On 08/28/2013 12:16 PM, Alan Stern wrote: > Russell, Peter, and Ingo: > > Can you folks enlighten us regarding this issue for some common > architectures? > On x86, IRET is a serializing instruction; it guarantees hard serialization of absolutely everything. I would expect architectures that have weak memory ordering to put appropriate barriers in the IRQ entry/exit code. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
