From: "H. Peter Anvin" <hpa@zytor.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] x86: mtrr_cleanup: first 1M should be coverred in var mtrrs
Date: Sat, 04 Oct 2008 19:04:15 -0700 [thread overview]
Message-ID: <48E8209F.3010204@zytor.com> (raw)
In-Reply-To: <86802c440810041859s3695ff66v1833193f737551c8@mail.gmail.com>
Yinghai Lu wrote:
> On Sat, Oct 4, 2008 at 6:52 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>
>> There are some systems which, apparently, don't have RAM there. Don't ask
>> me how or why.
>
> very old system or
> very new system only have super big cache?
>
Very new system. That's all I know. Don't know if they actually
shipped, but it caused a lot of problems and I recommended to the OEM
that they fix that.
-hpa
next prev parent reply other threads:[~2008-10-05 2:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-04 21:50 [PATCH 1/3] x86: mtrr_cleanup: print out correct type Yinghai Lu
2008-10-04 21:50 ` [PATCH 2/3] x86: mtrr_cleanup: first 1M should be coverred in var mtrrs Yinghai Lu
2008-10-05 0:46 ` H. Peter Anvin
2008-10-05 1:49 ` Yinghai Lu
2008-10-05 1:52 ` H. Peter Anvin
2008-10-05 1:59 ` Yinghai Lu
2008-10-05 2:04 ` H. Peter Anvin [this message]
2008-10-04 21:50 ` [PATCH 3/3] x86: mtrr_cleanup: treat WRPROT as UNCACHEABLE Yinghai Lu
2008-10-05 0:42 ` [PATCH 1/3] x86: mtrr_cleanup: print out correct type H. Peter Anvin
2008-10-05 1:42 ` Yinghai Lu
2008-10-05 3:10 ` H. Peter Anvin
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