On Tue, Nov 16, 2021 at 10:21:18AM +0000, Rui Salvaterra wrote: > Hi, Thomas, > > On Fri, 5 Nov 2021 at 13:14, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > > > On Thu, Nov 04 2021 at 18:01, Marc Zyngier wrote: > > > Rui reported[1] that his Nvidia ION system stopped working with 5.15, > > > with the AHCI device failing to get any MSI. A rapid investigation > > > revealed that although the device doesn't advertise MSI masking, it > > > actually needs it. Quality hardware indeed. > > > > > > Anyway, the couple of patches below are an attempt at dealing with the > > > issue in a more or less generic way. > > > > > > [1] https://lore.kernel.org/r/CALjTZvbzYfBuLB+H=fj2J+9=DxjQ2Uqcy0if_PvmJ-nU-qEgkg@xxxxxxxxxxxxxx > > > > > > Marc Zyngier (2): > > > PCI: MSI: Deal with devices lying about their MSI mask capability > > > PCI: Add MSI masking quirk for Nvidia ION AHCI > > > > > > drivers/pci/msi.c | 3 +++ > > > drivers/pci/quirks.c | 6 ++++++ > > > include/linux/pci.h | 2 ++ > > > 3 files changed, 11 insertions(+) > > > > Groan. > > > > Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > > Just a reminder, to make sure this doesn't fall through the cracks. > It's already in 5.16, but needs to be backported to 5.15. I'm not > seeing it in Greg's 5.15 stable queue yet. What is the git commit ids of these changes in Linus's tree? thanks, greg k-h
