linux-kernel - Re: [PATCH 08/13] KVM: MMU: fask check whether page is writable

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Message-ID: <4F74847A.1030809@redhat.com>
Date:	Thu, 29 Mar 2012 17:49:14 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH 08/13] KVM: MMU: fask check whether page is writable

On 03/29/2012 11:25 AM, Xiao Guangrong wrote:
> Using PTE_LIST_WRITE_PROTECT bit in rmap store the write-protect status to
> avoid unnecessary shadow page walking

Does kvm_set_pte_rmapp() need adjustment?

> Also if no shadow page is indirect, the page is write-free
>
>
> +	if (!vcpu->kvm->arch.indirect_shadow_pages)
> +		return 0;
> +
Best in its own little patch.


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

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