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Via reading the code, my understanding is that powernow-k8 uses preempt_disable to ensure that driver->target doesn't migrate across cpus whilst it's accessing per processor registers, however set_cpus_allowed will provide this for us. Additionally, remove schedule() calls from set_cpus_allowed as set_cpus_allowed ensures that you're executing on the target processor on return. Signed-off-by: Zwane Mwaikambo <zwane@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dave Jones <davej@redhat.com> |
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|---|---|---|
| .. | ||
| acpi-cpufreq.c | ||
| cpufreq-nforce2.c | ||
| elanfreq.c | ||
| gx-suspmod.c | ||
| Kconfig | ||
| longhaul.c | ||
| longhaul.h | ||
| longrun.c | ||
| Makefile | ||
| p4-clockmod.c | ||
| powernow-k6.c | ||
| powernow-k7.c | ||
| powernow-k7.h | ||
| powernow-k8.c | ||
| powernow-k8.h | ||
| sc520_freq.c | ||
| speedstep-centrino.c | ||
| speedstep-est-common.h | ||
| speedstep-ich.c | ||
| speedstep-lib.c | ||
| speedstep-lib.h | ||
| speedstep-smi.c | ||