Messages in this thread Patch in this message | | | From | Juri Lelli <> | Subject | [RFC PATCH 1/8] ARM: initialize cpu_scale to its default | Date | Mon, 23 Nov 2015 14:28:34 +0000 |
| |
Instead of looping through all cpus calling set_capacity_scale, we can initialise cpu_scale per-cpu variables to SCHED_CAPACITY_SCALE with their definition.
Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Juri Lelli <juri.lelli@arm.com> --- arch/arm/kernel/topology.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index 08b7847..ec279d1 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -40,7 +40,7 @@ * to run the rebalance_domains for all idle cores and the cpu_capacity can be * updated during this sequence. */ -static DEFINE_PER_CPU(unsigned long, cpu_scale); +static DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE; unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu) { @@ -306,8 +306,6 @@ void __init init_cpu_topology(void) cpu_topo->socket_id = -1; cpumask_clear(&cpu_topo->core_sibling); cpumask_clear(&cpu_topo->thread_sibling); - - set_capacity_scale(cpu, SCHED_CAPACITY_SCALE); } smp_wmb(); -- 2.2.2
| |