[dpdk-dev] [PATCH v2] vhost: avoid iotlb mempool allocation while IOMMU disabled

[David Marchand]

On Wed, Apr 7, 2021 at 9:10 AM Xia, Chenbo <chenbo.xia at intel.com> wrote:
>
> > -----Original Message-----
> > From: Wan Junjie <wanjunjie at bytedance.com>
> > Sent: Tuesday, February 2, 2021 4:15 PM
> > To: Xia, Chenbo <chenbo.xia at intel.com>; Maxime Coquelin
> > <maxime.coquelin at redhat.com>
> > Cc: dev at dpdk.org; Wan Junjie <wanjunjie at bytedance.com>; Peng He
> > <hepeng.0320 at bytedance.com>; Zhihong Wang <wangzhihong.wzh at bytedance.com>
> > Subject: [PATCH v2] vhost: avoid iotlb mempool allocation while IOMMU disabled
> >
> > If vhost device's IOMMU feature is disabled, iotlb mempool allocation
> > is unnecessary.
> >
> > Reported-by: Peng He <hepeng.0320 at bytedance.com>
> > Signed-off-by: Wan Junjie <wanjunjie at bytedance.com>
> > Reviewed-by: Zhihong Wang <wangzhihong.wzh at bytedance.com>
> > ---
> > 2.11.0
>
> Patch applied to next-virtio/main with conflict resolved, Thanks

This patch triggered a regression reported by Red Hat QE.
https://bugs.dpdk.org/show_bug.cgi?id=703

Reverting the patch is enough to fix the regression.

I'll let you guys decide on the next step for 21.05.


-- 
David Marchand