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From: Tejun Heo <tj@kernel.org>
To: David Ahern <dsahern@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>,
	linux-ide@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	Robert Elliott <elliott@hpe.com>
Subject: Re: boot failure with 4.13.0-rc6 due to ATA errors
Date: Tue, 29 Aug 2017 08:30:37 -0700	[thread overview]
Message-ID: <20170829153037.GN491396@devbig577.frc2.facebook.com> (raw)
In-Reply-To: <a5caf398-3ae3-4585-23d2-b2afbbc28d7d@gmail.com>

On Tue, Aug 29, 2017 at 09:08:05AM -0600, David Ahern wrote:
> On 8/29/17 6:42 AM, Christoph Hellwig wrote:
> > ---
> > From e661047ec3a25587648b07c02a687a7dac778f3b Mon Sep 17 00:00:00 2001
> > From: Christoph Hellwig <hch@lst.de>
> > Date: Tue, 29 Aug 2017 14:35:50 +0200
> > Subject: libata: check for trusted computing in IDENTIFY DEVICE data
> > 
> > ATA-8 and later mirrors the TRUSTED COMPUTING SUPPORTED bit in word 48 of
> > the IDENTIFY DEVICE data.  Check this before issuing a READ LOG PAGE
> > command to avoid issues with buggy devices.  The only downside is that
> > we can't support Security Send / Receive for a device with an older
> > revision due to the conflicting use of this field in earlier
> > specifications.

Christoph, I'm gonna revert the horkage patch and apply this one.  If
you can think of a better way to do this, please let me know.

Thanks.

-- 
tejun

  reply	other threads:[~2017-08-29 15:30 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-28 18:40 boot failure with 4.13.0-rc6 due to ATA errors David Ahern
2017-08-28 19:59 ` Tejun Heo
2017-08-28 20:26   ` David Ahern
2017-08-28 21:22     ` Tejun Heo
2017-08-29 12:42       ` Christoph Hellwig
2017-08-29 14:27         ` Tejun Heo
2017-08-29 15:08         ` David Ahern
2017-08-29 15:30           ` Tejun Heo [this message]
2017-08-29 15:51             ` Henrique de Moraes Holschuh
2017-08-29 15:55               ` Tejun Heo
2017-08-29 16:02                 ` Henrique de Moraes Holschuh
2017-08-29 15:38         ` Tejun Heo

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