From: "H. Peter Anvin" <hpa@zytor.com>
To: Jan Beulich <JBeulich@novell.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: patch disabling use of PSE on Atom CPUs with a certain erratum
Date: Thu, 07 Oct 2010 08:10:43 -0700 [thread overview]
Message-ID: <4CADE2F3.8000908@zytor.com> (raw)
In-Reply-To: <4CADFAE6020000780001B4DC@vpn.id2.novell.com>
On 10/07/2010 07:52 AM, Jan Beulich wrote:
>>>> On 07.10.10 at 16:08, "H. Peter Anvin" <hpa@zytor.com> wrote:
>> On 10/07/2010 07:01 AM, Jan Beulich wrote:
>>>>
>>>> Those Atoms don't have 64-bit support.
>>>
>>> That's different from what I found looking around on the web.
>>>
>>
>> Do tell...
>
> E.g.
>
> http://en.wikipedia.org/wiki/List_of_Intel_Atom_microprocessors
>
> in particular the Atom 230 and Atom 330 (which to my reading match
> the spec updates for the 200 and 300 series, which in turn exhibit
> the erratum in question).
>
You're right... I misremembered. The question is what to do at this
point, since we're already in trouble. A possible failure on startup
seems better than a state in which we could get data corruption at
almost any time.
-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:[~2010-10-07 15:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-07 9:12 patch disabling use of PSE on Atom CPUs with a certain erratum Jan Beulich
2010-10-07 13:46 ` H. Peter Anvin
2010-10-07 14:01 ` Jan Beulich
2010-10-07 14:08 ` H. Peter Anvin
2010-10-07 14:52 ` Jan Beulich
2010-10-07 15:10 ` H. Peter Anvin [this message]
2010-10-07 15:29 ` Jan Beulich
2010-10-07 15:32 ` H. Peter Anvin
2010-10-18 23:23 ` Yuhong Bao
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