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From: Joerg Roedel <joerg.roedel@amd.com>
To: Avi Kivity <avi@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Joerg Roedel <joerg.roedel@amd.com>
Subject: [PATCH 1/6] kvm/x86/svm: force new asid on vcpu migration
Date: Thu, 5 Mar 2009 13:12:28 +0100	[thread overview]
Message-ID: <1236255153-4432-2-git-send-email-joerg.roedel@amd.com> (raw)
In-Reply-To: <1236255153-4432-1-git-send-email-joerg.roedel@amd.com>

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 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++)
-- 
1.5.6.4



  reply	other threads:[~2009-03-05 12:14 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-05 12:12 [PATCH 0/6] various x86 kvm fixes Joerg Roedel
2009-03-05 12:12 ` Joerg Roedel [this message]
2009-03-05 17:53   ` [PATCH 1/6] kvm/x86/svm: force new asid on vcpu migration Marcelo Tosatti
2009-07-26 15:23   ` Avi Kivity
2009-03-05 12:12 ` [PATCH 2/6] kvm/x86/mmu: remove call to kvm_mmu_pte_write from walk_addr Joerg Roedel
2009-03-05 12:12 ` [PATCH 3/6] kvm/x86/mmu: don't unnecessarily recalculate table_gfn in *fetch Joerg Roedel
2009-03-05 14:36   ` Joerg Roedel
2009-03-05 12:12 ` [PATCH 4/6] kvm/x86/mmu: handle invlpg on large pages Joerg Roedel
2009-03-05 21:11   ` Marcelo Tosatti
2009-03-06 13:06     ` Joerg Roedel
2009-03-05 12:12 ` [PATCH 5/6] kvm/x86: call kvm_lapic_sync_from_vapic with preemption disabled Joerg Roedel
2009-03-05 21:39   ` Marcelo Tosatti
2009-03-05 12:12 ` [PATCH 6/6] kvm/x86/mmu: include PT_PAGE_SIZE_MASK in PT64_PERM_MASK Joerg Roedel
2009-03-08 12:32   ` Avi Kivity
2009-03-05 21:50 ` [PATCH 0/6] various x86 kvm fixes Marcelo Tosatti
2009-03-06 13:04   ` Joerg Roedel

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