On Fri, Jan 18, 2013 at 05:54:27PM +0530, Vineet Gupta wrote: > + ; --- (Slow Path #3) notify_resume --- > +.Lchk_notify_resume: > + btst r9, TIF_NOTIFY_RESUME > + blnz @do_notify_resume > + b resume_user_mode_begin ; unconditionally back to U mode ret chks > + ; for single exit point from this block Umm... Can we even get there without NOTIFY_RESUME? Again, there's future-proofing and there's laying minefields - think what will happen if we *do* get there with some bit in _TIF_WORK_MASK that isn't recognized by any of these cases. Looping forever? -- 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