netdev - Re: Realtek 8139 problem on 486.

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Date:   Wed, 09 Jun 2021 01:07:41 +0300
From:   Nikolai Zhubr <zhubr.2@...il.com>
To:     Arnd Bergmann <arnd@...nel.org>
CC:     netdev <netdev@...r.kernel.org>
Subject: Re: Realtek 8139 problem on 486.

08.06.2021 23:45, Arnd Bergmann:
> The idea was that all non-rx events that were pending at the start of the
> function have been Acked at this point, by writing to the IntrMask
> register before processing the particular event. If the same kind of event
> arrives after the Ack, then opening in the mask should immediately trigger
> the interrupt handler, which reactivates the poll function.

Ok, it works, indeed. The overall bitrate seems lower somewhat.
I'll re-test and benchmark some few variants (e.g. with and without busy 
loop) and report my findings.

Thank you,

Regards,
Nikolai