From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Liang, Cunming" <cunming.liang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v7 06/10] eal/linux: add interrupt vectors
 handling on VFIO
Date: Thu, 07 May 2015 14:29:54 +0800
Message-ID: <554B0662.6060409@intel.com>
References: <1425012976-10173-1-git-send-email-cunming.liang@intel.com>	<1430804386-28949-1-git-send-email-cunming.liang@intel.com>	<1430804386-28949-7-git-send-email-cunming.liang@intel.com>
 <20150505113842.586ec802@urahara>
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To: Stephen Hemminger <stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public.gmane.org>
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On 5/6/2015 2:38 AM, Stephen Hemminger wrote:
> On Tue,  5 May 2015 13:39:42 +0800
> Cunming Liang <cunming.liang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> 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.