Roman Kagan rkagan at mail.ru
Fri Apr 1 12:13:10 EST 2005

On Fri, Apr 01, 2005 at 04:24:28PM +0200, Duncan Sands wrote:
> Hi Roman, what is this wmb for?
>         INIT_WORK(&instance->poll_work, (void *)cxacru_poll_status, instance);
>         wmb();
>         usbatm_instance->driver_data = instance;

I thought this way I made sure that instance is fully initialized before
it might be used.  But I'm so dumb when it comes to barriers that I'd
better ask someone with a clue when I should and when I shouldn't use


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