From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
KVM list <kvm@vger.kernel.org>
Subject: Re: [PATCH 6/6] KVM: MMU: trace pte prefetch
Date: Thu, 17 Jun 2010 15:27:44 +0800 [thread overview]
Message-ID: <4C19CE70.9000002@cn.fujitsu.com> (raw)
In-Reply-To: <4C176D71.7060302@redhat.com>
Avi Kivity wrote:
>> @@ -2066,11 +2071,16 @@ static void direct_pte_prefetch(struct
>> kvm_vcpu *vcpu, u64 *sptep)
>> pfn = gfn_to_pfn_atomic(vcpu->kvm, gfn);
>> if (is_error_pfn(pfn)) {
>> kvm_release_pfn_clean(pfn);
>> + trace_pte_prefetch(true, PREFETCH_ERR_GFN2PFN);
>> break;
>> }
>>
>
> What about virtual addresses and gptes? They can be helpful too.
>
OK, will do it in the next version.
prev parent reply other threads:[~2010-06-17 7:31 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4C16E6ED.7020009@cn.fujitsu.com>
2010-06-15 2:46 ` [PATCH 1/6] KVM: MMU: fix gfn got in kvm_mmu_page_get_gfn() Xiao Guangrong
[not found] ` <4C16E75F.6020003@cn.fujitsu.com>
2010-06-15 2:46 ` [PATCH 2/6] KVM: MMU: fix conflict access permissions in direct sp Xiao Guangrong
[not found] ` <4C16E7AD.1060101@cn.fujitsu.com>
2010-06-15 2:46 ` [PATCH 3/6] KVM: MMU: introduce gfn_to_page_atomic() and gfn_to_pfn_atomic() Xiao Guangrong
2010-06-15 11:22 ` Avi Kivity
2010-06-16 7:59 ` Andi Kleen
2010-06-16 8:05 ` Avi Kivity
2010-06-16 8:49 ` Andi Kleen
2010-06-16 9:40 ` Avi Kivity
2010-06-16 10:51 ` huang ying
2010-06-16 10:51 ` huang ying
2010-06-16 11:08 ` Avi Kivity
2010-06-17 6:46 ` Xiao Guangrong
[not found] ` <4C16E7F4.5060801@cn.fujitsu.com>
2010-06-15 2:46 ` [PATCH 4/6] KVM: MMU: introduce mmu_topup_memory_cache_atomic() Xiao Guangrong
[not found] ` <4C16E82E.5010306@cn.fujitsu.com>
2010-06-15 2:47 ` [PATCH 5/6] KVM: MMU: prefetch ptes when intercepted guest #PF Xiao Guangrong
2010-06-15 11:41 ` Avi Kivity
2010-06-17 7:25 ` Xiao Guangrong
2010-06-17 8:07 ` Avi Kivity
2010-06-17 9:04 ` Xiao Guangrong
2010-06-17 9:20 ` Avi Kivity
2010-06-17 9:29 ` Xiao Guangrong
2010-06-16 3:55 ` Marcelo Tosatti
[not found] ` <4C16E867.8040606@cn.fujitsu.com>
2010-06-15 2:47 ` [PATCH 6/6] KVM: MMU: trace pte prefetch Xiao Guangrong
2010-06-15 12:09 ` Avi Kivity
2010-06-17 7:27 ` Xiao Guangrong [this message]
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