* Re: [dpdk-stable] [PATCH] net/virtio: disable LSC interrupt if MSIX not enabled
[not found] <1489091282-195702-1-git-send-email-allain.legacy@windriver.com>
@ 2017-03-16 8:17 ` Yuanhan Liu
0 siblings, 0 replies; only message in thread
From: Yuanhan Liu @ 2017-03-16 8:17 UTC (permalink / raw)
To: Allain Legacy; +Cc: maxime.coquelin, dev, matt.peters, stable
On Thu, Mar 09, 2017 at 03:28:02PM -0500, Allain Legacy wrote:
> From: Matt Peters <matt.peters@windriver.com>
>
> The link state change interrupt can only be configured if the virtio device
> supports MSIX. Prior to this change the writing of the vector to the PCI
> config space was causing it to overwrite the initial part of the MAC
> address since the MSIX vector is not in the config space and is occupied by
> the MAC address.
>
> This has been reproduced in Virtual Box (v5.0.30.r112061) in Windows 7
>
Fixes: 954ea11540b6 ("virtio: do not report link state feature unless available")
Cc: stable@dpdk.org
Applied to dpdk-next-virtio. Thanks!
--yliu
> Signed-off-by: Matt Peters <matt.peters@windriver.com>
> Signed-off-by: Allain Legacy <allain.legacy@windriver.com>
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2017-03-16 8:18 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <1489091282-195702-1-git-send-email-allain.legacy@windriver.com>
2017-03-16 8:17 ` [dpdk-stable] [PATCH] net/virtio: disable LSC interrupt if MSIX not enabled Yuanhan Liu
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).