From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: [PATCH v7 00/10] KVM: MMU: fast page fault
Date: Wed, 20 Jun 2012 15:56:29 +0800 [thread overview]
Message-ID: <4FE1822D.8010002@linux.vnet.ibm.com> (raw)
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%
next reply other threads:[~2012-06-20 7:56 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-20 7:56 Xiao Guangrong [this message]
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
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