On 03/20/2015 02:38 AM, Waiman Long wrote:
On 03/19/2015 06:01 AM, Peter Zijlstra wrote:
[...]
You are probably right. The initial apply_paravirt() was done before the SMP boot. Subsequent ones were at kernel module load time. I put a counter in the __native_queue_spin_unlock() and it registered 26949 unlock calls in a 16-cpu guest before it got patched out.
because even printks take lock.. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
