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From: Flavio Leitner <fbl@redhat.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
	WANG Cong <xiyou.wangcong@gmail.com>, Tejun Heo <tj@kernel.org>,
	ianfang.cn@gmail.com, Andrew Morton <akpm@linux-foundation.org>
Subject: Re: kexec/kdump kernel fails to start
Date: Wed, 5 Sep 2012 10:46:51 -0300	[thread overview]
Message-ID: <20120905104651.64b40663@obelix.rh> (raw)
In-Reply-To: <CAE9FiQWhkPG1AuwW-_REYiBxBtMo+5gpfpgx3Yy2wXZY2JX2kg@mail.gmail.com>

On Tue, 4 Sep 2012 18:15:25 -0700
Yinghai Lu <yinghai@kernel.org> wrote:
> assume when we have good_end setting for 64 bit, page table for [4g,
> TOMH) will be just under 512M, and later when first
> first 2M lines changes, will push that page table range a little low,
> and will make kdump not happy.
> 
> BTW the first 2M change commit is useless should be reverted. because
> even it is in 2M page mapping at first, later
> kernel will change to 4k page.
> 
> and with other change in this patchset, init_memory_mapping(0,
> ISA_END_ADDR) will always make sure first 2M use 4K page.

Hm, it's not clear to me. Are you going to push the patch reverting
that commit and then your patchset?

thank you!
fbl

  reply	other threads:[~2012-09-05 13:47 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-04 17:32 kexec/kdump kernel fails to start Flavio Leitner
2012-09-04 19:02 ` Yinghai Lu
2012-09-04 19:17   ` Flavio Leitner
2012-09-04 19:20     ` Yinghai Lu
2012-09-04 20:00       ` Flavio Leitner
2012-09-04 20:26       ` Flavio Leitner
2012-09-04 20:45         ` Yinghai Lu
2012-09-04 21:37           ` Flavio Leitner
2012-09-04 22:25             ` Yinghai Lu
2012-09-04 22:40               ` Flavio Leitner
2012-09-05  0:01               ` Flavio Leitner
2012-09-05  1:15                 ` Yinghai Lu
2012-09-05 13:46                   ` Flavio Leitner [this message]
2012-09-05 15:34 ` Cong Wang
2012-09-23 20:27   ` Dan Carpenter
2012-09-23 20:52     ` Yinghai Lu
2012-09-29  7:13       ` Ingo Molnar
2012-10-18  2:16         ` Dave Young
2012-10-18  6:33           ` Dave Young
2012-10-18 13:57             ` Cong Wang
2012-10-18 16:27             ` Flavio Leitner

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