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From: Alex Williamson <alex.williamson@redhat.com>
To: Peter Xu <peterx@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	qemu-devel@nongnu.org, eric.auger@redhat.com, aik@ozlabs.ru
Subject: Re: [Qemu-devel] [PATCH 3/3] vfio/pci: Add ioeventfd support
Date: Thu, 15 Mar 2018 15:12:33 -0600	[thread overview]
Message-ID: <20180315151233.2460c612@w520.home> (raw)
In-Reply-To: <20180307055644.GI17720@xz-mi>

On Wed, 7 Mar 2018 13:56:44 +0800
Peter Xu <peterx@redhat.com> wrote:

> On Wed, Feb 28, 2018 at 01:15:20PM -0700, Alex Williamson wrote:
> 
> [...]
> 
> > @@ -1174,6 +1206,8 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
> >  	vdev->irq_type = VFIO_PCI_NUM_IRQS;
> >  	mutex_init(&vdev->igate);
> >  	spin_lock_init(&vdev->irqlock);
> > +	mutex_init(&vdev->ioeventfds_lock);  
> 
> Do we better need to destroy the mutex in vfio_pci_remove?
> 
> I see that vfio_pci_device.igate is also without a destructor.  I'm
> not sure on both.

Yeah, mutex_destroy() is purely for debugging and I must have missed it
when implementing vfio.  I'll add it in the remove function and try to
cleanup the others in a separate patch, at some point.  Thanks,

Alex

  reply	other threads:[~2018-03-15 21:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-28 20:14 [Qemu-devel] [PATCH 0/3] vfio/pci: ioeventfd support Alex Williamson
2018-02-28 20:14 ` [Qemu-devel] [PATCH 1/3] vfio/pci: Pull BAR mapping setup from read-write path Alex Williamson
2018-03-07  7:11   ` Peter Xu
2018-03-13 12:21   ` Auger Eric
2018-02-28 20:14 ` [Qemu-devel] [PATCH 2/3] vfio/pci: Use endian neutral helpers Alex Williamson
2018-02-28 20:15 ` [Qemu-devel] [PATCH 3/3] vfio/pci: Add ioeventfd support Alex Williamson
2018-03-06  6:54   ` kbuild test robot
2018-03-07  5:56   ` Peter Xu
2018-03-15 21:12     ` Alex Williamson [this message]
2018-03-13 13:12   ` Auger Eric
2018-03-15 21:07     ` Alex Williamson
2018-03-02  7:08 ` [Qemu-devel] [PATCH 0/3] vfio/pci: " Tian, Kevin
2018-03-02 18:02   ` Alex Williamson
2018-03-03  0:43     ` Tian, Kevin

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