From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Allain Legacy <allain.legacy@windriver.com>
Cc: maxime.coquelin@redhat.com, dev@dpdk.org,
matt.peters@windriver.com, stable@dpdk.org
Subject: Re: [dpdk-stable] [PATCH] net/virtio: disable LSC interrupt if MSIX not enabled
Date: Thu, 16 Mar 2017 16:17:10 +0800 [thread overview]
Message-ID: <20170316081710.GU18844@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <1489091282-195702-1-git-send-email-allain.legacy@windriver.com>
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>
parent reply other threads:[~2017-03-16 8:18 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <1489091282-195702-1-git-send-email-allain.legacy@windriver.com>]
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