linux-kernel - Re: [PATCH v2] pci: Allow read/write access to sysfs I/O port resources

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Message-ID: <20100723092806.58ef884f@virtuousgeek.org>
Date:	Fri, 23 Jul 2010 09:28:06 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	chrisw@...hat.com, ddutile@...hat.com, bjorn.helgaas@...com,
	eike-kernel@...tec.de
Subject: Re: [PATCH v2] pci: Allow read/write access to sysfs I/O port
 resources

On Fri, 23 Jul 2010 09:10:27 -0600
Alex Williamson <alex.williamson@...hat.com> wrote:

> On Mon, 2010-07-19 at 09:45 -0600, Alex Williamson wrote:
> > PCI sysfs resource files currently only allow mmap'ing.  On x86 this
> > works fine for memory backed BARs, but doesn't work at all for I/O
> > port backed BARs.  Add read/write to I/O port PCI sysfs resource
> > files to allow userspace access to these device regions.
> > 
> > Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
> > ---
> 
> Any thoughts on this for -next?  Thanks,

Yeah, I like it.  Unless there are objections I'll pull it in.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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