linux-kernel - Re: [PATCH] virtio_pmem: Check device status before requesting flush

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Message-ID: <66c4a6d18e811_2f0245294ba@iweiny-mobl.notmuch>
Date: Tue, 20 Aug 2024 09:23:13 -0500
From: Ira Weiny <ira.weiny@...el.com>
To: Philip Chen <philipchen@...omium.org>, Ira Weiny <ira.weiny@...el.com>
CC: Pankaj Gupta <pankaj.gupta.linux@...il.com>, Dan Williams
	<dan.j.williams@...el.com>, Vishal Verma <vishal.l.verma@...el.com>, "Dave
 Jiang" <dave.jiang@...el.com>, <virtualization@...ts.linux.dev>,
	<nvdimm@...ts.linux.dev>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] virtio_pmem: Check device status before requesting flush

Philip Chen wrote:
> On Mon, Aug 19, 2024 at 2:56 PM Ira Weiny <ira.weiny@...el.com> wrote:
> >
> > Philip Chen wrote:
> > > If a pmem device is in a bad status, the driver side could wait for
> > > host ack forever in virtio_pmem_flush(), causing the system to hang.
> >
> > I assume this was supposed to be v2 and you resent this as a proper v2
> > with a change list from v1?
> Ah...yes, I'll fix it and re-send it as a v2 patch.

Wait didn't you already do that?  Wasn't this v2?

https://lore.kernel.org/all/20240815010337.2334245-1-philipchen@chromium.org/

Ira