From: Andi Kleen <ak@suse.de>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: Andrew Morton <akpm@osdl.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Andi Kleen <ak@suse.de>,
linux@rainbow-software.org, Dave Jones <davej@redhat.com>
Subject: Re: [PATCH] Cyrix MII cpuid returns stale %ecx
Date: Fri, 3 Dec 2004 10:08:43 +0100 [thread overview]
Message-ID: <20041203090843.GA25528@wotan.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.61.0411302125350.1243@montezuma.fsmlabs.com>
On Tue, Nov 30, 2004 at 10:07:55PM -0700, Zwane Mwaikambo wrote:
> This patch is for the following bug, thanks to Ondrej Zary for
> reporting, testing and submitting a patch.
>
> http://bugzilla.kernel.org/show_bug.cgi?id=3767
>
> It appears that the Cyrix MII won't touch %ecx at all resulting in stale
> data being returned as extended attributes, so clear ecx before issuing
> the cpuid. I have also made the capability print code display all the
> capability words for easier debugging in future.
Can you please change cpuid() on x86-64 too?
I think it would be also better to not printk the capabilities
at all or only with a special kernel option. Normally they are
not needed, but they clutter up the boot log.
-Andi
next prev parent reply other threads:[~2004-12-03 9:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-01 5:07 [PATCH] Cyrix MII cpuid returns stale %ecx Zwane Mwaikambo
2004-12-03 9:08 ` Andi Kleen [this message]
2004-12-03 16:57 ` Zwane Mwaikambo
2004-12-03 22:18 ` H. Peter Anvin
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