From: Klaus Jensen <its@irrelevant.dk>
To: Jinhao Fan <fanjinhao21s@ict.ac.cn>
Cc: qemu-devel@nongnu.org, kbusch@kernel.org, stefanha@gmail.com,
"open list:nvme" <qemu-block@nongnu.org>
Subject: Re: [PATCH 4/4] hw/nvme: add MSI-x mask handlers for irqfd
Date: Tue, 16 Aug 2022 12:46:43 +0200 [thread overview]
Message-ID: <Yvt1k5X6Gu0xW3Lg@apples> (raw)
In-Reply-To: <20220811153739.3079672-5-fanjinhao21s@ict.ac.cn>
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On Aug 11 23:37, Jinhao Fan wrote:
> When irqfd is enabled, we bypass QEMU's irq emulation and let KVM to
> directly assert the irq. However, KVM is not aware of the device's MSI-x
> masking status. Add MSI-x mask bookkeeping in NVMe emulation and
> detach the corresponding irqfd when the certain vector is masked.
>
Did qtest work out for you for testing? If so, it would be nice to add a
simple test case as well.
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next prev parent reply other threads:[~2022-08-16 10:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-11 15:37 [PATCH 0/4] hw/nvme: add irqfd support Jinhao Fan
2022-08-11 15:37 ` [PATCH 1/4] hw/nvme: avoid unnecessary call to irq (de)assertion functions Jinhao Fan
2022-08-16 15:24 ` Stefan Hajnoczi
2022-08-17 5:42 ` Jinhao Fan
2022-08-11 15:37 ` [PATCH 2/4] hw/nvme: add option to (de)assert irq with eventfd Jinhao Fan
2022-08-16 11:20 ` Klaus Jensen
2022-08-17 5:36 ` Jinhao Fan
2022-08-23 10:58 ` Klaus Jensen
2022-08-11 15:37 ` [PATCH 3/4] hw/nvme: use irqfd to send interrupts Jinhao Fan
2022-08-11 15:37 ` [PATCH 4/4] hw/nvme: add MSI-x mask handlers for irqfd Jinhao Fan
2022-08-16 10:46 ` Klaus Jensen [this message]
2022-08-17 5:35 ` Jinhao Fan
2022-08-23 14:43 ` Jinhao Fan
2022-08-24 11:22 ` Klaus Jensen
2022-08-24 13:16 ` Jinhao Fan
2022-08-23 11:04 ` Klaus Jensen
2022-08-16 1:54 ` [PATCH 0/4] hw/nvme: add irqfd support Jinhao Fan
2022-08-24 20:15 ` Klaus Jensen
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