On Tue, 22 Sep 2009, tip-bot for Ingo Molnar wrote: > > ratelimit: Fix/allow use in atomic contexts > > I'd like to use printk_ratelimit() in NMI context, but it's not > robust right now due to spinlock usage in lib/ratelimit.c. If an > NMI is unlucky enough to hit just that spot we might lock up trying > to take the spinlock again. > > Fix that by using a trylock variant. If we contend on that lock we > can genuinely skip the message because the state is just being > accessed by another CPU (or by this CPU). Ack to both this and the patch leading up to it. Looks sane and simple. Linus -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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