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>
next prev 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
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