[openib-general] Re: [PATCH] roland-uverbs: possible race condition

[Michael S. Tsirkin]

Quoting r. Roland Dreier <roland at topspin.com>:
> Subject: Re: [PATCH] roland-uverbs: possible race condition
>
> Since there seems to be no analogous statement about INTx messages in
> the PCIe spec, there is no guarantee that an ISR will see all PMW
> transactions issued prior to the INTx message.
> 
> Thanks,
>   Roland

OK, so are we all in agreement now, that an empty eq, too, must
be re-armed in memfree mode when working in regular interrupt mode?

Please note how that has no extra cost, since as
my patch that started this thread does, you can arm all eqs in one
fell swoop, pre-computing the mask.


-- 
MST - Michael S. Tsirkin