On 02/05/2010 09:46 AM, Bjorn Helgaas wrote: > On Wednesday 03 February 2010 07:13:33 pm Yinghai Lu wrote: >> that may have some merging conflicts to pci_bridge updating patchset.... >> >> http://lkml.org/lkml/2010/1/22/43 >> [PATCH -v19 0/9] pci: update pci bridge resources > > Yep, it probably will. I'll help fix up any conflicts. > > Here's another question: there's a bunch of code in amd_bus.c that > overlaps with the _CRS code. How much of that will we still need > if we can turn on _CRS for 2010 and newer machines? didn't have new AMD machine on hand now. > > The amd_bus.c I/O ECS code doesn't overlap with any of the _CRS stuff, > but most of the rest looks like it does. it you have _CRS enabled, other hostbrige read code still read them out, but will check if root resources is already updated by _CRS related code. > > How many AMD boxes need amd_bus.c? I assume it's mostly or even only > those with multiple host bridges? Do you have any idea how many of > those shipped prior to 2010, and whether there are _CRS defects that > we're avoiding by using amd_bus.c? yes. Sun have 8 or more those kinds systems. and mostly have those problem. HP have simlair systems too. YH -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html