Re: Avoid creating P2P prefetch window for expansion ROMs

2007-12-11 Thread Gary Hade
itional information that was provided by the BIOS engineer who I have also been talking to about the problem, I have decided to propose: 1. Elimination of the default expansion ROM memory allocation attempts with old behavior accessible via pci=rom boot option. 2. Revert my "Avoi

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-12-11 Thread Gary Hade
the problem, I have decided to propose: 1. Elimination of the default expansion ROM memory allocation attempts with old behavior accessible via pci=rom boot option. 2. Revert my Avoid creating P2P prefetch window for expansion ROMs change to eliminate the type of regressions that Jan

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-27 Thread Gary Hade
Hi Jan, On Tue, Nov 27, 2007 at 09:28:25AM +, Jan Beulich wrote: > >A kernel without the patch always forced creation of a prefetch > >window for expansion ROMs which was incorrect on systems where > >insufficient memory resources are available for both non-prefetch > >and prefetch windows.

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-27 Thread Gary Hade
Hi Jan, On Tue, Nov 27, 2007 at 09:28:25AM +, Jan Beulich wrote: A kernel without the patch always forced creation of a prefetch window for expansion ROMs which was incorrect on systems where insufficient memory resources are available for both non-prefetch and prefetch windows. On the

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-26 Thread Gary Hade
On Mon, Nov 26, 2007 at 02:15:45PM -0800, Greg KH wrote: > On Mon, Nov 26, 2007 at 01:59:54PM -0800, Gary Hade wrote: > > Greg, > > Without a closer look at the code and the information I > > requested above I am not 100% certain that my expansion ROM > > allocation fix is incomplete but it seems

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-26 Thread Greg KH
On Mon, Nov 26, 2007 at 01:59:54PM -0800, Gary Hade wrote: > Greg, > Without a closer look at the code and the information I > requested above I am not 100% certain that my expansion ROM > allocation fix is incomplete but it seems pretty likely that > it is. If you feel that the possible

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-26 Thread Gary Hade
nel option? > > I have to admit I didn't even know about that option; It is quite new. It was added with a separate patch that I submitted at the same time as the "Avoid creating P2P prefetch window for expansion ROMs" patch. Prior to constraining PCI memory resource allocati

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-26 Thread Gary Hade
with a separate patch that I submitted at the same time as the Avoid creating P2P prefetch window for expansion ROMs patch. Prior to constraining PCI memory resource allocations to what _CRS returned, the BIOS unassigned mem resources (including that required for expansion ROMs) were being

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-26 Thread Greg KH
On Mon, Nov 26, 2007 at 01:59:54PM -0800, Gary Hade wrote: Greg, Without a closer look at the code and the information I requested above I am not 100% certain that my expansion ROM allocation fix is incomplete but it seems pretty likely that it is. If you feel that the possible regression

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-26 Thread Gary Hade
On Mon, Nov 26, 2007 at 02:15:45PM -0800, Greg KH wrote: On Mon, Nov 26, 2007 at 01:59:54PM -0800, Gary Hade wrote: Greg, Without a closer look at the code and the information I requested above I am not 100% certain that my expansion ROM allocation fix is incomplete but it seems pretty

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-21 Thread Jan Beulich
>>> Greg KH <[EMAIL PROTECTED]> 21.11.07 00:14 >>> >On Tue, Nov 20, 2007 at 03:49:43AM -0700, Jan Beulich wrote: >> This patch (in its incarnation in our SLE10SP2 tree) is causing resource >> allocation failures on one of my machines. > >Does the latest 2.6.23 kernel also cause these same

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-21 Thread Jan Beulich
Greg KH [EMAIL PROTECTED] 21.11.07 00:14 On Tue, Nov 20, 2007 at 03:49:43AM -0700, Jan Beulich wrote: This patch (in its incarnation in our SLE10SP2 tree) is causing resource allocation failures on one of my machines. Does the latest 2.6.23 kernel also cause these same problems? The patch

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-20 Thread Greg KH
On Tue, Nov 20, 2007 at 03:49:43AM -0700, Jan Beulich wrote: > This patch (in its incarnation in our SLE10SP2 tree) is causing resource > allocation failures on one of my machines. Does the latest 2.6.23 kernel also cause these same problems? > The condition for this is that besides ROMs behind

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-20 Thread Jan Beulich
This patch (in its incarnation in our SLE10SP2 tree) is causing resource allocation failures on one of my machines. The condition for this is that besides ROMs behind a bridge not having their base addresses assigned there's no extra space available in the non-prefetch window to accommodate the

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-20 Thread Jan Beulich
This patch (in its incarnation in our SLE10SP2 tree) is causing resource allocation failures on one of my machines. The condition for this is that besides ROMs behind a bridge not having their base addresses assigned there's no extra space available in the non-prefetch window to accommodate the

Re: Avoid creating P2P prefetch window for expansion ROMs

2007-11-20 Thread Greg KH
On Tue, Nov 20, 2007 at 03:49:43AM -0700, Jan Beulich wrote: This patch (in its incarnation in our SLE10SP2 tree) is causing resource allocation failures on one of my machines. Does the latest 2.6.23 kernel also cause these same problems? The condition for this is that besides ROMs behind a