Patchwork [27/35] kvm: x86: Synchronize PAT MSR with the kernel

login
register
mail settings
Submitter Marcelo Tosatti
Date March 15, 2011, 9:50 p.m.
Message ID <804e4a3b725374b50d13e6726e740d7c4fe355df.1300225848.git.mtosatti@redhat.com>
Download mbox | patch
Permalink /patch/87114/
State New
Headers show

Comments

Marcelo Tosatti - March 15, 2011, 9:50 p.m.
From: Jan Kiszka <jan.kiszka@siemens.com>

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 target-i386/kvm.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

Patch

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 3a07fce..032bc3e 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -861,6 +861,7 @@  static int kvm_put_msrs(CPUState *env, int level)
     kvm_msr_entry_set(&msrs[n++], MSR_IA32_SYSENTER_CS, env->sysenter_cs);
     kvm_msr_entry_set(&msrs[n++], MSR_IA32_SYSENTER_ESP, env->sysenter_esp);
     kvm_msr_entry_set(&msrs[n++], MSR_IA32_SYSENTER_EIP, env->sysenter_eip);
+    kvm_msr_entry_set(&msrs[n++], MSR_PAT, env->pat);
     if (has_msr_star) {
         kvm_msr_entry_set(&msrs[n++], MSR_STAR, env->star);
     }
@@ -1113,6 +1114,7 @@  static int kvm_get_msrs(CPUState *env)
     msrs[n++].index = MSR_IA32_SYSENTER_CS;
     msrs[n++].index = MSR_IA32_SYSENTER_ESP;
     msrs[n++].index = MSR_IA32_SYSENTER_EIP;
+    msrs[n++].index = MSR_PAT;
     if (has_msr_star) {
         msrs[n++].index = MSR_STAR;
     }
@@ -1168,6 +1170,9 @@  static int kvm_get_msrs(CPUState *env)
         case MSR_IA32_SYSENTER_EIP:
             env->sysenter_eip = msrs[i].data;
             break;
+        case MSR_PAT:
+            env->pat = msrs[i].data;
+            break;
         case MSR_STAR:
             env->star = msrs[i].data;
             break;