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Date:	Fri, 25 Jul 2014 21:37:19 -0700
From:	John Stultz <>
Cc:	John Stultz <>,
	Stephen Rothwell <>,
	Thomas Gleixner <>,
	Ingo Molnar <>, "H. Peter Anvin" <>,
	Peter Zijlstra <>
Subject: [PATCH] timekeeping: Fixup typo in update_vsyscall_old definition

In commit 4a0e637738f0 ("clocksource: Get rid of cycle_last"),
currently in the -tip tree, there was a small typo where cycles_t
was used intstead of cycle_t. This broke ppc64 builds.

Fix this by using the proper cycle_t type for this usage, in
both the definition and the ia64 implementation.

Now, having both cycle_t and cycles_t types seems like a very
bad idea just asking for these sorts of issues. But that
will be a cleanup for another day.

Cc: Stephen Rothwell <>
Cc: Thomas Gleixner <>
Cc: Ingo Molnar <>
Cc: "H. Peter Anvin" <>
Cc: Peter Zijlstra <>
Reported-by: Stephen Rothwell <>
Signed-off-by: John Stultz <>

Note: This should be visibly correct, and I've test built on ppc64,
but I don't have an ia64 toolchain, so if anyone could give this a
build whirl on ia64, I'd appreciate it.

 arch/ia64/kernel/time.c             | 2 +-
 include/linux/timekeeper_internal.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 11dc42d..3e71ef8 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -441,7 +441,7 @@ void update_vsyscall_tz(void)
 void update_vsyscall_old(struct timespec *wall, struct timespec *wtm,
-			 struct clocksource *c, u32 mult, cycles_t cycle_last)
+			 struct clocksource *c, u32 mult, cycle_t cycle_last)
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h
index e9660e5..95640dc 100644
--- a/include/linux/timekeeper_internal.h
+++ b/include/linux/timekeeper_internal.h
@@ -113,7 +113,7 @@ extern void update_vsyscall_tz(void);
 extern void update_vsyscall_old(struct timespec *ts, struct timespec *wtm,
 				struct clocksource *c, u32 mult,
-				cycles_t cycle_last);
+				cycle_t cycle_last);
 extern void update_vsyscall_tz(void);

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