[dpdk-stable] [PATCH] vhost: fix vring memory partially mapped

[Maxime Coquelin]

On 9/6/19 2:50 PM, Adrian Moreno wrote:
> Only the mapping of the vring addresses is being ensured. This causes
> errors when the vring size is larger than the IOTLB page size. E.g:
> queue sizes > 256 for 4K IOTLB pages
> 
> Ensure the entire vring memory range gets mapped. Refactor duplicated
> code for for IOTLB UPDATE and IOTLB INVALIDATE and add packed virtqueue
> support.
> 
> Fixes: 09927b524969 ("vhost: translate ring addresses when IOMMU enabled")
> Cc: maxime.coquelin at redhat.com
> Cc: stable at dpdk.org
> 
> Signed-off-by: Adrian Moreno <amorenoz at redhat.com>
> ---
>  lib/librte_vhost/vhost_user.c | 64 +++++++++++++++++++++--------------
>  1 file changed, 39 insertions(+), 25 deletions(-)
> 


Thanks for the fix Adrian, it looks good to me:

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Maxime