From: David Howells <dhowells@xxxxxxxxxx> Date: Mon, 02 Sep 2013 22:35:06 +0100 > Would it be possible to use __thread annotations for per-CPU > variables, I wonder? Paul Mackerras tried it on powerpc and you can't do it. The problem is that there is no way to tell the compiler that sched() and similar (potentially) change the thread pointer base. It really will cache pre-computed __thread pointer calculations across sched(). -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
