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Date: Mon, 24 May 2010 10:03:52 +0800 From: Xiao Guangrong <xiaoguangrong@...fujitsu.com> To: Avi Kivity <avi@...hat.com> CC: Marcelo Tosatti <mtosatti@...hat.com>, LKML <linux-kernel@...r.kernel.org>, KVM list <kvm@...r.kernel.org> Subject: Re: [PATCH 1/2] KVM: MMU: allow more page become unsync at gfn mapping time Avi Kivity wrote: >> + if (need_unsync) >> + kvm_unsync_pages(vcpu, gfn); >> return 0; >> } >> >> > > Looks good, I'm just uncertain about role.invalid handling. What's the > reasoning here? > Avi, Thanks for your reply. We no need worry about 'role.invalid' here, since we only allow the PTE shadow pages(role.level == 1) become unsync, and in current code, 'role.invalid' is only used for root shadow pages. -- 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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