On Wednesday 07 October 2009, John Kacur wrote: > > I've been staring at the BKL lock in cpuid_open, and I can't see what it > is protecting. However, I may have missed something - even something > obvious, so comments are welcome. > Hi John, In general, the lock_kernel() calls in any chardev open() file operation are the result of the BKL pushdown by Jon Corbet and others, which has happened some time last year[1]. I'd assume that the vast majority is not needed at all, so these are an easy target for removal. Arnd [1] http://lkml.indiana.edu/hypermail/linux/kernel/0805.2/0257.html -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
