Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-11 13:41:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

ARM: topology: Use the new cpu_capacity interface

Browse Source 
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>
This commit is contained in:
Vincent Guittot 2014-08-26 13:06:48 +02:00 committed by Ingo Molnar
parent 26bc3c50d3
commit d3bfca1a7b
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/kernel/topology.c
View File

@ -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