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From 7ed89963702e6c53c20864b564a5b43712a38ccd Mon Sep 17 00:00:00 2001
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From: Eduardo Habkost <ehabkost@redhat.com>
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Date: Thu, 25 Jun 2015 19:31:24 +0200
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Subject: [PATCH 04/10] kvm: always update the MPX model specific register
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Message-id: <1435260689-9556-4-git-send-email-ehabkost@redhat.com>
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Patchwork-id: 66501
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O-Subject: [RHEL-7.2 qemu-kvm PATCH 3/8] kvm: always update the MPX model specific register
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Bugzilla: 1233350
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RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
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RH-Acked-by: Bandan Das <bsd@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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From: Paolo Bonzini <pbonzini@redhat.com>
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The original patch from Liu Jinsong restricted them to reset or full
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state updates, but that's unnecessary (and wrong) since the BNDCFGS
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MSR has no side effects.
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Cc: Liu Jinsong <jinsong.liu@intel.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 439d19f2922ac409ee224bc1e5522cee7009d829)
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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Conflicts:
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target-i386/kvm.c
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---
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target-i386/kvm.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/target-i386/kvm.c b/target-i386/kvm.c
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index 6d9aa63..bbbbac0 100644
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--- a/target-i386/kvm.c
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+++ b/target-i386/kvm.c
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@@ -1155,6 +1155,9 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
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kvm_msr_entry_set(&msrs[n++], MSR_IA32_MISC_ENABLE,
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env->msr_ia32_misc_enable);
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}
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+ if (has_msr_bndcfgs) {
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+ kvm_msr_entry_set(&msrs[n++], MSR_IA32_BNDCFGS, env->msr_bndcfgs);
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+ }
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#ifdef TARGET_X86_64
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if (lm_capable_kernel) {
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kvm_msr_entry_set(&msrs[n++], MSR_CSTAR, env->cstar);
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@@ -1266,9 +1269,6 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
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MSR_MTRRphysMask(i), env->mtrr_var[i].mask);
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}
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}
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- if (has_msr_bndcfgs) {
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- kvm_msr_entry_set(&msrs[n++], MSR_IA32_BNDCFGS, env->msr_bndcfgs);
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- }
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}
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if (env->mcg_cap) {
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int i;
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--
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1.8.3.1
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