linux-kernel - Re: [PATCH v5 03/13] x86, 64bit: Set extra ident mapping for whole kernel range

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Message-ID: <50D4E515.5070802@zytor.com>
Date:	Fri, 21 Dec 2012 14:39:17 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 03/13] x86, 64bit: Set extra ident mapping for whole
 kernel range

On 12/21/2012 02:35 PM, Yinghai Lu wrote:
> 
> stop #PF handler after init_mem_mapping
> git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git
> for-x86-boot-v7
> 
> stop #PF handler in x86_64_start_kernel, to keep kgdb working.
> git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git
> for-x86-boot-v8
> 

The latter really isn't right but we need someone from the kgdb team to
get involved there.  However, saying we can't evolve the kernel because
of kgdb is not acceptable.

	-hpa


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