Re: [PATCH] Enable pci=bfsort by default on future Dell systems

From: Jesse Barnes
Date: Fri Dec 17 2010 - 13:07:13 EST


On Fri, 17 Dec 2010 08:17:29 -0800
<Narendra_K@xxxxxxxx> wrote:

> On Tue, Dec 14, 2010 at 11:21:19PM +0530, K, Narendra wrote:
> > Hello,
> >
> > This patch enables pci=bfsort by default on future Dell systems.
> > Please consider for inclusion if acceptable.
> >
> > From: Jordan Hargrave <jordan_hargrave@xxxxxxxx>
> > Subject: [PATCH] Enable pci=bfsort by default on future Dell systems
> >
> > This patch enables pci=bfsort by default on future Dell systems.
> > It reads SMBIOS type 0xB1 vendor specific record and sets pci=bfsort accordingly.
> >
> > Offset Name Length Value Description
> >
> > 04 Flags0 Word Varies Bits 9-10
> > - 10:9 = 00 Unknown
> > - 10:9 = 01 Breadth First
> > - 10:9 = 10 Depth First
> > - 10:9 = 11 Reserved
> >
> > 1. Any time pci=bfsort has to be enabled on a system, we need to add the model
> > number of the system to the white list. With this patch, that is not required.
> >
> > 2. Typically, model number has to be added to the white list when the system is
> > under development. With this change, that is not required.
> >
> > Signed-off-by: Jordan Hargrave <jordan_hargrave@xxxxxxxx>
> > Signed-off-by: Narendra K <narendra_k@xxxxxxxx>
> > ---
>
> Hello Jesse,
>
> Please let us know if there are any concerns with this patch. If the
> patch is acceptable, please consider it for inclusion.

Yeah, I don't have a problem with it; I'll queue it up in the -next
branch.

--
Jesse Barnes, Intel Open Source Technology Center
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