linux-kernel - RE: [PATCH v2 2/2] block/xen-blkback: allow module to be cleanly unloaded

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Date:   Fri, 29 Nov 2019 15:02:37 +0000
From:   "Durrant, Paul" <pdurrant@...zon.com>
To:     Roger Pau Monné <roger.pau@...rix.com>
CC:     "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>,
        "Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>,
        Jens Axboe <axboe@...nel.dk>
Subject: RE: [PATCH v2 2/2] block/xen-blkback: allow module to be cleanly
 unloaded

> -----Original Message-----
> From: Roger Pau Monné <roger.pau@...rix.com>
> Sent: 29 November 2019 15:00
> To: Durrant, Paul <pdurrant@...zon.com>
> Cc: linux-block@...r.kernel.org; linux-kernel@...r.kernel.org; xen-
> devel@...ts.xenproject.org; Konrad Rzeszutek Wilk
> <konrad.wilk@...cle.com>; Jens Axboe <axboe@...nel.dk>
> Subject: Re: [PATCH v2 2/2] block/xen-blkback: allow module to be cleanly
> unloaded
> 
> On Fri, Nov 29, 2019 at 01:43:06PM +0000, Paul Durrant wrote:
> > Add a module_exit() to perform the necessary clean-up.
> >
> > Signed-off-by: Paul Durrant <pdurrant@...zon.com>
> 
> LGTM:
> 
> Reviewed-by: Roger Pau Monné <roger.pau@...rix.com>
> 

Thanks.

> AFAICT we should make sure this is not committed before patch 1, or
> else you could unload a blkback module that's still in use?
> 

Yes, that's correct.

  Paul