leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

KVM: nVMX: Clear segment cache after switching between L1 and L2

Browse Source 
Switching the VMCS obviously invalidates what may have been cached about
the guest segments.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
This commit is contained in:
Jan Kiszka 2013-02-23 22:35:37 +01:00 committed by Gleb Natapov
parent d6851fbeee
commit 36c3cc422b
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86/kvm/vmx.c
View File

@ -7271,6 +7271,8 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
vcpu->cpu = cpu;
put_cpu();
vmx_segment_cache_clear(vmx);
vmcs12->launch_state = 1;
prepare_vmcs02(vcpu, vmcs12);
@ -7517,6 +7519,8 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu)
vcpu->cpu = cpu;
put_cpu();
vmx_segment_cache_clear(vmx);
/* if no vmcs02 cache requested, remove the one we used */
if (VMCS02_POOL_SIZE == 0)
nested_free_vmcs02(vmx, vmx->nested.current_vmptr);