[dpdk-dev] [PATCH] vhost: protect log addr translation in iotlb updates
maxime.coquelin at redhat.com
Thu Feb 13 17:27:07 CET 2020
On 2/13/20 5:18 PM, Maxime Coquelin wrote:
> On 2/13/20 11:04 AM, Adrian Moreno wrote:
>> Currently, the log address translation only happens in the vhost-user's
>> translate_ring_addresses(). However, the IOTLB update handler is not
>> checking if it was mapped to re-trigger that translation.
>> Since the log address mapping could fail, check it on iotlb updates.
>> Also, check it on vring_translate() so we do not dirty pages if the
>> logging address is not yet ready.
>> Additionally, properly protect the accesses to the iotlb structures.
>> Fixes: 657414f3788a ("vhost: protect log addr translation in iotlb updates")
>> Cc: stable at dpdk.org
>> Signed-off-by: Adrian Moreno <amorenoz at redhat.com>
>> lib/librte_vhost/vhost.c | 55 +++++++++++++++++++++++++++++++++
>> lib/librte_vhost/vhost.h | 15 +++++++--
>> lib/librte_vhost/vhost_user.c | 57 +++++++++++++++--------------------
>> 3 files changed, 92 insertions(+), 35 deletions(-)
> Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
> I will fix the fixline while applying.
Applied to dpdk-next-virtio/master
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