From: Jinhao Fan <fanjinhao21s@ict.ac.cn>
To: Klaus Jensen <its@irrelevant.dk>, Stefan Hajnoczi <stefanha@gmail.com>
Cc: qemu-devel@nongnu.org, kbusch@kernel.org
Subject: Re: [PATCH 0/3] iothread and irqfd support
Date: Wed, 12 Oct 2022 23:35:05 +0800 [thread overview]
Message-ID: <ce082eb5-e362-87f7-c4fc-bc786515017c@ict.ac.cn> (raw)
In-Reply-To: <Y0bRsLWaSaUnPFqM@cormorant.local>
On 10/12/2022 10:39 PM, Klaus Jensen wrote:
> I have been meaning to pick it up, but I got side-tracked. The polling
> performance drop needs to be address as we discussed offline.
>
> But the v4 looks pretty good and I can pick that up without the polling
> support for now.
I've been using the v4 without polling for my daily work. It worked
pretty well for my test workloads.
I'm not sure what needs to be done for the polling problem. I can try to
add a completion batching mechanism with BH, similar to virtio-blk. Do
you think this is the right direction?
next prev parent reply other threads:[~2022-10-12 15:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-26 11:18 [PATCH 0/3] iothread and irqfd support Jinhao Fan
2022-08-26 11:18 ` [PATCH 1/3] hw/nvme: support irq(de)assertion with eventfd Jinhao Fan
2022-08-26 11:18 ` [PATCH 2/3] hw/nvme: use KVM irqfd when available Jinhao Fan
2022-08-26 11:18 ` [PATCH 3/3] hw/nvme: add iothread support Jinhao Fan
2022-08-26 15:10 ` Jinhao Fan
2022-10-12 14:28 ` [PATCH 0/3] iothread and irqfd support Stefan Hajnoczi
2022-10-12 14:39 ` Klaus Jensen
2022-10-12 15:35 ` Jinhao Fan [this message]
2022-10-12 15:53 ` Stefan Hajnoczi
2022-10-14 4:49 ` Jinhao Fan
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