linux-kernel - RE: [PATCH] Fix embedded nic order on Dell PowerEdge systems

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Message-ID: <E31FB011129F30488D5861F3839049151E9056C57A@BLRX7MCDC201.AMER.DELL.COM>
Date:	Mon, 11 Jul 2011 17:52:01 +0530
From:	<Narendra_K@...l.com>
To:	<kernel@...uxace.com>
CC:	<linux-kernel@...r.kernel.org>, <Jordan_Hargrave@...l.com>,
	<jbarnes@...tuousgeek.org>, <Shyam_Iyer@...l.com>,
	<Charles_Rose@...l.com>
Subject: RE: [PATCH] Fix embedded nic order on Dell PowerEdge systems

> -----Original Message-----
> From: Phil Oester [mailto:kernel@...uxace.com]
> Sent: Sunday, July 10, 2011 9:03 AM
> To: K, Narendra
> Cc: linux-kernel@...r.kernel.org; Hargrave, Jordan;
> jbarnes@...tuousgeek.org
> Subject: Re: [PATCH] Fix embedded nic order on Dell PowerEdge systems
> 
> On Thu, Jun 09, 2011 at 01:03:00AM -0700, Narendra_K@...l.com wrote:
> > > -----Original Message-----
> > > From: Phil Oester [mailto:kernel@...uxace.com]
> > > Sent: Thursday, June 09, 2011 1:44 AM
> > > To: linux-kernel@...r.kernel.org
> > > Cc: K, Narendra; Hargrave, Jordan; jbarnes@...tuousgeek.org
> > > Subject: [PATCH] Fix embedded nic order on Dell PowerEdge systems
> > >
> > >     In commit 6e8af08dfa40b747002207d3ce8e8b43a050d99f ("PCI: enable
> > > pci=bfsort
> > >     by default on future Dell systems"), the callback added was placed at
> the
> > >     top of the list, before the specific PowerEdge models.  This ends up
> > >     breaking the more specific models listed, since the new callback
> handles
> > >     all Dell systems but the older systems don't have the new 0xB1 smbios
> > >     entry.
> > >
> > >     Fix this by placing the new check _after_ the more specific PowerEdge
> > >     sytems.
> > >
> > >     Phil Oester
> > >
> > >     Signed-off-by: Phil Oester <kernel@...uxace.com>
> > >
> > > diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index
> > > 5fe7502..92df322 100644
> > > --- a/arch/x86/pci/common.c
> > > +++ b/arch/x86/pci/common.c
> > > @@ -247,13 +247,6 @@ static const struct dmi_system_id
> > > __devinitconst pciprobe_dmi_table[] = {
> > >  	},
> > >  #endif		/* __i386__ */
> > >  	{
> > > -		.callback = find_sort_method,
> > > -		.ident = "Dell System",
> > > -		.matches = {
> > > -			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
> > > -		},
> > > -	},
> > > -	{
> > >  		.callback = set_bf_sort,
> > >  		.ident = "Dell PowerEdge 1950",
> > >  		.matches = {
> > > @@ -294,6 +287,13 @@ static const struct dmi_system_id
> > > __devinitconst pciprobe_dmi_table[] = {
> > >  		},
> > >  	},
> > >  	{
> > > +		.callback = find_sort_method,
> > > +		.ident = "Dell System",
> > > +		.matches = {
> > > +			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
> > > +		},
> > > +	},
> > > +	{
> > >  		.callback = set_bf_sort,
> > >  		.ident = "HP ProLiant BL20p G3",
> > >  		.matches = {
> > [>]
> >
> > Hi, this issue is fixed and the fix is in Jesse's linux-next tree.
> >
> > http://marc.info/?l=linux-pci&m=130108034729082 (x86/PCI: Preserve
> > existing pci=bfsort whitelist for Dell systems)
> >
> > With regards,
> > Narendra K
> 
> This patch is still not included in 3.0.0-rc6, nor in any stable series.
> Some reason for this?  And did Dell do any testing at all on existing hardware
> before submitting 6e8af08dfa4?  Seems even a minor amount of testing
> should have shown this regression.
> 
> Given 3.0.0 is expected soon, perhaps this can be included?  Jesse?
> 

Hi, I think for the patch to be included into stable, it needs to be in the mainline.
Hi Jesse, please consider queuing this patch  for mainline.

With regards,
Narendra K


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