linux-kernel - Re: [bug report from blktests nvme/032] WARNING: possible circular locking dependency detected

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Message-ID: <YrqdUpLVbLF7WNGs@infradead.org>
Date:   Mon, 27 Jun 2022 23:18:58 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        "yangx.jy@...itsu.com" <yangx.jy@...itsu.com>,
        Tejun Heo <tj@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Leon Romanovsky <leon@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>
Subject: Re: [bug report from blktests nvme/032] WARNING: possible circular
 locking dependency detected

On Tue, Jun 28, 2022 at 08:12:51AM +0200, Greg Kroah-Hartman wrote:
> Ah, so it's a fake PCI device, or is it a real one?

Whatever the blktests configuration points to.  But even if it is
"fake" that fake would come from the hypervisor.