From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@qumranet.com>
Subject: Re: [PATCH] KVM: VMX: Add ept_sync_context in flush_tlb
Date: Wed, 25 Jun 2008 15:02:17 +0300
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References: <200806181138.22990.sheng.yang@intel.com>
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Cc: kvm@vger.kernel.org
To: "Yang, Sheng" <sheng.yang@intel.com>
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Yang, Sheng wrote:
> From 54dc26e44f1c0aa460bef409b799f36dae56a911 Mon Sep 17 00:00:00 2001
> From: Sheng Yang <sheng.yang@intel.com>
> Date: Wed, 18 Jun 2008 11:23:13 +0800
> Subject: [PATCH] KVM: VMX: Add ept_sync_context in flush_tlb
>
> Fix a potention issue caused by kvm_mmu_slot_remove_write_access(). 
> The old behavior don't sync EPT TLB with modified EPT entry, which 
> result in inconsistent content of EPT TLB and EPT table.
>
>
> @@ -1407,6 +1408,8 @@ static void exit_lmode(struct kvm_vcpu *vcpu)
>  static void vmx_flush_tlb(struct kvm_vcpu *vcpu)
>  {
>  	vpid_sync_vcpu_all(to_vmx(vcpu));
> +	if (vm_need_ept())
> +		ept_sync_context(to_vmx(vcpu));
>  }
>   

So we're flushing both the vpid tlb and the ept context?  What does an 
ept context flush mean exactly?  tlb entries for gpa->hpa?


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