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sh: Generic HAVE_PERF_COUNTER support.

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This enables support for the generic software-based perf counters.

Hardware counter support could be added in the future, but the lack
of a performance counter IRQ makes this rather dubious.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-06-17 16:34:45 +09:00
parent f01789c688
commit 9c93e59697
2 changed files with 8 additions and 0 deletions
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1
arch/sh/Kconfig
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@ -15,6 +15,7 @@ config SUPERH
select HAVE_IOREMAP_PROT if MMU
select HAVE_ARCH_TRACEHOOK
select HAVE_DMA_API_DEBUG
select HAVE_PERF_COUNTER
select RTC_LIB
select GENERIC_ATOMIC64
help

7
arch/sh/include/asm/perf_counter.h Normal file
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@ -0,0 +1,7 @@
#ifndef __ASM_SH_PERF_COUNTER_H
#define __ASM_SH_PERF_COUNTER_H
/* SH only supports software counters through this interface. */
#define set_perf_counter_pending() do { } while (0)
#endif /* __ASM_SH_PERF_COUNTER_H */