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Re: [Xen-devel] [PATCH] x86emul: correct stub invocation constraints

To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Tue, 25 Apr 2017 16:00:36 +0100
Cc: Julien Grall <julien.grall@xxxxxxx>
Delivery-date: Tue, 25 Apr 2017 16:46:52 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 25/04/17 10:04, Jan Beulich wrote:
> Stub invocations need to have the space the stub occupies as an input,
> to prevent the compiler from re-ordering (or omitting) writes to it.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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