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[Qemu-devel] [PATCH v2 12/17] kvm: x86: Drop MCE MSRs write back restric
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH v2 12/17] kvm: x86: Drop MCE MSRs write back restrictions |
Date: |
Mon, 3 Jan 2011 09:33:02 +0100 |
From: Jan Kiszka <address@hidden>
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 <address@hidden>
CC: Huang Ying <address@hidden>
---
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
- [Qemu-devel] Re: [PATCH v2 11/17] kvm: x86: Reset paravirtual MSRs, (continued)
[Qemu-devel] [PATCH v2 12/17] kvm: x86: Drop MCE MSRs write back restrictions,
Jan Kiszka <=
[Qemu-devel] [PATCH v2 02/17] kvm: Drop return value of kvm_cpu_exec, Jan Kiszka, 2011/01/03
[Qemu-devel] [PATCH v2 03/17] kvm: Stop on all fatal exit reasons, Jan Kiszka, 2011/01/03
[Qemu-devel] [PATCH v2 04/17] kvm: Improve reporting of fatal errors, Jan Kiszka, 2011/01/03
[Qemu-devel] [PATCH 18/17] kvm: Flush coalesced mmio buffer on IO window exits, Jan Kiszka, 2011/01/03
[Qemu-devel] Re: [PATCH v2 00/17] [uq/master] Prepare for more qemu-kvm merging, Avi Kivity, 2011/01/03