linux-kernel - Re: [PATCH v3 0/3] xen-blk(back|front): Let users disable persistent grants

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Message-ID: <20200922145221.3131-1-sjpark@amazon.com>
Date:   Tue, 22 Sep 2020 16:52:21 +0200
From:   SeongJae Park <sjpark@...zon.com>
To:     Roger Pau Monné <roger.pau@...rix.com>
CC:     SeongJae Park <sjpark@...zon.com>, <konrad.wilk@...cle.com>,
        <jgross@...e.com>, SeongJae Park <sjpark@...zon.de>,
        <axboe@...nel.dk>, <aliguori@...zon.com>, <amit@...nel.org>,
        <mheyne@...zon.de>, <pdurrant@...zon.co.uk>,
        <linux-block@...r.kernel.org>, <xen-devel@...ts.xenproject.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 0/3] xen-blk(back|front): Let users disable persistent grants

On Tue, 22 Sep 2020 16:45:56 +0200 "Roger Pau Monné" <roger.pau@...rix.com> wrote:

> On Tue, Sep 22, 2020 at 04:15:46PM +0200, SeongJae Park wrote:
> > From: SeongJae Park <sjpark@...zon.de>
> > 
> > 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@...rix.com>

Thank you for your kind and helpful reviews!


Thanks,
SeongJae Park