Hi, On Fri, Mar 04, 2022 at 03:15:16PM +0100, Hans de Goede wrote: > Hi Bjorn, > > On 3/4/22 04:51, Bjorn Helgaas wrote: > > From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > > > > This is based on Hans' extensive debugging and patch at > > https://lore.kernel.org/r/20220228105259.230903-1-hdegoede@xxxxxxxxxx > > and applies on 7e57714cd0ad ("Linux 5.17-rc6"). > > > > This is basically the same idea (applying the 4dc2287c1805 workaround only > > when an E820 region *partially* overlaps a host bridge window), but I think > > it's a little simpler. > > > > This also adds a little dmesg output when clipping, which should make > > future debugging easier. > > > > I bcc'd several folks who didn't have public email addresses in the RedHat > > bugzilla or Launchpad. If you review or test this, I'd be happy to > > acknowledge that. > > > > Bjorn Helgaas (3): > > x86/PCI: Eliminate remove_e820_regions() common subexpressions > > x86/PCI: Log host bridge window clipping for E820 regions > > x86/PCI: Preserve host bridge windows completely covered by E820 > > Thanks, I agree that this is better then my fix I also like the logging > added to 2/3 which lets us know if the commit 4dc2287c1805 workaround > is active. > > I have one small remark on 3/3. Regardless of that getting addressed > the entire series is: > > Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Looks good to me too :) Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>