On 02/01/2014 11:46 AM, Linus Torvalds wrote: > > .. which *does* actually bring up something that might work, and might > be a good idea: remove the "restore math state or set TS" from the > normal kernel paths *entirely*, and move it to the "return to user > space" phase. > The task switch code would have to be aware in case of preemption, though. The nice thing about *that* is that we could probably completely drop the notion that we can't preempt an FPU-using kernel task. -hpa -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html