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Re: [Xen-devel] [PATCH 1/2] x86/SVM-IOMMU: Don't opencode memcpy() in queue_iommu_command()

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date: Fri, 5 Oct 2018 10:22:09 +0200
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>, Paul Durrant <paul.durrant@xxxxxxxxxx>, Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>, Brian Woods <brian.woods@xxxxxxx>
Delivery-date: Fri, 05 Oct 2018 08:22:22 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Mon, Sep 24, 2018 at 11:55:29AM +0100, Andrew Cooper wrote:
> In practice, this allows the compiler to replace the loop with a pair of movs.
> 
> No functional change.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

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