Tue, Apr 10, 2018 at 11:26:08PM CEST, step...@networkplumber.org wrote:
>On Tue, 10 Apr 2018 11:59:50 -0700
>Sridhar Samudrala <sridhar.samudr...@intel.com> wrote:
>
>> Use the registration/notification framework supported by the generic
>> bypass infrastructure.
>>
>> Signed-off-by: Sridhar Samudrala <sridhar.samudr...@intel.com>
>> ---
>
>Thanks for doing this. Your current version has couple show stopper
>issues.
>
>First, the slave device is instantly taking over the slave.
>This doesn't allow udev/systemd to do its device rename of the slave
>device. Netvsc uses a delayed work to workaround this.
Wait. Why the fact a device is enslaved has to affect the udev in any
way? If it does, smells like a bug in udev.
>
>Secondly, the select queue needs to call queue selection in VF.
>The bonding/teaming logic doesn't work well for UDP flows.
>Commit b3bf5666a510 ("hv_netvsc: defer queue selection to VF")
>fixed this performance problem.
>
>Lastly, more indirection is bad in current climate.
>
>I am not completely adverse to this but it needs to be fast, simple
>and completely transparent.
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