linux-kernel - RE: [E1000-devel] [PATCH 0/2] Remove dead code

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Date:	Fri, 31 Jan 2014 09:10:06 +0000
From:	"Brown, Aaron F" <aaron.f.brown@...el.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
CC:	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [E1000-devel] [PATCH 0/2] Remove dead code

> From: Bjorn Helgaas [mailto:bhelgaas@...gle.com]
> Sent: Thursday, January 30, 2014 11:21 AM
> To: linux-pci@...r.kernel.org
> Cc: e1000-devel@...ts.sourceforge.net; Arjan van de Ven; linux-
> kernel@...r.kernel.org
> Subject: [E1000-devel] [PATCH 0/2] Remove dead code
> 
> This is a rework of part of Stephen's patch [1].
> 
> This removes the MMIO exclusivity support that was added as part of an
> e1000e bug hunt.
> 
> The e1000e driver still uses pci_request_selected_regions_exclusive(), but
> there are no callers of pci_request_region_exclusive() and
> pci_request_regions_exclusive().  I thought it was cleaner to remove the
> whole thing than to leave parts of it in place.  But I could easily be
> convinced to leave part or all of this in place if people think it's still
> useful.

Thanks Bjorn, I have added these to Jeff's queue.

> 
> It also removes SR-IOV migration support, which is completely unused, as
> far as I can tell.
> 
> [1]
> http://lkml.kernel.org/r/20131227132710.7190647c@nehalam.linuxnetplumber.n
> et
> 
> ---
> 
> Bjorn Helgaas (2):
>       PCI: Remove unused MMIO exclusivity support
>       PCI: Remove unused SR-IOV VF Migration support
> 
> 
>  Documentation/PCI/pci-iov-howto.txt        |    4 -
>  Documentation/kernel-parameters.txt        |    4 -
>  arch/x86/mm/init.c                         |    2
>  drivers/net/ethernet/intel/e1000e/netdev.c |    3 -
>  drivers/pci/iov.c                          |  119 -----------------------
> -----
>  drivers/pci/pci-sysfs.c                    |    3 -
>  drivers/pci/pci.c                          |  112 +++--------------------
> ---
>  drivers/pci/pci.h                          |    4 -
>  include/linux/ioport.h                     |    5 -
>  include/linux/pci.h                        |    7 --
>  kernel/resource.c                          |   54 -------------
>  11 files changed, 14 insertions(+), 303 deletions(-)
> 
> --------------------------------------------------------------------------
> ----
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