[dpdk-dev] [PATCH] vdpa/mlx5: fix event setup

Thomas Monjalon thomas at monjalon.net
Tue Feb 25 10:46:53 CET 2020


25/02/2020 09:43, Matan Azrad:
> The completion event mechanism should work only if at least one of the
> virtqs has valid callfd to be notified on.
> 
> When all the virtqs works with poll mode, the event mechanism should not
> be configured.
> 
> The driver didn't take it into account and crashed in the above case.
> 
> Do not configure event interrupt when all the virtqs are in poll mode.
> 
> Fixes: 8395927cdfaf ("vdpa/mlx5: prepare HW queues")
> 
> Signed-off-by: Matan Azrad <matan at mellanox.com>

Applied, thanks
Note: there is no regression risk because it is fixing a new driver.





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