Messages in this thread Patch in this message | | | From | James Hogan <> | Subject | [PATCH 6/9] metag: perf: use hard_processor_id() to get thread | Date | Fri, 15 Mar 2013 13:43:45 +0000 |
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Use hard_processor_id() to get the current thread number rather than get_cpu() and the hardware thread mapping. There was no matching put_cpu(), and in any case this should be slightly more efficient.
Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> --- arch/metag/kernel/perf/perf_event.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/metag/kernel/perf/perf_event.c b/arch/metag/kernel/perf/perf_event.c index 6210126..54fde35 100644 --- a/arch/metag/kernel/perf/perf_event.c +++ b/arch/metag/kernel/perf/perf_event.c @@ -22,9 +22,9 @@ #include <linux/slab.h> #include <asm/core_reg.h> -#include <asm/hwthread.h> #include <asm/io.h> #include <asm/irq.h> +#include <asm/processor.h> #include "perf_event.h" @@ -651,7 +651,7 @@ static void metag_pmu_enable_counter(struct hw_perf_event *event, int idx) } tmp = ((config & 0xf) << 28) | - ((1 << 24) << cpu_2_hwthread_id[get_cpu()]); + ((1 << 24) << hard_processor_id()); if (metag_pmu->max_period) /* * Cores supporting overflow interrupts may have had the counter -- 1.8.1.2
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