Re: [Qemu-devel] irqfd for QEMU NVMe

2017-09-11 Thread Stefan Hajnoczi
On Fri, Sep 08, 2017 at 04:17:32PM -0500, Huaicheng Li wrote: > I'm writing to ask if it's possible to use irqfd mechanism in QEMU's NVMe > virtual controller implementation. My search results show that back in > 2015, there is a discussion on improving QEMU NVMe performance by utilizing > eventfd

[Qemu-devel] irqfd for QEMU NVMe

2017-09-08 Thread Huaicheng Li
Hi all, I'm writing to ask if it's possible to use irqfd mechanism in QEMU's NVMe virtual controller implementation. My search results show that back in 2015, there is a discussion on improving QEMU NVMe performance by utilizing eventfd for guest-to-host notification, thus i guess irqfd should als