From mboxrd@z Thu Jan 1 00:00:00 1970 From: keith.busch@intel.com (Keith Busch) Date: Mon, 22 Jan 2018 11:05:16 -0700 Subject: Why NVMe MSIx vectors affinity set across NUMA nodes? In-Reply-To: References: <20180122171437.GL12043@localhost.localdomain> <20180122173239.GM12043@localhost.localdomain> Message-ID: <20180122180515.GN12043@localhost.localdomain> On Mon, Jan 22, 2018@11:25:45PM +0530, Ganapatrao Kulkarni wrote: > what was the need to use flag PCI_IRQ_AFFINITY in NVMe driver? > i dont see this flag being used widely. The flag is how we get the affinity set in the first place. Without it, we'd have to rely on user space to set irq affinities.