From: Gerd Hoffmann <kraxel@redhat.com>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: Andrea Arcangeli <andrea@qumranet.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
Avi Kivity <avi@qumranet.com>, KVM list <kvm@vger.kernel.org>
Subject: Re: Balloon device in qemu?
Date: Mon, 04 Aug 2008 10:32:58 +0200 [thread overview]
Message-ID: <4896BEBA.4020209@redhat.com> (raw)
In-Reply-To: <489655E8.4070401@us.ibm.com>
Anthony Liguori wrote:
>
> Right. Ideally, I'd like to just disable the balloon device if mmu
> notifiers *and* kvm support for it are not present. If you're saying
> there is no way to probe for this now from userspace, then that's
> something we need to add.
I think it is there, IIRC the kvm mmu notifier pull request on lkml had
a few patches from Andrea with all the mm magic and one from avi adding
a feature flag. Checking ...
#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in
guest */
This one I guess ...
cheers,
Gerd
--
http://kraxel.fedorapeople.org/xenner/
next prev parent reply other threads:[~2008-08-04 8:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-31 13:01 Balloon device in qemu? Avi Kivity
2008-08-01 19:06 ` Marcelo Tosatti
2008-08-01 19:47 ` Anthony Liguori
2008-08-02 13:01 ` Andrea Arcangeli
2008-08-04 1:05 ` Anthony Liguori
2008-08-04 8:32 ` Gerd Hoffmann [this message]
2008-08-04 11:56 ` Andrea Arcangeli
2008-08-18 14:00 ` Avi Kivity
2008-08-18 14:03 ` Anthony Liguori
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