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 v6 0/9] KVM: MMU: fast page fault
Date: Tue, 29 May 2012 14:46:31 +0800 [thread overview]
Message-ID: <4FC470C7.5040700@linux.vnet.ibm.com> (raw)
Changlog:
- disable fast page fault for soft mmu, let it only works for direct sptes.
- optimize spte_has_volatile_bits() and mmu_spte_update()
Performance result:
(The benchmark can be found at: http://www.spinics.net/lists/kvm/msg73011.html)
before after
Run 10 times, Avg time: 532473698 ns. 195864447 ns. +63.2%
next reply other threads:[~2012-05-29 6:47 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-29 6:46 Xiao Guangrong [this message]
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
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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