From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: Linus Torvalds <torvalds@linux-foundation.org>,
akpm@linux-foundation.org, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Steven Rostedt <rostedt@goodmis.org>,
linux-kernel@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
benh@kernel.crashing.org, paulus@samba.org,
David Miller <davem@davemloft.net>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arch@vger.kernel.org
Subject: [patch 04/17] get_cycles() : powerpc64 HAVE_GET_CYCLES
Date: Wed, 12 Nov 2008 18:15:55 -0500 [thread overview]
Message-ID: <20081112232258.879525496@polymtl.ca> (raw)
In-Reply-To: 20081112231551.473569400@polymtl.ca
[-- Attachment #1: get-cycles-powerpc-have-get-cycles.patch --]
[-- Type: text/plain, Size: 1977 bytes --]
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
next prev parent reply other threads:[~2008-11-12 23:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20081112231551.473569400@polymtl.ca>
2008-11-12 23:15 ` [patch 01/17] get_cycles() : kconfig HAVE_GET_CYCLES Mathieu Desnoyers
2008-11-12 23:15 ` [patch 02/17] get_cycles() : x86 HAVE_GET_CYCLES Mathieu Desnoyers
2008-11-13 7:15 ` Geert Uytterhoeven
2008-11-13 13:34 ` Mathieu Desnoyers
2008-11-12 23:15 ` [patch 03/17] get_cycles() : sparc64 HAVE_GET_CYCLES Mathieu Desnoyers
2008-11-12 23:15 ` Mathieu Desnoyers [this message]
2008-11-12 23:15 ` [patch 05/17] get_cycles() : MIPS HAVE_GET_CYCLES_32 Mathieu Desnoyers
2008-11-12 23:15 ` [patch 06/17] Trace clock core Mathieu Desnoyers
2008-11-12 23:15 ` [patch 07/17] Trace clock generic Mathieu Desnoyers
2008-11-12 23:15 ` [patch 08/17] Powerpc : Trace clock Mathieu Desnoyers
2008-11-12 23:16 ` [patch 09/17] Sparc64 " Mathieu Desnoyers
[not found] <20081126124246.800751190@polymtl.ca>
2008-11-26 12:42 ` [patch 04/17] get_cycles() : powerpc64 HAVE_GET_CYCLES Mathieu Desnoyers
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