lkml.org 
[lkml]   [2009]   [Dec]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2] PCI: Always set prefetchable base/limit upper32 registers
From
Date
On Fri, 2009-12-04 at 16:01 -0800, Jesse Barnes wrote:
> On Mon, 30 Nov 2009 14:51:44 -0700
> Alex Williamson <alex.williamson@hp.com> wrote:
>
> > Prior to 1f82de10 we always initialized the upper 32bits of the
> > prefetchable memory window, regardless of the address range used.
> > Now we only touch it for a >32bit address, which means the upper32
> > registers remain whatever the BIOS initialized them too.
> >
> > It's valid for the BIOS to set the upper32 base/limit to
> > 0xffffffff/0x00000000, which makes us program prefetchable ranges
> > like 0xffffffffabc00000 - 0x00000000abc00000
> >
> > Revert the chunk of 1f82de10 that made this conditional so we always
> > write the upper32 registers and remove now unused pref_mem64 variable.
> >
> > Signed-off-by: Alex Williamson <alex.williamson@hp.com>
> > ---
> >
>
> Applied this one, though it looks like your diff had some context that
> wasn't in my tree. Please double check that I fixed it up correctly.

Yep, looks fine. Thanks Jesse.

Alex



\
 
 \ /
  Last update: 2009-12-05 15:53    [W:0.083 / U:0.200 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site