Hi! I don't want to press or annoy anybody, but may I ask what's the status of this patch[1]? On Thu, Jun 21, 2012 at 07:44:15PM +0200, schulz@xxxxxxxxxxx wrote: > Since most dvb ioctls wrap their real work with dvb_usercopy, the static mutex > used in dvb_usercopy effectively is a global lock for dvb ioctls. > Unfortunately, frontend ioctls can be blocked by the frontend thread for > several seconds; this leads to unacceptable lock contention. Mitigate that by > pushing the mutex from dvb_usercopy down to the individual, device specific > ioctls. On our systems, this patch has a great effect in terms of scalability when operating multiple DVB tuners. Is it going to be considered? Thanks, Nikolaus [1] http://patchwork.linuxtv.org/patch/12989/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
