From: "H. Peter Anvin" <hpa@zytor.com>
To: Jacob Shin <jacob.shin@amd.com>
Cc: Shuah Khan <shuah.khan@hp.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>,
Yinghai Lu <yinghai@kernel.org>,
shuahkhan@gmail.com, andreas.herrmann3@amd.com,
borislav.petkov@amd.com
Subject: Re: [PATCH 1/1] x86, e820: Remove direct mapping of reserved space for HT hole around 1TB
Date: Wed, 17 Oct 2012 11:25:55 -0700 [thread overview]
Message-ID: <507EF833.8020001@zytor.com> (raw)
In-Reply-To: <20121016182621.GA10857@jshin-Toonie>
On 10/16/2012 11:26 AM, Jacob Shin wrote:
>
> Right, we are (AMD) thinking about the same thing .. how to backport to
> stable kernels of major enterprise OSes
>
> The simplest and the least disruptive solution would be to not map memory
> holes that occur above 4GB, it won't affect 32 bit kernels, and it won't
> touch legacy (under 4GB) area (ISA, the PCI MMIO region ..):
>
> https://lkml.org/lkml/2011/10/20/323
>
> HPA, it would be great if we can first get this patch upstream, and also
> into the stable trees .. and after that, we can work on getting Yinghai's
> mm refactoring in ..
>
Yes, that makes sense at this point.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-10-17 18:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <6ec48b96-afab-4c8b-ab74-2c640c2a161b@blur>
[not found] ` <8630fe28-0c1c-4f3a-90e1-df2d1b6615a6@blur>
2012-10-16 17:48 ` [PATCH 1/1] x86, e820: Remove direct mapping of reserved space for HT hole around 1TB Shuah Khan
2012-10-16 18:26 ` Jacob Shin
2012-10-16 19:02 ` H. Peter Anvin
2012-10-17 15:30 ` Shuah Khan
2012-10-17 18:25 ` H. Peter Anvin [this message]
2011-10-11 22:09 Jacob Shin
2011-10-11 23:44 ` H. Peter Anvin
2011-10-13 9:57 ` Andreas Herrmann
2011-10-13 15:52 ` H. Peter Anvin
2011-10-13 11:04 ` Andreas Herrmann
2011-10-14 5:45 ` Yinghai Lu
2012-10-16 16:47 ` Shuah Khan
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