lkml.org 
[lkml]   [2007]   [Sep]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH]PCI:disable resource decode in PCI BAR detection
On Sun, Sep 16, 2007 at 01:52:59PM -0600, Matthew Wilcox wrote:
> I don't think it would be that complicated. We could just delay probing
> for mmconfig until after the pci bus probes are done. No changes to
> other architectures needed.

Indeed. Seems like it's a way to go.

> I'm really disappointed with mmconfig. Here was a great chance to get
> rid of all the sucky performance problems of the past, and BIOS writers
> and chipset designers have fucked up the implementation so much that
> it's now the ugliest method for getting to pci config space. And it's
> the *only* method of getting to extended config space.

Same feeling...

Fortunately, it seems that we don't access the extended config space
during bus probe.

Ivan.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-17 11:35    [W:0.444 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site