On Wed, Apr 08, 2015 at 02:32:19PM -0400, Waiman Long wrote: > For a virtual guest with the qspinlock patch, a simple unfair byte lock > will be used if PV spinlock is not configured in or the hypervisor > isn't either KVM or Xen. The byte lock works fine with small guest > of just a few vCPUs. On a much larger guest, however, byte lock can > have serious performance problem. Who cares? -- 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
