linux-kernel - Re: [PATCH] x86, k8-gart: Decouple handling of garts and northbridges

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Message-ID: <4C77F164.8000100@zytor.com>
Date:	Fri, 27 Aug 2010 10:09:56 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andreas Herrmann <herrmann.der.user@...glemail.com>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86, k8-gart: Decouple handling of garts and northbridges

On 08/27/2010 12:59 AM, Andreas Herrmann wrote:
> From: Andreas Herrmann <andreas.herrmann3@....com>
> 
> So far we only provide num_k8_northbridges. This is required in
> different areas (e.g. L3 cache index disable, GART). But not all AMD
> CPUs provide a GART. Thus it is useful to split off the GART handling
> from the generic caching of AMD northbridge misc devices.
> 
> Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com>
> ---
>  arch/x86/include/asm/k8.h             |   13 +++++---
>  arch/x86/kernel/cpu/intel_cacheinfo.c |    4 +-
>  arch/x86/kernel/k8.c                  |   52 +++++++++++++++++++--------------
>  arch/x86/kernel/pci-gart_64.c         |   27 +++++++++++------
>  drivers/char/agp/amd64-agp.c          |   33 ++++++++++++++------
>  drivers/edac/amd64_edac.c             |    2 +-
>  6 files changed, 82 insertions(+), 49 deletions(-)
> 
> 
> Please apply.
> 

>From just looking at it: isn't this patch going to break compiling with
CONFIG_K8_NB=n?

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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