[Qemu-devel] [PATCH v2 12/17] kvm: x86: Drop MCE MSRs write back restrictions

[Jan Kiszka]

From: Jan Kiszka <jan.kis...@siemens.com>

There is no need to restrict writing back MCE MSRs to reset or full
state updates as setting their values has no side effects.

Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
CC: Huang Ying <ying.hu...@intel.com>
---
 target-i386/kvm.c |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 664a4a0..ef8f6e6 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -866,14 +866,10 @@ static int kvm_put_msrs(CPUState *env, int level)
     if (env->mcg_cap) {
         int i;
 
-        if (level == KVM_PUT_RESET_STATE) {
-            kvm_msr_entry_set(&msrs[n++], MSR_MCG_STATUS, env->mcg_status);
-        } else if (level == KVM_PUT_FULL_STATE) {
-            kvm_msr_entry_set(&msrs[n++], MSR_MCG_STATUS, env->mcg_status);
-            kvm_msr_entry_set(&msrs[n++], MSR_MCG_CTL, env->mcg_ctl);
-            for (i = 0; i < (env->mcg_cap & 0xff) * 4; i++) {
-                kvm_msr_entry_set(&msrs[n++], MSR_MC0_CTL + i, 
env->mce_banks[i]);
-            }
+        kvm_msr_entry_set(&msrs[n++], MSR_MCG_STATUS, env->mcg_status);
+        kvm_msr_entry_set(&msrs[n++], MSR_MCG_CTL, env->mcg_ctl);
+        for (i = 0; i < (env->mcg_cap & 0xff) * 4; i++) {
+            kvm_msr_entry_set(&msrs[n++], MSR_MC0_CTL + i, env->mce_banks[i]);
         }
     }
 #endif
-- 
1.7.1