On Wed, Aug 14, 2013 at 06:55:05PM +0200, Peter Zijlstra wrote: > On Wed, Aug 14, 2013 at 09:48:27AM -0700, Andi Kleen wrote: > > > FWIW I removed the user_schedule in v2 because I don't need it anymore. > > Feel free to pick it up from v1 though. > > Ah, I had a quick look through your v2 because I got a link into it from > Ingo but didn't find it. I'll have to ask Google to locate this v1. I Sorry, it's the thread starting with http://permalink.gmane.org/gmane.linux.kernel/1541950 I also pushed the branch to git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git uaccess-opt311 is v1 uaccess-opt311-2 is v2 (without user_schedule) > suppose that's what's wrong with my last patch. It directly does a call > preempt_schedule -- which I had hoped would work due to its asmlinkage, > but apparently there's more to it. preempt_schedule does not preserve registers, so yes that would explain a lot of problems. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only -- 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
