From: Avi Kivity <avi@redhat.com>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH v3 06/11] KVM: MMU: cleanup FNAME(invlpg)
Date: Wed, 14 Sep 2011 12:57:12 +0300 [thread overview]
Message-ID: <4E707A78.4050603@redhat.com> (raw)
In-Reply-To: <4E6FA189.7080607@cn.fujitsu.com>
On 09/13/2011 09:31 PM, Xiao Guangrong wrote:
> >> @@ -675,36 +684,20 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
> >>
> >> sp = page_header(__pa(sptep));
> >> if (is_last_spte(*sptep, level)) {
> >> - int offset, shift;
> >> -
> >> if (!sp->unsync)
> >> break;
> >>
> >> - shift = PAGE_SHIFT -
> >> - (PT_LEVEL_BITS - PT64_LEVEL_BITS) * level;
> >> - offset = sp->role.quadrant<< shift;
> >> -
> >> - pte_gpa = (sp->gfn<< PAGE_SHIFT) + offset;
> >> + pte_gpa = FNAME(get_first_pte_gpa)(sp);
> >
> >
> > Here is can be used for L2 - I think we can use 2MB host pages to back 4MB guest mappings.
> >
>
> Only unsync shadow page is fetched here, and its level is always 1.
>
Right.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-09-14 9:57 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-30 2:34 [PATCH v3 01/11] KVM: MMU: avoid pte_list_desc running out in kvm_mmu_pte_write Xiao Guangrong
2011-08-30 2:34 ` [PATCH v3 02/11] KVM: x86: tag the instructions which are used to write page table Xiao Guangrong
2011-08-30 2:35 ` [PATCH v3 03/11] KVM: x86: retry non-page-table writing instruction Xiao Guangrong
2011-09-13 10:47 ` Avi Kivity
2011-09-13 18:24 ` Xiao Guangrong
2011-09-14 9:53 ` Avi Kivity
2011-09-14 10:19 ` Xiao Guangrong
2011-09-15 4:56 ` Xiao Guangrong
2011-08-30 2:35 ` [PATCH v3 04/11] KVM: x86: cleanup port-in/port-out emulated Xiao Guangrong
2011-08-30 2:35 ` [PATCH v3 05/11] KVM: MMU: do not mark accessed bit on pte write path Xiao Guangrong
2011-09-13 10:53 ` Avi Kivity
2011-09-13 18:29 ` Xiao Guangrong
2011-09-14 9:55 ` Avi Kivity
2011-09-15 13:11 ` Marcelo Tosatti
2011-08-30 2:36 ` [PATCH v3 06/11] KVM: MMU: cleanup FNAME(invlpg) Xiao Guangrong
2011-09-13 11:00 ` Avi Kivity
2011-09-13 18:31 ` Xiao Guangrong
2011-09-14 9:57 ` Avi Kivity [this message]
2011-08-30 2:36 ` [PATCH v3 07/11] KVM: MMU: fast prefetch spte on invlpg path Xiao Guangrong
2011-08-30 2:37 ` [PATCH v3 08/11] KVM: MMU: remove unnecessary kvm_mmu_free_some_pages Xiao Guangrong
2011-08-30 2:37 ` [PATCH v3 09/11] KVM: MMU: split kvm_mmu_pte_write function Xiao Guangrong
2011-08-30 2:37 ` [PATCH v3 10/11] KVM: MMU: fix detecting misaligned accessed Xiao Guangrong
2011-08-30 2:38 ` [PATCH v3 11/11] KVM: MMU: improve write flooding detected Xiao Guangrong
2011-09-13 11:07 ` Avi Kivity
2011-09-13 19:19 ` Xiao Guangrong
2011-09-14 9:59 ` Avi Kivity
2011-09-13 9:51 ` [PATCH v3 01/11] KVM: MMU: avoid pte_list_desc running out in kvm_mmu_pte_write Avi Kivity
2011-09-13 10:24 ` Xiao Guangrong
2011-09-13 10:50 ` Avi Kivity
2011-09-13 19:31 ` Xiao Guangrong
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