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Re: [Xen-devel] [PATCH v1] xen/arm: Do not allocate pte entries for MAP_SMALL_PAGES
- To: "Julien Grall" <julien.grall@xxxxxxxxxx>
- From: "Jan Beulich" <JBeulich@xxxxxxxx>
- Date: Tue, 24 Feb 2015 13:54:11 +0000
- Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>, vijay.kilari@xxxxxxxxx, stefano.stabellini@xxxxxxxxxxxxx, Prasun.Kapoor@xxxxxxxxxxxxxxxxxx, manish.jaggi@xxxxxxxxxxxxxxxxxx, tim@xxxxxxx, xen-devel@xxxxxxxxxxxxx, stefano.stabellini@xxxxxxxxxx, vijaya.kumar@xxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 24 Feb 2015 13:54:25 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
>>> On 24.02.15 at 14:47, <julien.grall@xxxxxxxxxx> wrote:
> lpae_t is an uint64_t and flags an unsigned int, so we will have to
> check that any bits we have to modified is effectively living on the
> less significant word.
Or, upon extraction, fold all flags into something fitting into 32 bits,
like we do on x86.
Jan
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