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

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Message-ID: <CAE9FiQUvZCyLgV=x19J0ssYZxdZJ7fTsf=3s-yaLUB9HXqg+rg@mail.gmail.com>
Date:	Fri, 21 Dec 2012 14:51:31 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>, Jan Kiszka <jan.kiszka@....de>,
	Jason Wessel <jason.wessel@...driver.com>
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 Fri, Dec 21, 2012 at 2:39 PM, H. Peter Anvin <hpa@...or.com> wrote:
> 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.

agree.

looks like no one care about kgdb now.
hope they could notice until that is broken later.
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