[dpdk-dev] [PATCH v7 06/10] eal/linux: add interrupt vectors handling on VFIO

[Liang, Cunming]

On 5/6/2015 2:38 AM, Stephen Hemminger wrote:
> On Tue,  5 May 2015 13:39:42 +0800
> Cunming Liang <cunming.liang at intel.com> wrote:
>
>> diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
>> index aea1fb1..387f54c 100644
>> --- a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
>> +++ b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
>> @@ -308,6 +308,18 @@ pci_vfio_setup_interrupts(struct rte_pci_device *dev, int vfio_dev_fd)
>>   		case VFIO_PCI_MSIX_IRQ_INDEX:
>>   			internal_config.vfio_intr_mode = RTE_INTR_MODE_MSIX;
>>   			dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_MSIX;
>> +			for (i = 0; i < RTE_MAX_RXTX_INTR_VEC_ID; i++) {
>> +				fd = eventfd(0, 0);
>> +				if (fd < 0) {
>> +
> You should pass EFD_NONBLOCK and EFD_CLOEXEC as flags to any eventfd's created
> internally.
[LCM] Agree, make sense.