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From: Grant Grundler <iod00d@hp.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Randy.Dunlap" <rddunlap@osdl.org>,
	Jesse Barnes <jbarnes@engr.sgi.com>,
	linux-ia64@vger.kernel.org, fastboot@osdl.org,
	linux-kernel@vger.kernel.org
Subject: Re: [BROKEN PATCH] kexec for ia64
Date: Wed, 4 Aug 2004 16:33:35 -0700	[thread overview]
Message-ID: <20040804233335.GD548@cup.hp.com> (raw)
In-Reply-To: <m18ycvhx1j.fsf@ebiederm.dsl.xmission.com>

On Wed, Aug 04, 2004 at 07:07:04AM -0600, Eric W. Biederman wrote:
> Initially that patch
> was targeted for a kernel without device_shutdown(), so I was
> likely considering the old trick of running through all of the PCI
> devices and disabling their bus master bit.

Blindly disabling all PCI bus master bits will also kill VGA/serial
console and any USB keyboard attached to the system.

I'll comment more on the "DMA is a Red Herring" when I can read
more what it is about.

grant

  parent reply	other threads:[~2004-08-04 23:34 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200407261524.40804.jbarnes@engr.sgi.com>
     [not found] ` <200407261536.05133.jbarnes@engr.sgi.com>
     [not found]   ` <20040730155504.2a51b1fa.rddunlap@osdl.org>
2004-08-04 13:07     ` [BROKEN PATCH] kexec for ia64 Eric W. Biederman
2004-08-04 16:24       ` Jesse Barnes
2004-08-04 23:33       ` Grant Grundler [this message]
2004-08-05  2:14         ` [Fastboot] " Eric W. Biederman
2004-08-05 15:39           ` Grant Grundler
2004-08-05 16:44             ` Eric W. Biederman
2004-08-05 16:45       ` Luck, Tony
2004-08-05 17:05         ` [Fastboot] " Eric W. Biederman
2004-08-05 19:18           ` Khalid Aziz

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