Ben, thanks for the review. Both are valid.

I will send out a V2 soon that should address both points.

On Thu, May 29, 2014 at 2:02 PM, Ben Pfaff <b...@nicira.com> wrote:
> On Wed, May 28, 2014 at 05:00:48PM -0700, Andy Zhou wrote:
>> In case DP_HASH and RECIRC actions need to be executed in slow path,
>> current implementation simply don't handle them -- vswitchd simply
>> crashes. This patch fixes them by supply an implementation for them.
>>
>> RECIRC will be handled by the datapath, same as the output action.
>>
>> DP_HASH, on the other hand, is handled in the user space. Although the
>> resulting hash values may not match those computed by the datapath, it
>> is less expensive; current use case (bonding) does not require a strict
>> match to work properly.
>>
>> Reported-by: YAMAMOTO Takashi <yamam...@valinux.co.jp>
>> Signed-off-by: Andy Zhou <az...@nicira.com>
>
> I would adjust the comment in odp_execute_actions__() to match the
> changelog better, maybe:
>             /* Calculate a hash value directly.  This might not match the
>              * value computed by the datapath, but it is much less expensive,
>              * and the current use case (bonding) does not require a strict
>              * match to work properly. */
>
> Should we ovs_assert() that md->dp_hash is OVS_HASH_ALG_L4?
> Presumably we won't ever create an ODP action that uses a hash
> algorithm we don't implement, and if we do we ought to find out about
> it.
>
> Thanks,
>
> Ben.
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