linux-kernel - Re: [PATCH 3/4] Revert "x86: disable IOMMUs on kernel crash"

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Message-ID: <4BB83EAE.5090609@bwalle.de>
Date:	Sun, 04 Apr 2010 09:24:30 +0200
From:	Bernhard Walle <bernhard@...lle.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Joerg Roedel <joro@...tes.org>, nhorman@...hat.com,
	nhorman@...driver.com, Joerg Roedel <joerg.roedel@....com>,
	kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Chris Wright <chrisw@...s-sol.org>, hbabu@...ibm.com,
	iommu@...ts.linux-foundation.org, vgoyal@...hat.com
Subject: Re: [PATCH 3/4] Revert "x86: disable IOMMUs on kernel crash"

Am 03.04.10 19:49, schrieb Eric W. Biederman:
> Not a problem.  We require a lot of things of the kdump kernel,
> and it is immediately apparent in a basic sanity test.

Also, in most cases (for example: distribution kernels), the kdump
kernel nowadays is identical to the running kernel. So, if the running
kernel has IOMMU support, the kdump kernel also has.


Regards,
Bernhard
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