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From: Matthew Garrett <mjg@redhat.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Seiji Aguchi <seiji.aguchi@hds.com>,
	"kexec@lists.infradead.org" <kexec@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Vivek Goyal <vgoyal@redhat.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Americo Wang <xiyou.wangcong@gmail.com>,
	"tony.luck@intel.com" <tony.luck@intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jarod Wilson <jwilson@redhat.com>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"dle-develop@lists.sourceforge.net" 
	<dle-develop@lists.sourceforge.net>,
	Satoru Moriya <satoru.moriya@hds.com>
Subject: Re: [RFC][PATCH] Replace a function call chain of kmsg_dump(KMSG_DUMP_KEXEC) with static function calls
Date: Sat, 16 Jul 2011 17:28:06 +0100	[thread overview]
Message-ID: <20110716162805.GA13127@srcf.ucam.org> (raw)
In-Reply-To: <m14o2mjj5l.fsf@fess.ebiederm.org>

On Sat, Jul 16, 2011 at 09:16:06AM -0700, Eric W. Biederman wrote:

> What is going on with EFI support?  We are still making efi calls in
> virtual mode, and we don't have the one unified identity mapped physical
> page table that hpa and I think others were working a while back.  Even
> if because of bugs we need to transition EFI to virtual mode we can
> still set physical to virtual so we don't have to deal with the nonsense.

No, we can't. It doesn't work.

> Can we please make our EFI support ask the minimal from EFI before
> adding lots more to it?

No.

> Am I wrong in thinking that the core motivation behind this patch is
> that our EFI support sucks and thus kdump on EFI does not work on some
> platforms?

Yes, you are.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  reply	other threads:[~2011-07-16 16:28 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-11 15:47 [RFC][PATCH] Replace a function call chain of kmsg_dump(KMSG_DUMP_KEXEC) with static function calls Seiji Aguchi
2011-07-11 17:27 ` Matthew Garrett
2011-07-11 22:07 ` Vivek Goyal
2011-07-13  8:37 ` Américo Wang
2011-07-16 16:16 ` Eric W. Biederman
2011-07-16 16:28   ` Matthew Garrett [this message]
2011-07-16 20:11     ` Eric W. Biederman
2011-07-16 20:27       ` Matthew Garrett
2011-07-18 11:43   ` Vivek Goyal

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