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From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: Florian Dazinger <florian@dazinger.net>,
	<linux-kernel@vger.kernel.org>,
	iommu <iommu@lists.linux-foundation.org>
Subject: Re: 3.6-rc7 boot crash + bisection
Date: Wed, 26 Sep 2012 17:04:07 +0200	[thread overview]
Message-ID: <20120926150407.GD10549@amd.com> (raw)
In-Reply-To: <1348671121.28860.186.camel@bling.home>

On Wed, Sep 26, 2012 at 08:52:01AM -0600, Alex Williamson wrote:
> Assuming this works, it may be ok as a 3.7 fix, but if there was
> actually more than one device behind the alias we'd expose them as
> separate iommu groups.  I don't think that's what we want.  Maybe it
> should at least get a pr_warn.  Thanks,

True, we need something more generic as the real fix. When Florian
reports success I'll try to get this still into 3.6, otherwise to
-stable.


	Joerg

-- 
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632


WARNING: multiple messages have this Message-ID (diff)
From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: Florian Dazinger <florian@dazinger.net>,
	linux-kernel@vger.kernel.org,
	iommu <iommu@lists.linux-foundation.org>
Subject: Re: 3.6-rc7 boot crash + bisection
Date: Wed, 26 Sep 2012 17:04:07 +0200	[thread overview]
Message-ID: <20120926150407.GD10549@amd.com> (raw)
In-Reply-To: <1348671121.28860.186.camel@bling.home>

On Wed, Sep 26, 2012 at 08:52:01AM -0600, Alex Williamson wrote:
> Assuming this works, it may be ok as a 3.7 fix, but if there was
> actually more than one device behind the alias we'd expose them as
> separate iommu groups.  I don't think that's what we want.  Maybe it
> should at least get a pr_warn.  Thanks,

True, we need something more generic as the real fix. When Florian
reports success I'll try to get this still into 3.6, otherwise to
-stable.


	Joerg

-- 
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632

  reply	other threads:[~2012-09-26 15:04 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-24 19:03 3.6-rc7 boot crash + bisection Florian Dazinger
2012-09-25 18:32 ` Alex Williamson
2012-09-25 18:42   ` Alex Williamson
2012-09-25 18:54   ` Florian Dazinger
2012-09-25 19:43     ` Alex Williamson
2012-09-25 19:43       ` Alex Williamson
2012-09-25 23:01       ` Florian Dazinger
2012-09-26  3:12         ` Alex Williamson
2012-09-26  3:12           ` Alex Williamson
2012-09-26 14:43         ` Roedel, Joerg
2012-09-26 14:43           ` Roedel, Joerg
2012-09-26 14:52           ` Alex Williamson
2012-09-26 14:52             ` Alex Williamson
2012-09-26 15:04             ` Roedel, Joerg [this message]
2012-09-26 15:04               ` Roedel, Joerg
2012-09-26 16:13               ` Alex Williamson
2012-09-26 16:13                 ` Alex Williamson
2012-09-26 16:43               ` Florian Dazinger
2012-09-26 16:43                 ` Florian Dazinger
2012-09-26 17:47               ` Florian Dazinger
2012-09-26 17:47                 ` Florian Dazinger
2012-09-26 13:20       ` Roedel, Joerg
2012-09-26 13:20         ` Roedel, Joerg
2012-09-26 14:35         ` Alex Williamson
2012-09-26 14:35           ` Alex Williamson
2012-09-26 15:10           ` Roedel, Joerg
2012-09-26 15:10             ` Roedel, Joerg
2012-09-26 16:21             ` Alex Williamson
2012-09-26 16:21               ` Alex Williamson
2012-09-26 19:50               ` Alex Williamson
2012-09-26 19:50                 ` Alex Williamson
2012-09-26 22:04                 ` Alex Williamson
2012-09-26 22:04                   ` Alex Williamson
2012-09-27 16:22                   ` Florian Dazinger
2012-09-27 16:22                     ` Florian Dazinger
2012-09-28 13:58                   ` Roedel, Joerg
2012-09-28 13:58                     ` Roedel, Joerg

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