[PATCH] Keep a shadow copy of HFA384X_INTEN_OFF

Jouni Malinen jkmaline
Mon May 19 06:33:28 PDT 2003


On Mon, May 19, 2003 at 10:17:38AM +0300, Denis Vlasenko wrote:

> This patch against today's CVS keeps a shadow copy
> of last value written to HFA384X_INTEN register,
> replacing expensive INWs with main memory fetches.
> 
> Compile tested.

Did you solve the race condition that I fixed by more or less the exact
reverse of this patch? local->event_mask used to be a shadow copy of
IntEn, but it had a race condition and would have needed heave locking
to fix it.. Removing the shadow copy was the easiest way of getting rid
of that issue.

-- 
Jouni Malinen                                            PGP id EFC895FA




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