Re: [PATCH] PCI: Add Intel XXV710 to broken INTx masking quirk

From: Bjorn Helgaas
Date: Mon Jun 12 2017 - 17:56:45 EST


On Wed, Jun 07, 2017 at 01:00:48PM -0600, Alex Williamson wrote:
> Just like the other XL710 and X710 variants, the XXV710 device IDs
> appear to have the same hardware bug, the status register doesn't
> report pending interrupts resulting in "irq xx: nobody cared..."
> errors from the spurious interrupt handler when we try to use it
> with device assignment.
>
> Reported-by: Stefan Assmann <sassmann@xxxxxxxxxx>
> Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Cc: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>

Applied with Jesse's ack to pci/virtualization for v4.13, thanks!

> ---
> drivers/pci/quirks.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 16e6cd86ad71..aa1c9e65f562 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -3236,6 +3236,10 @@ static void quirk_broken_intx_masking(struct pci_dev *dev)
> quirk_broken_intx_masking);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1589,
> quirk_broken_intx_masking);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x158a,
> + quirk_broken_intx_masking);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x158b,
> + quirk_broken_intx_masking);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x37d0,
> quirk_broken_intx_masking);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x37d1,
>