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From: Maxim Levitsky <mlevitsk@redhat.com>
To: Keith Busch <kbusch@kernel.org>
Cc: Fam Zheng <fam@euphon.net>,
	kvm@vger.kernel.org, Wolfram Sang <wsa@the-dreams.de>,
	linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
	Keith Busch <keith.busch@intel.com>,
	Kirti Wankhede <kwankhede@nvidia.com>,
	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
	"Paul E . McKenney" <paulmck@linux.ibm.com>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	Liang Cunming <cunming.liang@intel.com>,
	Jens Axboe <axboe@fb.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	John Ferlan <jferlan@redhat.com>,
	Liu Changpeng <changpeng.liu@intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Heitke, Kenneth" <kenneth.heitke@intel.com>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Amnon Ilan <ailan@redhat.com>,
	"David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH v2 08/10] nvme/pci: implement the mdev external queue allocation interface
Date: Mon, 06 May 2019 10:55:19 +0300	[thread overview]
Message-ID: <599086a07da9943e1748d5608357ebc85b2330db.camel@redhat.com> (raw)
In-Reply-To: <20190503120915.GA30013@localhost.localdomain>

On Fri, 2019-05-03 at 06:09 -0600, Keith Busch wrote:
> On Fri, May 03, 2019 at 12:20:17AM +0300, Maxim Levitsky wrote:
> > On Thu, 2019-05-02 at 15:12 -0600, Heitke, Kenneth wrote:
> > > On 5/2/2019 5:47 AM, Maxim Levitsky wrote:
> > > > +static void nvme_ext_queue_free(struct nvme_ctrl *ctrl, u16 qid)
> > > > +{
> > > > +	struct nvme_dev *dev = to_nvme_dev(ctrl);
> > > > +	struct nvme_queue *nvmeq;
> > > > +
> > > > +	mutex_lock(&dev->ext_dev_lock);
> > > > +	nvmeq = &dev->queues[qid];
> > > > +
> > > > +	if (WARN_ON(!test_bit(NVMEQ_EXTERNAL, &nvmeq->flags)))
> > > > +		return;
> > > 
> > > This condition is probably not expected to happen (since its a warning)
> > > but do you need to unlock the ext_dev_lock before returning?
> > 
> > This is true, I will fix this. This used to be BUG_ON, but due to
> > checkpatch.pl
> > complains I turned them all to WARN_ON, and missed this.
> 
> Gentle reminder to trim your replies to the relevant context. It's
> much easier to read when we don't need to scroll through hundreds of
> unnecessary lines.

I fully agree, sorry! Next time I will do this.
Best regards,
	Maxim Levitsky


  reply	other threads:[~2019-05-06  7:56 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-02 11:47 [PATCH v2 00/10] RFC: NVME MDEV Maxim Levitsky
2019-05-02 11:47 ` [PATCH v2 01/10] vfio/mdev: add notifier for map events Maxim Levitsky
2019-05-02 11:47 ` [PATCH v2 02/10] vfio/mdev: add .request callback Maxim Levitsky
2019-05-02 11:47 ` [PATCH v2 03/10] nvme/core: add some more values from the spec Maxim Levitsky
2019-05-02 11:47 ` [PATCH v2 04/10] nvme/core: add NVME_CTRL_SUSPENDED controller state Maxim Levitsky
2019-05-02 11:47 ` [PATCH v2 05/10] nvme/pci: use the NVME_CTRL_SUSPENDED state Maxim Levitsky
2019-05-02 11:47 ` [PATCH v2 06/10] nvme/core: add mdev interfaces Maxim Levitsky
2019-05-03 12:29   ` Christoph Hellwig
2019-05-03 19:00     ` Max Gurtovoy
2019-05-04  6:49       ` Christoph Hellwig
2019-05-06  8:31         ` Maxim Levitsky
2019-05-06  8:34           ` Maxim Levitsky
2019-05-06 12:59           ` Christoph Hellwig
2019-05-02 11:47 ` [PATCH v2 07/10] nvme/core: add nvme-mdev core driver Maxim Levitsky
2019-05-02 11:47 ` [PATCH v2 08/10] nvme/pci: implement the mdev external queue allocation interface Maxim Levitsky
2019-05-02 14:20   ` Maxim Levitsky
2019-05-02 21:12   ` Heitke, Kenneth
2019-05-02 21:20     ` Maxim Levitsky
2019-05-03 12:09       ` Keith Busch
2019-05-06  7:55         ` Maxim Levitsky [this message]
2019-05-02 11:48 ` [PATCH v2 09/10] nvme/mdev - Add inline performance measurments Maxim Levitsky
2019-05-02 11:48 ` [PATCH v2 10/10] nvme/mdev - generic block IO code Maxim Levitsky
2019-05-03 12:18 ` [PATCH v2 00/10] RFC: NVME MDEV Christoph Hellwig
2019-05-06  9:04   ` Maxim Levitsky
2019-05-06 12:57     ` Christoph Hellwig
2019-05-06 16:43       ` Keith Busch
2019-05-08 12:39       ` Paolo Bonzini
2019-05-09  9:12     ` Stefan Hajnoczi
2019-05-09 13:49       ` Keith Busch

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