From: Avi Kivity <avi@redhat.com>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH 6/10] KVM: MMU: don not record gfn in kvm_mmu_pte_write
Date: Sun, 06 Mar 2011 14:16:37 +0200 [thread overview]
Message-ID: <4D737B25.7090503@redhat.com> (raw)
In-Reply-To: <4D737A96.6040409@redhat.com>
On 03/06/2011 02:14 PM, Avi Kivity wrote:
> On 03/04/2011 01:00 PM, Xiao Guangrong wrote:
>> No need to record the gfn to verifier the pte has the same mode as
>> current vcpu, it's because we only speculatively update the pte only
>> if the pte and vcpu have the same mode
>
> True. We can, as an additional cleanup, change
> mmu_pte_write_new_pte() to just do vcpu->arch.mmu.update_pte(...)
> instead of the if ().
>
Also, we can remove the pfn guessing and to it in FNAME(update_pte),
using gfn_to_pfn_atomic().
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-03-06 12:16 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-04 10:56 [PATCH 1/10] KVM: MMU: fix kvm_mmu_slot_remove_write_access Xiao Guangrong
2011-03-04 10:57 ` [PATCH 2/10] KVM: MMU: fix kvm_mmu_get_spte_hierarchy Xiao Guangrong
2011-03-05 16:48 ` Marcelo Tosatti
2011-03-07 3:06 ` Xiao Guangrong
2011-03-07 8:55 ` Avi Kivity
2011-03-04 10:58 ` [PATCH 3/10] KVM: MMU: set spte accessed bit properly Xiao Guangrong
2011-03-04 10:58 ` [PATCH 4/10] KVM: fix rcu usage in init_rmode_* functions Xiao Guangrong
2011-03-04 11:43 ` Jan Kiszka
2011-03-07 2:04 ` Xiao Guangrong
2011-03-04 10:59 ` [PATCH 5/10] KVM: MMU: move mmu pages calculated out of mmu lock Xiao Guangrong
2011-03-04 11:00 ` [PATCH 6/10] KVM: MMU: don not record gfn in kvm_mmu_pte_write Xiao Guangrong
2011-03-06 12:14 ` Avi Kivity
2011-03-06 12:16 ` Avi Kivity [this message]
2011-03-07 3:16 ` Xiao Guangrong
2011-03-04 11:00 ` [PATCH 7/10] KVM: MMU: introduce a common function to get no-dirty-logged slot Xiao Guangrong
2011-03-06 12:28 ` Avi Kivity
2011-03-07 3:50 ` Xiao Guangrong
2011-03-04 11:01 ` [PATCH 8/10] KVM: MMU: cleanup page alloc and free Xiao Guangrong
2011-03-04 11:01 ` [PATCH 9/10] KVM: MMU: remove unused macros Xiao Guangrong
2011-03-04 11:02 ` [PATCH 10/10] KVM: cleanup memslot_id function Xiao Guangrong
2011-03-06 12:32 ` Avi Kivity
2011-03-06 12:34 ` [PATCH 1/10] KVM: MMU: fix kvm_mmu_slot_remove_write_access Avi Kivity
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