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From: Christoph Hellwig <hch@lst.de>
To: Klaus Jensen <its@irrelevant.dk>
Cc: Niklas Cassel <Niklas.Cassel@wdc.com>,
	Christoph Hellwig <hch@lst.de>, Keith Busch <kbusch@kernel.org>,
	Sagi Grimberg <sagi@grimberg.me>,
	Luis Chamberlain <mcgrof@kernel.org>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Subject: Re: [PATCH 3/3] nvme-pci: disable namespace identifiers for Qemu controllers
Date: Wed, 13 Apr 2022 17:34:32 +0200	[thread overview]
Message-ID: <20220413153432.GA27146@lst.de> (raw)
In-Reply-To: <YlaMjz7SoctkLzYo@apples>

On Wed, Apr 13, 2022 at 10:40:47AM +0200, Klaus Jensen wrote:
> On Apr 13 07:34, Niklas Cassel wrote:
> > On Wed, Apr 13, 2022 at 06:49:05AM +0200, Christoph Hellwig wrote:
> > > Qemu unconditionally reports a UUID, which depending on the qemu version
> > 
> > Since it appears that both older and current QEMU versions are not
> > implementing this properly, perhaps you should also consider adding
> > the pci vendor and device id used by older QEMU versions?
> > 
> > QEMU nvme pci vendor and device id was changed in commit:
> > https://github.com/qemu/qemu/commit/6eb7a071292a2f11065127ac152fa24248806021
> > 
> > Which was first included in QEMU v5.2.0.
> > 
> 
> That is a good point Niklas. +1 for that. The driver already knows about
> that ID.

5.2.0 is also the first qemu that supports the namespace descriptor
list, that's why I didn't include it.


  reply	other threads:[~2022-04-13 15:34 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-13  4:49 quirk broken namespace identifiers v2 Christoph Hellwig
2022-04-13  4:49 ` [PATCH 1/3] nvme: add a quirk to disable namespace identifiers Christoph Hellwig
2022-04-13  4:49 ` [PATCH 2/3] nvme-pci: disable namespace identifiers for the MAXIO MAP1002/1202 Christoph Hellwig
2022-04-13  4:49 ` [PATCH 3/3] nvme-pci: disable namespace identifiers for Qemu controllers Christoph Hellwig
2022-04-13  7:34   ` Niklas Cassel
2022-04-13  8:40     ` Klaus Jensen
2022-04-13 15:34       ` Christoph Hellwig [this message]
2022-04-13 15:49         ` Klaus Jensen
2022-04-13 15:50           ` Christoph Hellwig
2022-04-13 20:08             ` Klaus Jensen
2022-04-13 20:38               ` Keith Busch
2022-04-14  4:19               ` Christoph Hellwig
2022-04-13 14:42 ` quirk broken namespace identifiers v2 Keith Busch
  -- strict thread matches above, loose matches on Subject: below --
2022-04-12  6:11 quirk broken namespace identifiers Christoph Hellwig
2022-04-12  6:11 ` [PATCH 3/3] nvme-pci: disable namespace identifiers for Qemu controllers Christoph Hellwig
2022-04-12  6:33   ` Klaus Jensen
2022-04-12 11:45     ` Christoph Hellwig
2022-04-12 20:43       ` Klaus Jensen
2022-04-12 10:25   ` Sagi Grimberg

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