From: "H. Peter Anvin" <hpa@zytor.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: "Luis R. Rodriguez" <mcgrof@gmail.com>,
linux kernel <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@kernel.org>,
Ivan Seskar <Seskar@winlab.rutgers.edu>,
jfm3 <jfm3@winlab.rutgers.edu>, Sujith <m.sujith@gmail.com>
Subject: Re: Bug on 2.6.26 - x86 VIA Nehemiah CentaurHauls processor cannot boot
Date: Tue, 22 Jul 2008 14:21:26 -0400 [thread overview]
Message-ID: <48862526.7060704@zytor.com> (raw)
In-Reply-To: <488614A3.1060400@garzik.org>
Jeff Garzik wrote:
>>
>> Thanks for taking a look at this. So well, it would be a
>> misconfiguration bug by the distribution then to try to support a
>> generic 686 kernel wihtout GENERIC then.
>
> Well, it may be intentional -- some distros simply exclude support for
> the lower-volume VIA processors, since that might imply building their
> "generic 686 kernel" sans CMOV and some other instructions, and changing
> the compiler's instruction scheduling to something less optimal for the
> majority. :/
>
X86_GENERIC shouldn't disable CMOV?
We're only referring specifically to the family == 6 VIA processors here.
-hpa
next prev parent reply other threads:[~2008-07-22 18:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-21 13:14 Bug on 2.6.26 - x86 VIA Nehemiah CentaurHauls processor cannot boot Luis R. Rodriguez
2008-07-21 13:23 ` H. Peter Anvin
2008-07-21 14:01 ` Luis R. Rodriguez
2008-07-21 23:24 ` H. Peter Anvin
2008-07-22 4:47 ` Luis R. Rodriguez
2008-07-22 13:10 ` H. Peter Anvin
2008-07-22 17:10 ` Jeff Garzik
2008-07-22 18:21 ` H. Peter Anvin [this message]
2008-07-22 18:33 ` Jeff Garzik
2008-07-22 18:41 ` H. Peter Anvin
2008-07-22 23:28 ` Jeff Garzik
2008-07-23 0:31 ` H. Peter Anvin
2008-07-22 13:14 ` Ingo Molnar
2008-07-22 13:24 ` H. Peter Anvin
2008-07-22 13:46 ` Ingo Molnar
2008-07-22 13:54 ` H. Peter Anvin
2008-07-26 18:31 ` Andi Kleen
2008-07-26 18:35 ` H. Peter Anvin
2008-07-26 18:44 ` Andi Kleen
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