From: "Jörg-Volker Peetz" <jvpeetz@web.de>
To: linux-kernel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
x86@kernel.org, bhelgaas@google.com,
Suravee.Suthikulpanit@amd.com, joro@8bytes.org
Subject: Re: [PATCH] x86, aperture: Check for GART before accessing GART registers
Date: Tue, 14 Apr 2015 20:22:48 +0200 [thread overview]
Message-ID: <552D5AF8.3070705@web.de> (raw)
In-Reply-To: <20150414113349.GA26075@pd.tnic>
Hi,
Borislav Petkov wrote on 04/14/2015 13:33:
> On Tue, Apr 14, 2015 at 01:15:43PM +0200, Jörg-Volker Peetz wrote:
>> Hi,
>
> Hi,
>
> please do not top-post.
>
>> tried this patch on my HP Pavilion notebook wiht AMD Phenom II processor. The
>> BIOS has no IOMMU option.
>> With this patch I'm still seeing the AGP messages mention in the patch description.
>> Is this processor affected at all?
>
> Your CPU has an AGP bridge but the BIOS doesn't leave an aperture so the
> kernel has to do it. Read the message.
>
>> /proc/cpuinfo says "cpu family" 16. That is 10h?
>
> Yes.
>
thank you for the explanation. Somehow I thought I had a newer CPU w/o GART
registers, but I misread the patch. Maybe wishful thinking, in the hope to save
64 MB :-(
Sorry for the noise.
--
Regards,
jvp.
next prev parent reply other threads:[~2015-04-14 18:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-01 14:32 [PATCH] x86, aperture: Check for GART before accessing GART registers Aravind Gopalakrishnan
2015-04-02 6:59 ` Borislav Petkov
2015-04-02 10:01 ` Ingo Molnar
2015-04-02 15:54 ` Aravind Gopalakrishnan
2015-04-02 16:06 ` Ingo Molnar
2015-04-02 16:23 ` Aravind Gopalakrishnan
2015-04-02 16:53 ` Borislav Petkov
2015-04-02 17:04 ` Aravind Gopalakrishnan
2015-04-02 17:17 ` Borislav Petkov
2015-04-02 18:19 ` Ingo Molnar
2015-04-06 23:10 ` Aravind Gopalakrishnan
2015-04-07 12:34 ` Borislav Petkov
2015-04-07 14:46 ` Aravind Gopalakrishnan
2015-04-07 14:57 ` Borislav Petkov
2015-04-07 20:34 ` Aravind Gopalakrishnan
2015-04-08 7:25 ` Borislav Petkov
2015-04-14 11:15 ` Jörg-Volker Peetz
2015-04-14 11:33 ` Borislav Petkov
2015-04-14 18:22 ` Jörg-Volker Peetz [this message]
2015-04-14 18:36 ` Borislav Petkov
2015-05-04 11:11 ` Joerg Roedel
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