On Thu, 2010-03-11 at 17:01 -0700, Bjorn Helgaas wrote: > These patches are to fix this pci=use_crs regression: > > http://bugzilla.kernel.org/show_bug.cgi?id=15480 > > The problem is that BIOS reported a PCI host bridge window that overlaps > system RAM. This workaround trims the window to avoid the overlap, which > requires information about the conflicting resource. > > Yanko, I reworked these a bit, so if you have a chance to retest them > and collect another dmesg log, I'd appreciate it. > > I'm still hoping for someone to find out how Windows deals with this, but > haven't gotten any data yet. > > --- > > Bjorn Helgaas (3): > resources: add interfaces that return conflict information > x86/PCI: trim _CRS windows when they conflict with previous reservations > PCI: for address space collisions, show conflicting resource > > > arch/x86/pci/acpi.c | 48 ++++++++++++++++++++++++++++++++++------------- > drivers/pci/setup-res.c | 14 ++++++++------ > include/linux/ioport.h | 2 ++ > kernel/resource.c | 44 ++++++++++++++++++++++++++++++++++++------- > 4 files changed, 82 insertions(+), 26 deletions(-) Applied on top of latest rawhide kernel. Boots without pci= workarounds and works fine so far. Dmesg attached to the bug report. Thanks -- 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
