Re: [RFC][PATCH] pci-assign: Drop support for raw ioport access

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On Tue, 2012-05-29 at 12:26 +0300, Avi Kivity wrote:
> On 05/29/2012 10:47 AM, Jan Kiszka wrote:
> > 
> >> 
> >> Under what conditions would the kernel not support ioport access via sysfs?
> >> 
> > 
> > No clue. The oldest kernel I checked (2.6.16) does not contain traces it
> > would refuse to provide access.
> 
> I guess this was added first, and sysfs support was added later
> (9ed83e8eb18b0).  Alex, any idea what kernels would fail this?

It's more recent than that.  8633328b is where we added pci-sysfs ioport
access, so 2.6.35 would be the first kernel with it.  I don't really
know how this ever worked except for a very limited range of io ports
addresses before the sysfs access went in, so I'm ok with removing it.
Thanks,

Alex



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