From: Marcelo Tosatti <mtosatti@redhat.com>
To: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>,
Avi Kivity <avi@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH v6 6/9] KVM: MMU: fast path of handling guest page fault
Date: Mon, 18 Jun 2012 16:21:20 -0300 [thread overview]
Message-ID: <20120618192120.GA2697@amt.cnet> (raw)
In-Reply-To: <20120614102214.1c8a6e23.yoshikawa.takuya@oss.ntt.co.jp>
On Thu, Jun 14, 2012 at 10:22:14AM +0900, Takuya Yoshikawa wrote:
> On Wed, 13 Jun 2012 19:40:02 -0300
> Marcelo Tosatti <mtosatti@redhat.com> wrote:
>
> > mmu_spte_update is handling several different cases. Please rewrite
> > it, add a comment on top of it (or spread comments on top of each
> > significant code line) with all cases it is handling (also recheck it
> > regarding new EPT accessed/dirty bits code).
>
> [not about this patch]
>
> EPT accessed/dirty bits will be used for more things in the future.
> Are there any rules for using these bits?
>
> Same as other bits?
Do you mean hardware rules or KVM rules?
next prev parent reply other threads:[~2012-06-18 19:21 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-29 6:46 [PATCH v6 0/9] KVM: MMU: fast page fault Xiao Guangrong
2012-05-29 6:47 ` [PATCH v6 1/9] KVM: MMU: return bool in __rmap_write_protect Xiao Guangrong
2012-05-29 6:47 ` [PATCH v6 2/9] KVM: MMU: abstract spte write-protect Xiao Guangrong
2012-05-29 6:48 ` [PATCH v6 3/9] KVM: VMX: export PFEC.P bit on ept Xiao Guangrong
2012-05-29 6:48 ` [PATCH v6 4/9] KVM: MMU: fold tlb flush judgement into mmu_spte_update Xiao Guangrong
2012-05-29 6:49 ` [PATCH v6 5/9] KVM: MMU: introduce SPTE_MMU_WRITEABLE bit Xiao Guangrong
2012-06-11 23:32 ` Marcelo Tosatti
2012-06-12 2:23 ` Xiao Guangrong
2012-06-13 2:01 ` Marcelo Tosatti
2012-06-13 3:11 ` Xiao Guangrong
2012-06-13 21:39 ` Marcelo Tosatti
2012-06-14 1:13 ` Takuya Yoshikawa
2012-06-14 2:41 ` Xiao Guangrong
2012-06-14 2:36 ` Xiao Guangrong
2012-05-29 6:50 ` [PATCH v6 6/9] KVM: MMU: fast path of handling guest page fault Xiao Guangrong
2012-06-13 22:40 ` Marcelo Tosatti
2012-06-14 1:22 ` Takuya Yoshikawa
2012-06-18 19:21 ` Marcelo Tosatti [this message]
2012-06-19 2:07 ` Takuya Yoshikawa
2012-06-14 3:00 ` Xiao Guangrong
2012-06-18 19:32 ` Marcelo Tosatti
2012-06-19 2:04 ` Xiao Guangrong
2012-05-29 6:51 ` [PATCH v6 7/9] KVM: MMU: trace fast " Xiao Guangrong
2012-05-29 6:51 ` [PATCH v6 8/9] KVM: MMU: fix kvm_mmu_pagetable_walk tracepoint Xiao Guangrong
2012-05-29 6:52 ` [PATCH v6 9/9] KVM: MMU: document mmu-lock and fast page fault Xiao Guangrong
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