On Tuesday 17 April 2007, Ingo Molnar wrote: >* Ingo Molnar <[EMAIL PROTECTED]> wrote: >> ok - fortunately the delta between -v2-rc0 and -v2-final is pretty >> small. One difference is the child-runs-first fix. To restore the >> parent-runs-first logic, do this: >> >> echo 0 > /proc/sys/kernel/sched_child_runs_first >> >> does this make any difference? > >ok, i've got something better to test: i separated the delta out into a >more finegrained stack of 3 patches. You can pick them up from: > > http://redhat.com/~mingo/cfs-scheduler/older/sched-cfs-v2-rc0.patch > http://redhat.com/~mingo/cfs-scheduler/older/sched-cfs-v2-rc0-preempt-fix.p >atch > http://redhat.com/~mingo/cfs-scheduler/older/sched-cfs-v2-rc0-child-runs-fi >rst.patch > http://redhat.com/~mingo/cfs-scheduler/older/sched-cfs-v2-rc0-misc.patch > Got them all saved Ingo, but it will be late tomorrow before I can play again.
>i test-built and test-booted all 4 steps of this. The baseline -v2-rc0 >patch should be the one that works - you might want to double-check it, >just to be sure. One of the other 3 patches ontop of this baseline >causes the regression on your desktop. My current bet is on preempt-fix, >so i have put that one first. The other one would be the second patch, >child-runs-first. The misc patch should have no effect on behavior - but >i've included it for completeness. (and i was wrong about the 'nice >fix', it is not in this delta) > > Ingo -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) This life is yours. Some of it was given to you; the rest, you made yourself. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
