From 422037bafde8083acc3c539ceba3dfc60a04110c Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 23 Jul 2008 11:16:38 +0200 Subject: sched: fix hrtick & generic-ipi dependency Andrew Morton reported this s390 allmodconfig build failure: kernel/built-in.o: In function `hrtick_start_fair': sched.c:(.text+0x69c6): undefined reference to `__smp_call_function_single' the reason is that s390 is not a generic-ipi SMP platform yet, while the hrtick code relies on it. Fix the dependency. Signed-off-by: Ingo Molnar --- kernel/Kconfig.hz | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel') diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz index 2a202a84675..382dd5a8b2d 100644 --- a/kernel/Kconfig.hz +++ b/kernel/Kconfig.hz @@ -55,4 +55,4 @@ config HZ default 1000 if HZ_1000 config SCHED_HRTICK - def_bool HIGH_RES_TIMERS + def_bool HIGH_RES_TIMERS && USE_GENERIC_SMP_HELPERS -- cgit v1.2.3 From 58838cf3ca3337d76141c33d6c68376490263468 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 24 Jul 2008 12:43:13 +0200 Subject: sched: clean up compiler warning Reported-by: Daniel Walker Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/sched_rt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel') diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index 147004c651c..93ac8ee0827 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -253,7 +253,7 @@ static int do_balance_runtime(struct rt_rq *rt_rq) diff = iter->rt_runtime - iter->rt_time; if (diff > 0) { - do_div(diff, weight); + diff = div_u64((u64)diff, weight); if (rt_rq->rt_runtime + diff > rt_period) diff = rt_period - rt_rq->rt_runtime; iter->rt_runtime -= diff; -- cgit v1.2.3