Can someone please explain, why interrupt storm issue doesn't occur in non-VFIO scenario? > -----Original Message----- > From: linux-pci-owner@xxxxxxxxxxxxxxx [mailto:linux-pci- > owner@xxxxxxxxxxxxxxx] On Behalf Of Gavin Shan > Sent: Monday, January 05, 2015 7:48 AM > To: linux-pci@xxxxxxxxxxxxxxx > Cc: Ajit Kumar Khaparde; bhelgaas@xxxxxxxxxx; Gavin Shan > Subject: [PATCH] PCI: Mark broken INTx masking for BENET devices > > Similar to commit 11e4253 ("PCI: Assume all Mellanox devices have > broken INTx masking"), when passing through following PCI device > using VFIO infrastructure, interrupt storm are reported. After > marking its INTx masking is broken, the interrupt storm isn't > raised again: > > # lspci -s 0000::. > 0000:01:00.0 Ethernet controller: Emulex Corporation \ > OneConnect 10Gb NIC (be3) (rev 02) > 0000:01:00.1 Ethernet controller: Emulex Corporation \ > OneConnect 10Gb NIC (be3) (rev 02) > # lspci -n -s 0000::. > 0000:01:00.0 0200: 19a2:0710 (rev 02) > 0000:01:00.1 0200: 19a2:0710 (rev 02) > > Signed-off-by: Gavin Shan <gwshan@xxxxxxxxxxxxxxxxxx> > --- > drivers/pci/quirks.c | 2 ++ > include/linux/pci_ids.h | 2 ++ > 2 files changed, 4 insertions(+) > > diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c > index ed6f89b..e823ac0 100644 > --- a/drivers/pci/quirks.c > +++ b/drivers/pci/quirks.c > @@ -3027,6 +3027,8 @@ > DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_REALTEK, 0x8169, > quirk_broken_intx_masking); > DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, PCI_ANY_ID, > quirk_broken_intx_masking); > +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BE, PCI_ANY_ID, > + quirk_broken_intx_masking); > > #ifdef CONFIG_ACPI > /* > diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h > index e63c02a..df70b76 100644 > --- a/include/linux/pci_ids.h > +++ b/include/linux/pci_ids.h > @@ -2481,6 +2481,8 @@ > #define PCI_DEVICE_ID_KORENIX_JETCARDF2 0x1700 > #define PCI_DEVICE_ID_KORENIX_JETCARDF3 0x17ff > > +#define PCI_VENDOR_ID_BE 0x19a2 > + > #define PCI_VENDOR_ID_QMI 0x1a32 > > #define PCI_VENDOR_ID_AZWAVE 0x1a3b > -- > 1.8.3.2 > > -- > 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 -- 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
