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Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel p
From: |
Avi Kivity |
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 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 |
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
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size,
Avi Kivity <=
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Benjamin Herrenschmidt, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Avi Kivity, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Andreas Färber, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Alexander Graf, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Andreas Färber, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Alexander Graf, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Andreas Färber, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Alexander Graf, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Benjamin Herrenschmidt, 2012/03/04
- Re: [Qemu-devel] [PATCH 6/6] kvm: Fix dirty tracking with large kernel page size, Alexander Graf, 2012/03/04