From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [BROKEN PATCH] kexec for ia64
Date: Mon, 26 Jul 2004 23:09:51 +0000 [thread overview]
Message-ID: <16645.36671.580858.707082@napali.hpl.hp.com> (raw)
In-Reply-To: <200407261524.40804.jbarnes@engr.sgi.com>
>>>>> On Mon, 26 Jul 2004 15:24:40 -0700, Jesse Barnes <jbarnes@engr.sgi.com> said:
Jesse> I'm also worried about a few things in this patch. Is
Jesse> relocate_kernel.S really necessary in 2.6? Can we copy the
Jesse> kernel to a contiguous 64MB aligned area, drop into phys mode
Jesse> and just jump to it? Also, what about EFI boot services and
Jesse> PROM tables that the kernel frees part way through boot?
Jesse> Should we copy those into a safe place for the new image at
Jesse> boot time? Or just leave them there if CONFIG_KEXEC is
Jesse> enabled?
I suspect option one is really feasible. The first one probably just
doesn't work and the second one could waste relatively large amounts
of memory. Perhaps the third option of not using EFI boot-time
services at all during kexec should be considered.
--david
next prev parent reply other threads:[~2004-07-26 23:09 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-26 22:24 [BROKEN PATCH] kexec for ia64 Jesse Barnes
2004-07-26 22:36 ` Jesse Barnes
2004-07-26 23:09 ` David Mosberger [this message]
2004-07-26 23:30 ` David Mosberger
2004-07-26 23:34 ` Jesse Barnes
2004-07-26 23:42 ` David Mosberger
2004-07-27 8:24 ` Christian Hildner
2004-07-27 14:49 ` Jesse Barnes
2004-07-27 16:50 ` Luck, Tony
2004-07-30 22:55 ` Randy.Dunlap
2004-08-04 13:07 ` Eric W. Biederman
2004-08-04 16:24 ` Jesse Barnes
2004-08-04 23:33 ` Grant Grundler
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 19:44 ` Tolentino, Matthew E
2004-08-05 21:29 ` Eric W. Biederman
2004-08-05 22:15 ` 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
2004-08-05 18:28 ` Grant Grundler
2004-08-05 18:56 ` Eric W. Biederman
2004-08-05 21:24 ` Grant Grundler
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