Patchwork [4/7] kvm: add save/restore of MSR_VM_HSAVE_PA

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Submitter Marcelo Tosatti
Date Oct. 21, 2010, 6:25 p.m.
Message ID <aa851e365b3f62ad86cf599860217b60e02dc893.1287685553.git.mtosatti@redhat.com>
Download mbox | patch
Permalink /patch/68756/
State New
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Marcelo Tosatti - Oct. 21, 2010, 6:25 p.m.
commit 2bba4446746add456ceeb0e8359a43032a2ea333
Author: Alexander Graf <agraf@suse.de>
Date:   Thu Dec 18 15:38:32 2008 +0100

    Enable nested SVM support in userspace

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 587ee19..e6c9a1d 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -790,6 +790,7 @@  static int kvm_put_msrs(CPUState *env, int level)
     kvm_msr_entry_set(&msrs[n++], MSR_IA32_SYSENTER_EIP, env->sysenter_eip);
     if (kvm_has_msr_star(env))
 	kvm_msr_entry_set(&msrs[n++], MSR_STAR, env->star);
+    kvm_msr_entry_set(&msrs[n++], MSR_VM_HSAVE_PA, env->vm_hsave);
 #ifdef TARGET_X86_64
     /* FIXME if lm capable */
     kvm_msr_entry_set(&msrs[n++], MSR_CSTAR, env->cstar);
@@ -1015,6 +1016,7 @@  static int kvm_get_msrs(CPUState *env)
     msrs[n++].index = MSR_IA32_SYSENTER_EIP;
     if (kvm_has_msr_star(env))
 	msrs[n++].index = MSR_STAR;
+    msrs[n++].index = MSR_VM_HSAVE_PA;
     msrs[n++].index = MSR_IA32_TSC;
 #ifdef TARGET_X86_64
     /* FIXME lm_capable_kernel */
@@ -1071,6 +1073,9 @@  static int kvm_get_msrs(CPUState *env)
         case MSR_IA32_TSC:
             env->tsc = msrs[i].data;
             break;
+        case MSR_VM_HSAVE_PA:
+            env->vm_hsave = msrs[i].data;
+            break;
         case MSR_KVM_SYSTEM_TIME:
             env->system_time_msr = msrs[i].data;
             break;