Messages in this thread Patch in this message | | | Date | Wed, 12 Nov 2008 18:15:55 -0500 | From | Mathieu Desnoyers <> | Subject | [patch 04/17] get_cycles() : powerpc64 HAVE_GET_CYCLES |
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This patch selects HAVE_GET_CYCLES and makes sure get_cycles_barrier() and get_cycles_rate() are implemented.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> CC: benh@kernel.crashing.org CC: paulus@samba.org CC: David Miller <davem@davemloft.net> CC: Linus Torvalds <torvalds@linux-foundation.org> CC: Andrew Morton <akpm@linux-foundation.org> CC: Ingo Molnar <mingo@redhat.com> CC: Peter Zijlstra <a.p.zijlstra@chello.nl> CC: Thomas Gleixner <tglx@linutronix.de> CC: Steven Rostedt <rostedt@goodmis.org> CC: linux-arch@vger.kernel.org --- arch/powerpc/Kconfig | 1 + arch/powerpc/include/asm/timex.h | 11 +++++++++++ 2 files changed, 12 insertions(+)
Index: linux.trees.git/arch/powerpc/Kconfig =================================================================== --- linux.trees.git.orig/arch/powerpc/Kconfig 2008-11-07 00:34:11.000000000 -0500 +++ linux.trees.git/arch/powerpc/Kconfig 2008-11-12 18:00:10.000000000 -0500 @@ -121,6 +121,7 @@ config PPC select HAVE_DMA_ATTRS if PPC64 select USE_GENERIC_SMP_HELPERS if SMP select HAVE_OPROFILE + select HAVE_GET_CYCLES if PPC64 config EARLY_PRINTK bool Index: linux.trees.git/arch/powerpc/include/asm/timex.h =================================================================== --- linux.trees.git.orig/arch/powerpc/include/asm/timex.h 2008-11-07 00:34:11.000000000 -0500 +++ linux.trees.git/arch/powerpc/include/asm/timex.h 2008-11-12 18:00:10.000000000 -0500 @@ -7,6 +7,7 @@ * PowerPC architecture timex specifications */ +#include <asm/time.h> #include <asm/cputable.h> #include <asm/reg.h> @@ -46,5 +47,15 @@ static inline cycles_t get_cycles(void) #endif } +static inline cycles_t get_cycles_rate(void) +{ + return tb_ticks_per_sec; +} + +static inline void get_cycles_barrier(void) +{ + isync(); +} + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_TIMEX_H */ -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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