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Date: Thu, 19 Jul 2012 21:39:17 -0300 From: Marcelo Tosatti <mtosatti@...hat.com> To: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com> Cc: Avi Kivity <avi@...hat.com>, LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org> Subject: Re: [PATCH 5/9] KVM: MMU: fask check write-protect for direct mmu On Tue, Jul 17, 2012 at 09:53:29PM +0800, Xiao Guangrong wrote: > If it have no indirect shadow pages we need not protect any gfn, > this is always true for direct mmu without nested > > Signed-off-by: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com> Xiao, What is the motivation? Numbers please. In fact, what case was the original indirect_shadow_pages conditional in kvm_mmu_pte_write optimizing again? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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