From: "Michael S. Tsirkin" <mst@redhat.com>
To: Mike Waychison <mikew@google.com>
Cc: Frank Swiderski <fes@google.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Rik van Riel <riel@redhat.com>,
Andrea Arcangeli <aarcange@redhat.com>,
virtualization@lists.linux-foundation.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
kvm@vger.kernel.org
Subject: Re: [PATCH] Add a page cache-backed balloon device driver.
Date: Tue, 30 Oct 2012 17:29:25 +0200 [thread overview]
Message-ID: <20121030152925.GA7023@redhat.com> (raw)
In-Reply-To: <20120910211018.GB21484@redhat.com>
On Tue, Sep 11, 2012 at 12:10:18AM +0300, Michael S. Tsirkin wrote:
> > On the plus side, having an exit taken here on each page turns out to
> > be relatively cheap, as the vmexit from the page fault should be
> > faster to process as it is fully handled within the host kernel.
> >
> > Perhaps some combination of both methods is required? I'm not sure :\
>
> Perhaps some benchmarking is in order :)
> Can you try telling host, potentially MADV_WILL_NEED
> in that case like qemu does, then run your proprietary test
> and see if things work well enough?
Ping. Had a chance to try that?
--
MST
next prev parent reply other threads:[~2012-10-30 15:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-26 20:32 [PATCH] Add a page cache-backed balloon device driver Frank Swiderski
2012-06-26 20:40 ` Rik van Riel
2012-06-26 21:31 ` Frank Swiderski
2012-06-26 21:45 ` Rik van Riel
2012-06-26 23:45 ` Frank Swiderski
2012-06-27 9:04 ` Michael S. Tsirkin
2012-06-26 21:47 ` Michael S. Tsirkin
2012-06-26 23:21 ` Frank Swiderski
2012-06-27 9:02 ` Michael S. Tsirkin
2012-07-02 0:29 ` Rusty Russell
2012-09-03 6:35 ` Paolo Bonzini
2012-09-06 1:35 ` Rusty Russell
2012-06-26 21:41 ` Michael S. Tsirkin
2012-06-27 2:56 ` Rusty Russell
2012-06-27 15:48 ` Frank Swiderski
2012-06-27 16:06 ` Michael S. Tsirkin
2012-06-27 16:08 ` Frank Swiderski
2012-06-27 9:40 ` Amit Shah
2012-08-30 8:57 ` Michael S. Tsirkin
2012-09-03 15:09 ` Avi Kivity
2012-09-10 9:05 ` Michael S. Tsirkin
2012-09-10 17:37 ` Mike Waychison
2012-09-10 18:04 ` Rik van Riel
2012-09-10 18:29 ` Mike Waychison
2012-09-10 19:59 ` Michael S. Tsirkin
2012-09-10 20:49 ` Mike Waychison
2012-09-10 21:10 ` Michael S. Tsirkin
2012-10-30 15:29 ` Michael S. Tsirkin [this message]
2012-10-30 16:25 ` Mike Waychison
2012-09-12 5:25 ` Rusty Russell
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