From: David Miller <davem@davemloft.net>
To: jon.mason@exar.com
Cc: netdev@vger.kernel.org, sivakumar.subramani@exar.com,
sreenivasa.honnur@exar.com, ram.vepa@exar.com
Subject: Re: [PATCH 2/7] vxge: fix crash of VF when unloading PF
Date: Fri, 10 Dec 2010 16:08:58 -0800 (PST) [thread overview]
Message-ID: <20101210.160858.212411633.davem@davemloft.net> (raw)
In-Reply-To: <1292025782-16372-2-git-send-email-jon.mason@exar.com>
From: Jon Mason <jon.mason@exar.com>
Date: Fri, 10 Dec 2010 18:02:57 -0600
> Calling pci_disable_sriov when unloading a SR-IOV physical function
> driver from a host when a guest is using a virtual function from that
> device can cause a host crash or VM crash. The crash is caused by the
> virtual config space no longer being present when PF is removed (due to
> the pci_disable_sriov). This can be avoided by not calling
> pci_disable_sriov to disable the PCI space when shutting down the PF.
> Each function in the X3100 operates independently and in this case will
> operate properly in the absence of the PF.
>
> Also, added improved logic in the detection of SR-IOV initialization.
>
> Signed-off-by: Jon Mason <jon.mason@exar.com>
> Signed-off-by: Ram Vepa <ram.vepa@exar.com>
Applied.
next prev parent reply other threads:[~2010-12-11 0:08 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-11 0:02 [PATCH 1/7] vxge: code cleanup and reorganization Jon Mason
2010-12-11 0:02 ` [PATCH 2/7] vxge: fix crash of VF when unloading PF Jon Mason
2010-12-11 0:08 ` David Miller [this message]
2010-12-11 1:04 ` Chris Wright
2010-12-11 1:35 ` Ramkrishna Vepa
2010-12-11 0:02 ` [PATCH 3/7] vxge: use pci_request_region() Jon Mason
2010-12-11 0:09 ` David Miller
2010-12-11 0:02 ` [PATCH 4/7] vxge: transmit timeout deadlock Jon Mason
2010-12-11 0:09 ` David Miller
2010-12-11 0:03 ` [PATCH 5/7] vxge: hotplug stall Jon Mason
2010-12-11 0:09 ` David Miller
2010-12-11 0:03 ` [PATCH 6/7] vxge: independent interrupt moderation Jon Mason
2010-12-11 0:09 ` David Miller
2010-12-11 0:03 ` [PATCH 7/7] vxge: update driver version Jon Mason
2010-12-11 0:09 ` David Miller
2010-12-11 0:08 ` [PATCH 1/7] vxge: code cleanup and reorganization David Miller
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