From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>,
axboe@kernek.dk, linux-block@vger.kernel.org,
linux-scsi@vger.kernel.org
Subject: Re: sense handling improvements
Date: Wed, 15 Feb 2017 16:04:06 +0100 [thread overview]
Message-ID: <20170215150406.GA26549@lst.de> (raw)
In-Reply-To: <cfc712df-f0e6-59c0-46d8-6af02542f14b@suse.de>
On Wed, Feb 15, 2017 at 09:19:18AM +0100, Hannes Reinecke wrote:
> On 02/14/2017 08:15 PM, Christoph Hellwig wrote:
> > Hi all,
> >
> > this series is on top of the scsi_request changes in Jens' tree and
> > further improves the handling of the sense buffer.
> >
> Sorry, but I'm feeling really daft: which scsi_request changes?
That is the "split scsi passthrough fields out of struct request"
series.
> To be found in which tree?
Jens' for-next tree, as mentioned above.
> Have we audited all drivers to _not_ do DMA into the sense buffer?
> By first glance some still do, so they'll break horribly when moving the
> sense buffer onto the stack ...
With the above series the sense buffer is allocate by the driver,
and they will always DMA into that.
next prev parent reply other threads:[~2017-02-15 15:04 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-14 19:15 sense handling improvements Christoph Hellwig
2017-02-14 19:15 ` [PATCH 1/6] scsi: always zero sshdr in scsi_normalize_sense Christoph Hellwig
2017-02-15 7:59 ` Hannes Reinecke
2017-02-14 19:15 ` [PATCH 2/6] sd: improve TUR handling in sd_check_events Christoph Hellwig
2017-02-15 8:00 ` Hannes Reinecke
2017-02-14 19:15 ` [PATCH 3/6] scsi: make the sense header argument to scsi_test_unit_ready mandatory Christoph Hellwig
2017-02-14 19:15 ` [PATCH 4/6] scsi: simplify scsi_execute_req_flags Christoph Hellwig
2017-02-14 19:15 ` [PATCH 5/6] scsi: merge __scsi_execute into scsi_execute Christoph Hellwig
2017-02-14 19:16 ` [PATCH 6/6] scsi: remove scsi_execute_req_flags Christoph Hellwig
2017-02-15 8:19 ` sense handling improvements Hannes Reinecke
2017-02-15 15:04 ` Christoph Hellwig [this message]
2017-02-15 15:30 ` Bart Van Assche
2017-02-16 3:42 ` Martin K. Petersen
2017-02-16 14:33 ` Christoph Hellwig
2017-02-22 7:19 ` Christoph Hellwig
2017-02-22 13:52 ` Martin K. Petersen
2017-02-23 0:51 ` Martin K. Petersen
2017-02-23 9:49 ` Christoph Hellwig
2017-02-23 14:28 ` Martin K. Petersen
2017-02-23 14:31 ` Christoph Hellwig
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