i386
parentf8502cfbbf0bdd30603159a23d86cd19ad202a25 (diff)
downloadhqemu-f71ac88fe97620f9cc80facc5e00826b8256fe5d.zip
hqemu-f71ac88fe97620f9cc80facc5e00826b8256fe5d.tar.gz
x86, mce: broadcast mce depending on the cpu version
There is no reason why SRAO event received by the main thread is the only one that being broadcasted. According to the x86 ASDM vol.3A 15.10.4.1, MCE signal is broadcast on processor version 06H_EH or later. This change is required to handle SRAR in smp guests. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/kvm.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index b813953..9144f74 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -1636,6 +1636,28 @@ static void hardware_memory_error(void)
exit(1);
}
+#ifdef KVM_CAP_MCE
+static void kvm_mce_broadcast_rest(CPUState *env)
+{
+ CPUState *cenv;
+ int family, model, cpuver = env->cpuid_version;
+
+ family = (cpuver >> 8) & 0xf;
+ model = ((cpuver >> 12) & 0xf0) + ((cpuver >> 4) & 0xf);
+
+ /* Broadcast MCA signal for processor version 06H_EH and above */
+ if ((family == 6 && model >= 14) || family > 6) {
+ for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
+ if (cenv == env) {
+ continue;
+ }
+ kvm_inject_x86_mce(cenv, 1, MCI_STATUS_VAL | MCI_STATUS_UC,
+ MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0, 1);
+ }
+ }
+}
+#endif
+
int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr)
{
#if defined(KVM_CAP_MCE)
@@ -1693,6 +1715,7 @@ int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr)
fprintf(stderr, "kvm_set_mce: %s\n", strerror(errno));
abort();
}
+ kvm_mce_broadcast_rest(env);
} else
#endif
{
@@ -1715,7 +1738,6 @@ int kvm_on_sigbus(int code, void *addr)
void *vaddr;
ram_addr_t ram_addr;
target_phys_addr_t paddr;
- CPUState *cenv;
/* Hope we are lucky for AO MCE */
vaddr = addr;
@@ -1731,10 +1753,7 @@ int kvm_on_sigbus(int code, void *addr)
kvm_inject_x86_mce(first_cpu, 9, status,
MCG_STATUS_MCIP | MCG_STATUS_RIPV, paddr,
(MCM_ADDR_PHYS << 6) | 0xc, 1);
- for (cenv = first_cpu->next_cpu; cenv != NULL; cenv = cenv->next_cpu) {
- kvm_inject_x86_mce(cenv, 1, MCI_STATUS_VAL | MCI_STATUS_UC,
- MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0, 1);
- }
+ kvm_mce_broadcast_rest(first_cpu);
} else
#endif
{
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