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Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux
- To: Julien Grall <julien.grall@xxxxxxxxxx>
- From: Mark Rutland <mark.rutland@xxxxxxx>
- Date: Wed, 30 Sep 2015 14:04:30 +0100
- Cc: "wei.liu2@xxxxxxxxxx" <wei.liu2@xxxxxxxxxx>, "Ian.Campbell@xxxxxxxxxx" <Ian.Campbell@xxxxxxxxxx>, "stefano.stabellini@xxxxxxxxxxxxx" <stefano.stabellini@xxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "david.vrabel@xxxxxxxxxx" <david.vrabel@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "boris.ostrovsky@xxxxxxxxxx" <boris.ostrovsky@xxxxxxxxxx>, Suzuki Poulose <Suzuki.Poulose@xxxxxxx>, "linux-arm-kernel@xxxxxxxxxxxxxxxxxxx" <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, "roger.pau@xxxxxxxxxx" <roger.pau@xxxxxxxxxx>
- Delivery-date: Wed, 30 Sep 2015 13:05:04 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
> > Just to check, would this be expected to work with a 16K DomU (e.g.
> > [2])?
> >
> > From a quick scan it looks like the relaxations provided by this series
> > should work so long as PAGE_SIZE % XEN_PAGE_SIZE == 0, assuming I
> > haven't missed something.
>
> Correct, this series is able to cope with any PAGE_SIZE as long as it's
> a multiple of the granularity used by Xen (i.e 4KB on ARM).
[...]
> > Would any of these require more work to also handle 16K?
>
> No. It should just boot on Xen as long as the CPU is support 16K
> granularity.
Great to hear, thanks!
Mark.
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