From: Avi Kivity <avi@redhat.com>
To: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH v7 00/10] KVM: MMU: fast page fault
Date: Wed, 11 Jul 2012 16:51:55 +0300 [thread overview]
Message-ID: <4FFD84FB.80600@redhat.com> (raw)
In-Reply-To: <4FE1822D.8010002@linux.vnet.ibm.com>
On 06/20/2012 10:56 AM, Xiao Guangrong wrote:
> Changlog:
> - always atomicly update the spte if it can be updated out of mmu-lock
> - rename spte_can_be_writable() to spte_is_locklessly_modifiable()
> - cleanup and comment spte_write_protect()
>
> Performance result:
> (The benchmark can be found at: http://www.spinics.net/lists/kvm/msg73011.html)
>
> before after
> Run 10 times, Avg time: 538233957 ns. 249809853 ns. +53.6%
>
Thanks, all applied. Thanks for your patience while we reviewed all the
iterations of this patchset.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2012-07-11 13:51 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-20 7:56 [PATCH v7 00/10] KVM: MMU: fast page fault Xiao Guangrong
2012-06-20 7:56 ` [PATCH v7 01/10] KVM: MMU: return bool in __rmap_write_protect Xiao Guangrong
2012-06-20 7:57 ` [PATCH v7 02/10] KVM: MMU: abstract spte write-protect Xiao Guangrong
2012-06-20 9:02 ` Takuya Yoshikawa
2012-06-20 9:11 ` Xiao Guangrong
2012-06-20 12:56 ` Takuya Yoshikawa
2012-06-20 13:21 ` Xiao Guangrong
2012-06-20 14:11 ` Takuya Yoshikawa
2012-06-21 1:48 ` Xiao Guangrong
2012-06-21 1:56 ` Takuya Yoshikawa
2012-07-11 13:32 ` Avi Kivity
2012-06-20 7:57 ` [PATCH v7 03/10] KVM: MMU: cleanup spte_write_protect Xiao Guangrong
2012-06-20 7:58 ` [PATCH v7 04/10] KVM: VMX: export PFEC.P bit on ept Xiao Guangrong
2012-06-20 7:58 ` [PATCH v7 05/10] KVM: MMU: fold tlb flush judgement into mmu_spte_update Xiao Guangrong
2012-06-20 7:58 ` [PATCH v7 06/10] KVM: MMU: introduce SPTE_MMU_WRITEABLE bit Xiao Guangrong
2012-06-20 7:59 ` [PATCH v7 07/10] KVM: MMU: fast path of handling guest page fault Xiao Guangrong
2012-06-20 7:59 ` [PATCH v7 08/10] KVM: MMU: trace fast " Xiao Guangrong
2012-06-20 8:00 ` [PATCH v7 09/10] KVM: MMU: fix kvm_mmu_pagetable_walk tracepoint Xiao Guangrong
2012-06-20 8:00 ` [PATCH v7 10/10] KVM: MMU: document mmu-lock and fast page fault Xiao Guangrong
2012-07-03 15:11 ` [PATCH v7 00/10] KVM: MMU: " Marcelo Tosatti
2012-07-11 13:51 ` Avi Kivity [this message]
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