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[Qemu-devel] [PULL 9/9] kvm: always update the MPX model specific regist
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 9/9] kvm: always update the MPX model specific register |
Date: |
Mon, 20 Jan 2014 15:44:11 +0100 |
The original patch from Liu Jinsong restricted them to reset or full
state updates, but that's unnecessary (and wrong) since the BNDCFGS
MSR has no side effects.
Cc: Liu Jinsong <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
target-i386/kvm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 221c8a0..d34981f 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -1161,6 +1161,9 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
kvm_msr_entry_set(&msrs[n++], MSR_IA32_MISC_ENABLE,
env->msr_ia32_misc_enable);
}
+ if (has_msr_bndcfgs) {
+ kvm_msr_entry_set(&msrs[n++], MSR_IA32_BNDCFGS, env->msr_bndcfgs);
+ }
#ifdef TARGET_X86_64
if (lm_capable_kernel) {
kvm_msr_entry_set(&msrs[n++], MSR_CSTAR, env->cstar);
@@ -1224,9 +1227,6 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
if (cpu->hyperv_vapic) {
kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_APIC_ASSIST_PAGE, 0);
}
- if (has_msr_bndcfgs) {
- kvm_msr_entry_set(&msrs[n++], MSR_IA32_BNDCFGS, env->msr_bndcfgs);
- }
/* Note: MSR_IA32_FEATURE_CONTROL is written separately, see
* kvm_put_msr_feature_control. */
--
1.8.3.1
- [Qemu-devel] [PULL 0/8] KVM uq/master changes for 2014-01-20, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 1/9] target-i386: Intel MPX, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 4/9] roms: Flush icache when writing roms to guest memory, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 2/9] target-i386: do not special case TSC writeback, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 3/9] target-i386: clear guest TSC on reset, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 7/9] KVM: Retry KVM_CREATE_VM on EINTR, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 5/9] kvm: x86: Separately write feature control MSR on reset, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 8/9] KVM: fix addr type for KVM_IOEVENTFD, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 6/9] mempath prefault: fix off-by-one error, Paolo Bonzini, 2014/01/20
- [Qemu-devel] [PULL 9/9] kvm: always update the MPX model specific register,
Paolo Bonzini <=
- Re: [Qemu-devel] [PULL 0/8] KVM uq/master changes for 2014-01-20, Paolo Bonzini, 2014/01/20