lkml.org 
[lkml]   [2008]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in
On Mon, 14 Jan 2008 00:54:34 +0000
Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> On Sun, 13 Jan 2008 16:28:08 -0500
> Tony Camuso <tcamuso@redhat.com> wrote:
>
> > Arjan van de Ven wrote:
> >
> > >> The PCI spec provides for conf1 as an architected solution. It's
> > >> not going away, and especially not in x86 land where Port IO is
> > >> built-in to the CPU.
>

>
> I suspect Arjan is wrong. It might be some Intel agenda but I still
> see fairly new driver reference code that is hardcoding port accesses
> even when designed for Redmond products.


I find it hard to believe that even they have their drivers do PCI config access via ports directly from the drivers,
and especially in driver reference code...


--
If you want to reach me at my work email, use arjan@linux.intel.com
For development, discussion and tips for power savings,
visit http://www.lesswatts.org


\
 
 \ /
  Last update: 2008-01-14 02:37    [W:0.115 / U:1.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site