From: "Yang, Sheng" <sheng.yang@intel.com>
To: kvm@vger.kernel.org
Subject: [PATCH] KVM: VMX: Flush all VPID tagged TLB when VMXON
Date: Tue, 17 Jun 2008 17:39:58 +0800 [thread overview]
Message-ID: <200806171739.58655.sheng.yang@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 1044 bytes --]
From efba05901f8ffca03208217d075f679f78f3469d Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng.yang@intel.com>
Date: Tue, 17 Jun 2008 17:41:10 +0800
Subject: [PATCH] KVM: VMX: Flush all VPID tagged TLB when VMXON
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
---
arch/x86/kvm/vmx.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6e4278d..d6caea3 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -358,6 +358,12 @@ static inline void vpid_sync_vcpu_all(struct
vcpu_vmx *vmx)
__invvpid(VMX_VPID_EXTENT_SINGLE_CONTEXT, vmx->vpid, 0);
}
+static inline void vpid_sync_all(void)
+{
+ if (cpu_has_vmx_vpid())
+ __invvpid(VMX_VPID_EXTENT_ALL_CONTEXT, 0, 0);
+}
+
static inline void ept_sync_global(void)
{
if (cpu_has_vmx_invept_global())
@@ -3292,6 +3298,7 @@ static int __init vmx_init(void)
kvm_mmu_set_nonpresent_ptes(~0xffeull, 0ull);
ept_sync_global();
+ vpid_sync_all();
return 0;
--
1.5.5
[-- Attachment #2: 0001-KVM-VMX-Flush-all-VPID-tagged-TLB-when-VMXON.patch --]
[-- Type: text/x-diff, Size: 1047 bytes --]
From efba05901f8ffca03208217d075f679f78f3469d Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng.yang@intel.com>
Date: Tue, 17 Jun 2008 17:41:10 +0800
Subject: [PATCH] KVM: VMX: Flush all VPID tagged TLB when VMXON
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
---
arch/x86/kvm/vmx.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6e4278d..d6caea3 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -358,6 +358,12 @@ static inline void vpid_sync_vcpu_all(struct vcpu_vmx *vmx)
__invvpid(VMX_VPID_EXTENT_SINGLE_CONTEXT, vmx->vpid, 0);
}
+static inline void vpid_sync_all(void)
+{
+ if (cpu_has_vmx_vpid())
+ __invvpid(VMX_VPID_EXTENT_ALL_CONTEXT, 0, 0);
+}
+
static inline void ept_sync_global(void)
{
if (cpu_has_vmx_invept_global())
@@ -3292,6 +3298,7 @@ static int __init vmx_init(void)
kvm_mmu_set_nonpresent_ptes(~0xffeull, 0ull);
ept_sync_global();
+ vpid_sync_all();
return 0;
--
1.5.5
next reply other threads:[~2008-06-17 9:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-17 9:39 Yang, Sheng [this message]
2008-06-22 7:35 ` [PATCH] KVM: VMX: Flush all VPID tagged TLB when VMXON Avi Kivity
2008-06-23 1:30 ` Yang, Sheng
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