From: Andi Kleen <andi@firstfloor.org>
To: Avi Kivity <avi@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Huang Ying <ying.huang@intel.com>,
Anthony Liguori <aliguori@linux.vnet.ibm.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Dean Nelson <dnelson@redhat.com>,
Luiz Capitulino <lcapitulino@redhat.com>
Subject: Re: [PATCH -v2] Monitor command: pfa2hva, translate guest physical address to host virtual address
Date: Wed, 10 Nov 2010 20:16:56 +0100 [thread overview]
Message-ID: <20101110191656.GC9011@basil.fritz.box> (raw)
In-Reply-To: <4CDADA9F.9020501@redhat.com>
On Wed, Nov 10, 2010 at 07:47:11PM +0200, Avi Kivity wrote:
> On 11/10/2010 07:44 PM, Andi Kleen wrote:
> >> Doing it in userspace in easier, since we can replace the vma for
> >> that section (and avoid mixed 4k/2M pages in hugetlbfs).
> >
> >You can't do that today, there's no way currently to access the non corrupted
> >portion of the 2MB page. Once it's poisoned it's all gone.
>
> I see. Thanks.
BTW my understanding is that KVM will only use hugepages with
transparent huge pages anyways, correct?
So it may be reasonable to simply fix this as part of the transparent
hugepages work, but ignore it before that.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2010-11-10 19:17 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-26 2:39 [PATCH -v2] Monitor command: pfa2hva, translate guest physical address to host virtual address Huang Ying
2010-11-01 16:09 ` Marcelo Tosatti
2010-11-01 18:49 ` Anthony Liguori
2010-11-01 19:20 ` Huang Ying
2010-11-01 19:22 ` Anthony Liguori
2010-11-04 16:53 ` Luiz Capitulino
2010-11-06 16:24 ` Avi Kivity
2010-11-08 1:29 ` Huang Ying
2010-11-08 3:39 ` Anthony Liguori
2010-11-08 20:46 ` Huang Ying
2010-11-09 3:06 ` Huang Ying
2010-11-10 6:56 ` Avi Kivity
2010-11-10 6:59 ` Avi Kivity
2010-11-10 7:41 ` Huang Ying
2010-11-10 8:28 ` Avi Kivity
2010-11-10 8:38 ` Huang Ying
2010-11-10 8:48 ` Avi Kivity
2010-11-10 16:42 ` Andi Kleen
2010-11-10 17:08 ` Avi Kivity
2010-11-10 17:44 ` Andi Kleen
2010-11-10 17:47 ` Avi Kivity
2010-11-10 19:16 ` Andi Kleen [this message]
2010-11-10 20:58 ` Avi Kivity
2010-11-10 8:21 ` Huang Ying
2010-11-10 8:34 ` Avi Kivity
2010-11-10 16:49 ` Anthony Liguori
2010-11-11 0:56 ` Huang Ying
2010-11-11 9:39 ` Avi Kivity
2010-11-12 1:16 ` Huang Ying
2010-11-14 11:08 ` Avi Kivity
2010-11-14 11:09 ` Avi Kivity
2010-11-15 1:46 ` Huang Ying
2010-11-15 10:02 ` Andi Kleen
2010-11-08 3:37 ` Anthony Liguori
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