lkml.org 
[lkml]   [2014]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:sched/core] ARM: topology: Use the new cpu_capacity interface
Commit-ID:  d3bfca1a7b028a57d648dbc0985492c6a4466ccf
Gitweb: http://git.kernel.org/tip/d3bfca1a7b028a57d648dbc0985492c6a4466ccf
Author: Vincent Guittot <vincent.guittot@linaro.org>
AuthorDate: Tue, 26 Aug 2014 13:06:48 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 19 Sep 2014 12:35:27 +0200

ARM: topology: Use the new cpu_capacity interface

Use the new arch_scale_cpu_capacity() scheduler facility in order to reflect
the original capacity of a CPU instead of arch_scale_freq_capacity() which is
more linked to a scaling of the capacity linked to the frequency.

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: preeti@linux.vnet.ibm.com
Cc: riel@redhat.com
Cc: Morten.Rasmussen@arm.com
Cc: efault@gmx.de
Cc: daniel.lezcano@linaro.org
Cc: dietmar.eggemann@arm.com
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Brown <broonie@linaro.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1409051215-16788-6-git-send-email-vincent.guittot@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/arm/kernel/topology.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index e35d880..89cfdd6 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -42,7 +42,7 @@
*/
static DEFINE_PER_CPU(unsigned long, cpu_scale);

-unsigned long arch_scale_freq_capacity(struct sched_domain *sd, int cpu)
+unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu)
{
return per_cpu(cpu_scale, cpu);
}
@@ -166,7 +166,7 @@ static void update_cpu_capacity(unsigned int cpu)
set_capacity_scale(cpu, cpu_capacity(cpu) / middle_capacity);

printk(KERN_INFO "CPU%u: update cpu_capacity %lu\n",
- cpu, arch_scale_freq_capacity(NULL, cpu));
+ cpu, arch_scale_cpu_capacity(NULL, cpu));
}

#else

\
 
 \ /
  Last update: 2014-09-19 14:21    [W:0.616 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site