Hi Jesse, On Wed, 6 Jul 2011 09:07:33 -0700 Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote: > > On Wed, 6 Jul 2011 02:06:38 -0700 > Ram Pai <linuxram@xxxxxxxxxx> wrote: > > > On Thu, Jun 30, 2011 at 01:09:39AM -0700, Ram Pai wrote: > > > Multiple attempts to dynamically reallocate pci resources have unfortunately > > > lead to regressions. Though we continue to fix the regressions and fine tune the > > > dynamic-reallocation behavior, we have not reached a acceptable state yet. > > > > > > This patch provides a interim solution. It disables dynamic-reallocation; by > > > default, with the ability to enable it through pci=realloc kernel command line > > > parameter. > > > > > > > > Signed-off-by: Ram Pai <linuxram@xxxxxxxxxx> > > > --- > > > Documentation/kernel-parameters.txt | 2 ++ > > > arch/x86/pci/common.c | 4 ++++ > > > drivers/pci/setup-bus.c | 7 +++++++ > > > include/linux/pci.h | 2 ++ > > > 4 files changed, 15 insertions(+), 0 deletions(-) > > > > > > diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt > > > index fd248a3..aa47be7 100644 > > > --- a/Documentation/kernel-parameters.txt > > > +++ b/Documentation/kernel-parameters.txt > > > @@ -2015,6 +2015,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted. > > > the default. > > > off: Turn ECRC off > > > on: Turn ECRC on. > > > + realloc reallocate PCI resources if allocations done by BIOS > > > + are erroneous. > > > > > > pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power > > > Management. > > > > Linus/Jesse, > > > > Are we merging this patch in 3.0.0 ? > > Yeah I think we probably should, since the alternative is still pretty > large. > > I'll queue it up with any other small patches that are needed at this > point and send them over to Linus. It breaks the powerpc build (see my other message). -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx http://www.canb.auug.org.au/~sfr/
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