On 09/04/09 09:52, H. Peter Anvin wrote: > On 09/04/2009 09:01 AM, Jeremy Fitzhardinge wrote: > >>>> >>>> >>> It's correct that it doesn't make any difference for access, only for load. >>> >>> >> Well, to be completely precise, restore. When returning to usermode, >> the "pop %seg" is slightly faster if you're restoring a null selector, >> which is typically the case for %fs as 32-bit usermode doesn't use it. >> >> > That's a segment load... Yeah, OK. J -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html