Re: [PATCH 1/6] kvm/x86/svm: force new asid on vcpu migration

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On 03/05/2009 02:12 PM, Joerg Roedel wrote:
Signed-off-by: Joerg Roedel<joerg.roedel@xxxxxxx>
---
  arch/x86/kvm/svm.c |    3 ++-
  1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 1821c20..0e66bca 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -180,7 +180,7 @@ static inline void kvm_write_cr2(unsigned long val)

  static inline void force_new_asid(struct kvm_vcpu *vcpu)
  {
-	to_svm(vcpu)->asid_generation--;
+	to_svm(vcpu)->asid_generation = 0;
  }

  static inline void flush_guest_tlb(struct kvm_vcpu *vcpu)
@@ -716,6 +716,7 @@ static void svm_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
  		svm->vmcb->control.tsc_offset += delta;
  		vcpu->cpu = cpu;
  		kvm_migrate_timers(vcpu);
+		force_new_asid(vcpu);
  	}

  	for (i = 0; i<  NR_HOST_SAVE_USER_MSRS; i++)

Does this remove the need for 6eaa802c ("KVM: SVM: fix random segfaults with NPT enabled")?

--
error compiling committee.c: too many arguments to function

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