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From: Vincent Whitchurch <vincent.whitchurch@axis.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Richard Weinberger <richard@nod.at>,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	kernel <kernel@axis.com>, Xuan Zhuo <xuanzhuo@linux.alibaba.com>,
	Jason Wang <jasowang@redhat.com>,
	"linux-um@lists.infradead.org" <linux-um@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] um: virt-pci: set device ready in probe()
Date: Mon, 13 Jun 2022 08:50:05 +0200	[thread overview]
Message-ID: <20220613065004.GA21804@axis.com> (raw)
In-Reply-To: <20220610203029-mutt-send-email-mst@kernel.org>

On Sat, Jun 11, 2022 at 02:34:04AM +0200, Michael S. Tsirkin wrote:
> BTW Johannes I think you need to spec this device and get
> an ID - what's the plan for that? Current hack of punting
> this to userspace isn't really any good long term.

There is work ongoing in QEMU to add a new vfio-user protocol to support
out-of-process PCI device emulation.  Perhaps an option would be to use
that protocol instead in UML too in the future?

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WARNING: multiple messages have this Message-ID (diff)
From: Vincent Whitchurch <vincent.whitchurch@axis.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Richard Weinberger <richard@nod.at>,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	kernel <kernel@axis.com>, Xuan Zhuo <xuanzhuo@linux.alibaba.com>,
	Jason Wang <jasowang@redhat.com>,
	"linux-um@lists.infradead.org" <linux-um@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] um: virt-pci: set device ready in probe()
Date: Mon, 13 Jun 2022 08:50:05 +0200	[thread overview]
Message-ID: <20220613065004.GA21804@axis.com> (raw)
In-Reply-To: <20220610203029-mutt-send-email-mst@kernel.org>

On Sat, Jun 11, 2022 at 02:34:04AM +0200, Michael S. Tsirkin wrote:
> BTW Johannes I think you need to spec this device and get
> an ID - what's the plan for that? Current hack of punting
> this to userspace isn't really any good long term.

There is work ongoing in QEMU to add a new vfio-user protocol to support
out-of-process PCI device emulation.  Perhaps an option would be to use
that protocol instead in UML too in the future?

  parent reply	other threads:[~2022-06-13  6:50 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-10 15:12 [PATCH] um: virt-pci: set device ready in probe() Vincent Whitchurch
2022-06-10 15:12 ` Vincent Whitchurch
2022-06-10 19:36 ` Johannes Berg
2022-06-10 19:36   ` Johannes Berg
2022-06-11  0:34 ` Michael S. Tsirkin
2022-06-11  0:34   ` Michael S. Tsirkin
2022-06-12  8:58   ` Johannes Berg
2022-06-12  8:58     ` Johannes Berg
2022-06-12 14:08     ` Michael S. Tsirkin
2022-06-12 14:08       ` Michael S. Tsirkin
2022-06-13  6:50   ` Vincent Whitchurch [this message]
2022-06-13  6:50     ` Vincent Whitchurch
2022-06-13  6:58 ` Jason Wang
2022-06-13  6:58   ` Jason Wang
2022-06-13  7:25   ` Michael S. Tsirkin
2022-06-13  7:25     ` Michael S. Tsirkin
2022-06-16 10:40   ` Vincent Whitchurch
2022-06-16 10:40     ` Vincent Whitchurch

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