From: Avi Kivity <avi@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
Jan Kiszka <jan.kiszka@web.de>,
Marcelo Tosatti <mtosatti@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"ddutile@redhat.com" <ddutile@redhat.com>,
"chrisw@redhat.com" <chrisw@redhat.com>
Subject: Re: [RFC PATCH 0/2] Expose available KVM free memory slot count to help avoid aborts
Date: Tue, 25 Jan 2011 19:33:40 +0200 [thread overview]
Message-ID: <4D3F0974.3040904@redhat.com> (raw)
In-Reply-To: <20110125145955.GE15666@redhat.com>
On 01/25/2011 04:59 PM, Michael S. Tsirkin wrote:
> On Tue, Jan 25, 2011 at 04:53:44PM +0200, Avi Kivity wrote:
> > For the other lookups, which we
> > believe will succeed, we can assume the probablity of a match is
> > related to the slot size, and sort the slots by page count.
>
> Unlikely to be true for assigned device BARs.
We'll have a large slot at 4G+ - EOM, a medium slot at 1M-3G, and lots
of small slots for BARs and such.
The vast majority of faults will either touch one of the two largest
slots, or will miss all slots. Relatively few will hit the small slots.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-01-25 17:33 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-21 23:48 [RFC PATCH 0/2] Expose available KVM free memory slot count to help avoid aborts Alex Williamson
2011-01-21 23:48 ` [RFC PATCH 1/2] kvm: Allow querying free slots Alex Williamson
2011-01-21 23:48 ` [RFC PATCH 2/2] device-assignment: Count required kvm memory slots Alex Williamson
2011-01-22 22:11 ` [RFC PATCH 0/2] Expose available KVM free memory slot count to help avoid aborts Michael S. Tsirkin
2011-01-24 9:32 ` Marcelo Tosatti
2011-01-24 14:16 ` Jan Kiszka
2011-01-24 15:44 ` Alex Williamson
2011-01-25 5:37 ` Alex Williamson
2011-01-25 7:36 ` Jan Kiszka
2011-01-25 14:41 ` Alex Williamson
2011-01-25 14:45 ` Michael S. Tsirkin
2011-01-25 14:54 ` Avi Kivity
2011-01-25 14:53 ` Avi Kivity
2011-01-25 14:59 ` Michael S. Tsirkin
2011-01-25 17:33 ` Avi Kivity [this message]
2011-01-25 17:58 ` Michael S. Tsirkin
2011-01-26 9:17 ` Avi Kivity
2011-01-26 9:20 ` Michael S. Tsirkin
2011-01-26 9:23 ` Avi Kivity
2011-01-26 9:39 ` Michael S. Tsirkin
2011-01-26 9:54 ` Avi Kivity
2011-01-26 12:08 ` Michael S. Tsirkin
2011-01-27 9:21 ` Avi Kivity
2011-01-27 9:26 ` Michael S. Tsirkin
2011-01-27 9:28 ` Avi Kivity
2011-01-27 9:29 ` Michael S. Tsirkin
2011-01-27 9:51 ` Avi Kivity
2011-01-27 9:28 ` Michael S. Tsirkin
2011-01-25 16:35 ` Jan Kiszka
2011-01-25 19:13 ` Alex Williamson
2011-01-26 8:14 ` Jan Kiszka
2011-01-25 10:23 ` Avi Kivity
2011-01-25 14:57 ` Alex Williamson
2011-01-25 17:11 ` Avi Kivity
2011-01-25 17:43 ` Alex Williamson
2011-01-26 9:22 ` Avi Kivity
2011-01-31 19:18 ` Marcelo Tosatti
2011-02-23 21:46 ` Alex Williamson
2011-02-24 12:34 ` Avi Kivity
2011-02-24 12:37 ` Avi Kivity
2011-02-24 18:10 ` Alex Williamson
2011-01-25 10:20 ` Avi Kivity
2011-01-25 14:46 ` Alex Williamson
2011-01-25 14:56 ` Avi Kivity
2011-01-25 14:55 ` Michael S. Tsirkin
2011-01-25 14:58 ` Avi Kivity
2011-01-25 15:23 ` Michael S. Tsirkin
2011-01-25 17:34 ` Avi Kivity
2011-01-25 18:00 ` Michael S. Tsirkin
2011-01-26 9:25 ` Avi Kivity
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