linux-kernel - Re: [PATCH 09/20] KVM: MMU: Fix Wrong tlb flush order

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Message-ID: <4690DB9C.3010605@qumranet.com>
Date:	Sun, 08 Jul 2007 15:42:04 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	kvm-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	Shaohua Li <shaohua.li@...el.com>
Subject: Re: [PATCH 09/20] KVM: MMU: Fix Wrong tlb flush order

Ingo Molnar wrote:
> * Avi Kivity <avi@...ranet.com> wrote:
>
>   
>> From: Shaohua Li <shaohua.li@...el.com>
>>
>> Need to flush the tlb after updating a pte, not before.
>>     
>
>   
>>  		rmap_remove(vcpu, spte);
>> -		kvm_flush_remote_tlbs(vcpu->kvm);
>>  		set_shadow_pte(spte, *spte & ~PT_WRITABLE_MASK);
>> +		kvm_flush_remote_tlbs(vcpu->kvm);
>>     
>
> hm, isnt this a must-have fix for v2.6.22 (and .21) as well?
>   

Guest SMP support is only enabled by another patch in this patchset.


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

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