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From: Mike Galbraith <efault@gmx.de>
To: Dave Young <dyoung@redhat.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Baoquan He <bhe@redhat.com>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	lkml <linux-kernel@vger.kernel.org>,
	Kexec Mailing List <kexec@lists.infradead.org>,
	linux-efi <linux-efi@vger.kernel.org>
Subject: Re: [PATCH] x86, kdump: Fix efi=noruntime NULL pointer dereference
Date: Fri, 24 Aug 2018 06:48:58 +0200	[thread overview]
Message-ID: <1535086138.4661.9.camel@gmx.de> (raw)
In-Reply-To: <20180823035705.GA5743@dhcp-128-65.nay.redhat.com>

On Thu, 2018-08-23 at 11:57 +0800, Dave Young wrote:
> 
> Mike, since we are going this way, I'm working on a kexec code cleanup,
> but it needs careful testing so still need some time.
> 
> Can you help test below efi fix and provide you tested-by if it works?

While it averts the efi=noruntime oops on kdump kernel load, the kernel
does not boot when kdump is triggered.  Bailing in setup_efi_state() in
addition restores functionality.

	-Mike

  parent reply	other threads:[~2018-08-24  4:49 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-08 14:03 [PATCH] x86, kdump: Fix efi=noruntime NULL pointer dereference Mike Galbraith
2018-08-09  4:21 ` Dave Young
2018-08-09  5:05   ` Mike Galbraith
2018-08-09  7:33   ` Mike Galbraith
2018-08-09  9:13     ` Dave Young
2018-08-21 13:39       ` Ard Biesheuvel
2018-08-22 10:23         ` Dave Young
2018-08-23  3:57           ` Dave Young
2018-08-23  4:08             ` Mike Galbraith
2018-08-24  4:48             ` Mike Galbraith [this message]
2018-08-24  6:49               ` Dave Young
2018-08-10  8:45 ` Dave Young
2018-08-10 10:23   ` Mike Galbraith
2018-08-10 10:28   ` Dave Young
2018-08-10 17:39     ` Mike Galbraith
2018-08-15  3:59       ` Dave Young
2018-08-15  4:57         ` Mike Galbraith

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