On Thu, 2012-05-03 at 21:22 +0900, Takuya Yoshikawa wrote: > Although the real use case is out of this RFC patch, we are now discussing > a case in which we may hold a spin_lock for long time, ms order, depending > on workload; and in that case, other threads -- VCPU threads -- should be > given higher priority for that problematic lock. Firstly, if you can hold a lock that long, it shouldn't be a spinlock, secondly why isn't TIF_RESCHED being set if its running that long? That should still make cond_resched_lock() break. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
