Hi, On Wed, Oct 07, 2009 at 01:45:54PM -0400, Kyle McMartin wrote: > On Wed, Oct 07, 2009 at 07:34:58PM +0200, Andreas Mohr wrote: > > Still happening. > > IOW it must be somewhere inside the DIV_ROUND_CLOSEST macro or so. > > > > It's being a jerk and not realizing that RESOLUTION * DECAY is a power > of 2, so it can just do a shift... > > I don't recall if gcc 3 had these magic builtins, but if it does, > something like this might help since it's the u64 case that's > problematic. Uh... nope: In file included from kernel/sched.c:1818: kernel/sched_fair.c: In function `select_task_rq_fair': kernel/sched_fair.c:1366: implicit declaration of function `__builtin_popcountll' kernel/sched_fair.c:1366: implicit declaration of function `__builtin_ffsll' kernel/sched_fair.c:1366: warning: suggest parentheses around + or - inside shift kernel/sched.c: In function `update_sg_lb_stats': kernel/sched.c:3755: warning: suggest parentheses around + or - inside shift kernel/sched.c: In function `find_busiest_queue': kernel/sched.c:4050: warning: suggest parentheses around + or - inside shift make[1]: *** [kernel/sched.o] Error 1 make: *** [kernel] Error 2 Hmpf. Rather stuck now, ain'tcha, given that gcc 3.2.3 doesn't even have those? Thanks, Andreas Mohr -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
