On Sep 8, 2014, at 1:09 PM, Daniele Di Proietto wrote:
> Hi Jarno,
>
> Thanks for figuring out this bug.
> I erroneously thought that since commit 623540e4617e (dpif-netdev:
> Streamline miss handling.) dpif_netdev_execute() could not be called
> anymore inside a dp_netdev_input() frame.
>
>
Hi Jarno,
Thanks for figuring out this bug.
I erroneously thought that since commit 623540e4617e (dpif-netdev:
Streamline miss handling.) dpif_netdev_execute() could not be called
anymore inside a dp_netdev_input() frame.
I added the exact match cache on the non pmd-thread path for two reasons:
dpif_netdev_execute may be called while doing upcall processing.
Since the context of the input port is not tracked upto this point, we
used the chared dp->emc_cache for packet execution. Execution needs
to be able to pass the cache to recirculation code.
Typically the pmd threads use their own e
