From: Avi Kivity <avi@redhat.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
qemu-devel@nongnu.org, anthony@codemonkey.ws,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size
Date: Sun, 04 Mar 2012 12:49:50 +0200 [thread overview]
Message-ID: <4F5348CE.8070909@redhat.com> (raw)
In-Reply-To: <1330465707.11728.29.camel@pasglop>
On 02/28/2012 11:48 PM, Benjamin Herrenschmidt wrote:
> On Tue, 2012-02-28 at 14:32 +0200, Avi Kivity wrote:
>
> > What if TARGET_PAGE_SIZE > getpagesize()? Or is that impossible?
>
> We have yet to encounter such a case. It's not currently possible on
> power (some old embedded chips could do 1K and 2K page sizes in the TLB
> iirc but we never supported that in Linux and it's being phased out in
> HW).
>
> I suggest that gets dealt with when/if it needs to, which means probably
> never :-)
Doesn't ppc support both 4k and 64k pages? Suppose you run a 4k guest
on a 64k host?
Maybe I'm misremembering or misunderstanding something.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-03-04 10:50 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-24 0:23 [Qemu-devel] [0/6] Assorted bugfixes David Gibson
2012-02-24 0:23 ` [Qemu-devel] [PATCH 1/6] kvm: Comparison with ioctl number macros needs to be unsigned David Gibson
2012-02-24 0:23 ` [Qemu-devel] [PATCH 2/6] slirp: Fix assertion failure on rejected DHCP requests David Gibson
2012-02-27 13:58 ` Jan Kiszka
2012-02-28 1:07 ` David Gibson
2012-02-24 0:23 ` [Qemu-devel] [PATCH 3/6] USB OHCI bug fixes David Gibson
2012-02-27 14:13 ` Gerd Hoffmann
2012-02-28 3:09 ` David Gibson
2012-02-28 3:37 ` David Gibson
2012-02-24 0:23 ` [Qemu-devel] [PATCH 4/6] Endian fixes for virtfs David Gibson
2012-02-24 8:29 ` Aneesh Kumar K.V
2012-02-24 0:23 ` [Qemu-devel] [PATCH 5/6] Endian fix an assertion in usb-msd David Gibson
2012-02-24 0:23 ` [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size David Gibson
2012-02-24 1:03 ` Benjamin Herrenschmidt
2012-02-26 21:41 ` Blue Swirl
2012-02-27 0:16 ` David Gibson
2012-02-27 0:25 ` Benjamin Herrenschmidt
2012-02-27 0:36 ` Alexander Graf
2012-03-03 15:29 ` Blue Swirl
2012-02-28 12:32 ` Avi Kivity
2012-02-28 21:48 ` Benjamin Herrenschmidt
2012-03-04 10:49 ` Avi Kivity [this message]
2012-03-04 11:53 ` Benjamin Herrenschmidt
2012-03-04 12:18 ` Avi Kivity
2012-03-04 16:46 ` Andreas Färber
2012-03-04 18:46 ` Alexander Graf
2012-03-04 20:21 ` Andreas Färber
2012-03-04 20:25 ` Alexander Graf
2012-03-04 20:31 ` Andreas Färber
2012-03-04 20:59 ` Alexander Graf
2012-03-04 21:19 ` Benjamin Herrenschmidt
2012-03-04 21:45 ` Alexander Graf
2012-03-04 21:21 ` Andreas Färber
2012-03-04 21:17 ` Benjamin Herrenschmidt
2012-02-28 23:32 ` Alexander Graf
2012-02-29 0:22 ` David Gibson
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