From: Chris Wright <chrisw@redhat.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: pugs@ieee.org, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org, qemu-devel@nongnu.org,
chrisw@redhat.com, aafabbri@cisco.com, dwang2@cisco.com,
benve@cisco.com
Subject: Re: [PATCH] vfio: Add an ioctl to reset the device
Date: Tue, 19 Apr 2011 15:07:43 -0700 [thread overview]
Message-ID: <20110419220743.GO12133@x200.localdomain> (raw)
In-Reply-To: <20110419203234.4254.94914.stgit@s20.home>
* Alex Williamson (alex.williamson@redhat.com) wrote:
> When using VFIO to assign a device to a guest, we want to make sure
> the device is quiesced on VM reset to stop all DMA within the guest
> mapped memory. Add an ioctl which just calls pci_reset_function()
> and returns whether it succeeds.
Shouldn't there be a reset when binding/unbinding vfio to/from a pci
device?
next prev parent reply other threads:[~2011-04-19 22:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-19 20:32 Alex Williamson
2011-04-19 21:40 ` Randy Dunlap
2011-04-19 21:43 ` Chris Wright
2011-04-19 22:07 ` Chris Wright [this message]
2011-04-19 22:22 ` Alex Williamson
2011-04-19 22:26 ` Chris Wright
2011-04-19 22:30 ` Alex Williamson
2011-04-19 22:37 ` Chris Wright
2011-04-19 23:23 ` Tom Lyon
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