linux-kernel - Re: [PATCH] x86: fix init_memory

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Message-ID: <86802c440806280019p621dee5fh8195e762e29cadc8@mail.gmail.com>
Date:	Sat, 28 Jun 2008 00:19:25 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: fix init_memory_mapping over boundary v2

On Sat, Jun 28, 2008 at 12:02 AM, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Ingo Molnar <mingo@...e.hu> wrote:
>
>> * Yinghai Lu <yhlu.kernel@...il.com> wrote:
>>
>> > some end boundary is only page alignment, instead of 2M alignment, so
>> > call ker_phycial_mapping_init three times. then don't overmap above
>> > the max_low_pfn
>>
>> applied to tip/x86/unify-setup, thanks Yinghai.
>
> -tip testing found a 32-bit spontaneous reboot during bootup, with this
> config:
>
>  http://redhat.com/~mingo/misc/config-Sat_Jun_28_08_43_52_CEST_2008.bad
>
> no serial log produced at all.
>
> doing the reverts below fixes the problem.
>
>        Ingo
>
> commit 4ae56755fa1e1bd1500c97b5bf82d6519a261ffd
> Author: Ingo Molnar <mingo@...e.hu>
> Date:   Sat Jun 28 08:59:44 2008 +0200
>
>    Revert "x86: let setup_arch call init_apic_mappings for 32bit"
>
>    This reverts commit 7fce3bb20100e5b6c42ad66c495e6348522bfd37.
>
> commit 2703b959fc588f1b77290272f60bcf0bd8f6e557
> Author: Ingo Molnar <mingo@...e.hu>
> Date:   Sat Jun 28 08:59:39 2008 +0200
>
>    Revert "x86: fix init_memory_mapping over boundary v2"
>
>    This reverts commit 7a41ed2c98f860da38a944d8de5b29e6ec39cf76.
>
the system with 512M ?

YH
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