linux-kernel - Re: [PATCH] Enable kdump with EFI boot

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Message-ID: <m1pqy8ek47.fsf@fess.ebiederm.org>
Date:	Tue, 27 Jul 2010 13:38:00 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Takao Indoh <indou.takao@...fujitsu.com>
Cc:	Neil Horman <nhorman@...driver.com>, kexec@...ts.infradead.org,
	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...hat.com,
	hpa@...or.com, vgoyal@...hat.com
Subject: Re: [PATCH] Enable kdump with EFI boot

Takao Indoh <indou.takao@...fujitsu.com> writes:

> If SetVirtualAddressMap is not called in 1st kernel, EFI system table 
> keeps its physical address, so it's ok, my patch is not needed. Did
> anyone post a patch to do that, or anyone are trying that?

Not that I know of.  What I have heard people doing is not using any
of the kernel efi support at all, in which case everything just works.
Certainly that is what my friends at sgi are doing.

Eric
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