On Tue, Jun 14, 2022 at 03:30:08PM +0300, Andy Shevchenko wrote: > On Mon, Jun 13, 2022 at 10:31:39PM +0200, Hans de Goede wrote: > > On 6/13/22 22:16, Andy Shevchenko wrote: > > > The resource management improve for PCI on x86 broke booting of Intel MID > > > platforms. It seems that the current code removes all available resources > > > from the list and none of the PCI device may be initialized. Restore the > > > old behaviour by force disabling the e820 usage for the resource allocation. > > > > > > Fixes: 4c5e242d3e93 ("x86/PCI: Clip only host bridge windows for E820 regions") > > > Depends-on: fa6dae5d8208 ("x86/PCI: Add kernel cmdline options to use/ignore E820 reserved regions") > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > > > Andy, thank you for the patch. Commit 4c5e242d3e93 has also been causing > > issues for other platforms, so I've submitted a revert of it here: > > > > https://lore.kernel.org/linux-pci/20220612144325.85366-1-hdegoede@xxxxxxxxxx/T/#u > > > > can you please give the revert a try, and confirm that that fixes > > the Intel MID platform issue too ? > > Nope, it doesn't fix. The problem is in flags checking as far as I can see. > My patch is needed either we have yours or not. Hold on, it seems I have tried to build something that is not what I develop. Lemme retest. -- With Best Regards, Andy Shevchenko