linux-kernel - Re: [PATCH v2 21/22] KVM: MMU: mmio page fault support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 23 Jun 2011 14:40:41 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Marcelo Tosatti <mtosatti@...hat.com>
CC:	Avi Kivity <avi@...hat.com>, LKML <linux-kernel@...r.kernel.org>,
	KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH v2 21/22] KVM: MMU: mmio page fault support

On 06/23/2011 11:19 AM, Xiao Guangrong wrote:

>> Otherwise you can move the mmio info from an mmio spte back to
>> mmio_gva/mmio_gfn after a TLB flush, without rereading the guest
>> pagetable.
>>
> 
> We do not read the guest page table when mmio page fault occurred,
> we just do it as you say:
> - Firstly, walk the shadow page table to get the mmio spte
> - Then, cache the mmio spte info to mmio_gva/mmio_gfn
> 
> I missed your meaning?
> 

Marcelo, sorry for my poor English, i missed your meaning, please ignore
this. :(
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/