kvm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrea Arcangeli <aarcange@redhat.com>
To: Izik Eidus <ieidus@redhat.com>
Cc: avi@redhat.com, kvm@vger.kernel.org, mtosatti@redhat.com
Subject: Re: [PATCH 2/3] add SPTE_HOST_WRITEABLE flag to the shadow ptes
Date: Thu, 24 Sep 2009 18:55:46 +0200	[thread overview]
Message-ID: <20090924165545.GA6864@random.random> (raw)
In-Reply-To: <1253731638-24575-3-git-send-email-ieidus@redhat.com>

On Wed, Sep 23, 2009 at 09:47:17PM +0300, Izik Eidus wrote:
> this flag notify that the host physical page we are pointing to from
> the spte is write protected, and therefore we cant change its access
> to be write unless we run get_user_pages(write = 1).
> 
> (this is needed for change_pte support in kvm)
> 
> Signed-off-by: Izik Eidus <ieidus@redhat.com>

Acked-by: Andrea Arcangeli <aarcange@redhat.com>

  parent reply	other threads:[~2009-09-24 16:55 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-23 18:47 [PATCH 0/3] kvm ksm support v3 Izik Eidus
2009-09-23 18:47 ` [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages Izik Eidus
2009-09-23 18:47   ` [PATCH 2/3] add SPTE_HOST_WRITEABLE flag to the shadow ptes Izik Eidus
2009-09-23 18:47     ` [PATCH 3/3] add support for change_pte mmu notifiers Izik Eidus
2009-09-24 14:55       ` Marcelo Tosatti
2009-09-24 17:11       ` Andrea Arcangeli
2009-09-24 16:55     ` Andrea Arcangeli [this message]
2009-09-24 14:18   ` [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages Marcelo Tosatti
2009-09-24 16:56   ` Andrea Arcangeli
2009-09-28 16:26 ` [PATCH 0/3] kvm ksm support v3 Marcelo Tosatti
  -- strict thread matches above, loose matches on Subject: below --
2009-09-23 18:25 [PATCH 0/3] ksm support for kvm v2 Izik Eidus
2009-09-23 18:25 ` [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages Izik Eidus
2009-09-23 18:25   ` [PATCH 2/3] add SPTE_HOST_WRITEABLE flag to the shadow ptes Izik Eidus
2009-09-10 16:38 [PATCH 0/3] ksm support for kvm Izik Eidus
2009-09-10 16:38 ` [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages Izik Eidus
2009-09-10 16:38   ` [PATCH 2/3] add SPTE_HOST_WRITEABLE flag to the shadow ptes Izik Eidus
2009-09-11 21:14     ` Marcelo Tosatti
2009-09-12  6:35       ` Izik Eidus
2009-09-14  5:18     ` Avi Kivity
2009-09-14  8:34     ` Marcelo Tosatti
2009-09-14 16:51       ` Izik Eidus

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20090924165545.GA6864@random.random \
    --to=aarcange@redhat.com \
    --cc=avi@redhat.com \
    --cc=ieidus@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=mtosatti@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).