linux-kernel - Re: [PATCH 1/4] KVM: MMU: fix forgot reserved bits check in speculative path

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Message-ID: <4C3D0E27.6050905@cn.fujitsu.com>
Date:	Wed, 14 Jul 2010 09:08:55 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Marcelo Tosatti <mtosatti@...hat.com>
CC:	Avi Kivity <avi@...hat.com>, LKML <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>
Subject: Re: [PATCH 1/4] KVM: MMU: fix forgot reserved bits check in speculative
 path



Marcelo Tosatti wrote:
		entry = *spte;
>>  			mmu_pte_write_zap_pte(vcpu, sp, spte);
>> +
>> +			if (!!is_pae(vcpu) != sp->role.cr4_pae ||
>> +			      is_nx(vcpu) != sp->role.nxe)
>> +				continue;
>> +
> 
> This breaks remote_flush assignment below.

Ah, Oops, will fix
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