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Re: [PATCH v3 0/3] xen-blk(back|front): Let users disable persistent grants
- To: SeongJae Park <sjpark@xxxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Tue, 22 Sep 2020 16:45:56 +0200
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- Cc: <konrad.wilk@xxxxxxxxxx>, <jgross@xxxxxxxx>, SeongJae Park <sjpark@xxxxxxxxx>, <axboe@xxxxxxxxx>, <aliguori@xxxxxxxxxx>, <amit@xxxxxxxxxx>, <mheyne@xxxxxxxxx>, <pdurrant@xxxxxxxxxxxx>, <linux-block@xxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>
- Delivery-date: Tue, 22 Sep 2020 14:46:17 +0000
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On Tue, Sep 22, 2020 at 04:15:46PM +0200, SeongJae Park wrote:
> From: SeongJae Park <sjpark@xxxxxxxxx>
>
> Persistent grants feature provides high scalability. On some small
> systems, however, it could incur data copy overheads[1] and thus it is
> required to be disabled. But, there is no option to disable it. For
> the reason, this commit adds module parameters for disabling of the
> feature.
With the changes requested by Jürgen you can add my:
Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Thanks, Roger.
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