linux-kernel - [tip:tracing/kmemtrace-v2] tracing, powerpc: fix powerpc tree and tracing tree interaction

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Date:	Fri, 3 Apr 2009 10:33:45 GMT
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulus@...ba.org, hpa@...or.com,
	mingo@...hat.com, benh@...nel.crashing.org,
	linuxppc-dev@...abs.org, srostedt@...hat.com, tglx@...utronix.de,
	sfr@...b.auug.org.au, mingo@...e.hu
Subject: [tip:tracing/kmemtrace-v2] tracing, powerpc: fix powerpc tree and tracing tree interaction

Commit-ID:  a095bdbb136f7bed96b7adf5aa1dd27bb2f839bf
Gitweb:     http://git.kernel.org/tip/a095bdbb136f7bed96b7adf5aa1dd27bb2f839bf
Author:     Stephen Rothwell <sfr@...b.auug.org.au>
AuthorDate: Fri, 27 Mar 2009 23:08:34 +1100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 2 Apr 2009 00:50:24 +0200

tracing, powerpc: fix powerpc tree and tracing tree interaction

Today's linux-next build (powerpc allyesconfig) failed like this:

arch/powerpc/kernel/ftrace.c: In function 'prepare_ftrace_return':
arch/powerpc/kernel/ftrace.c:612: warning: passing argument 3 of 'ftrace_push_return_trace' makes pointer from integer without a cast
arch/powerpc/kernel/ftrace.c:612: error: too many arguments to function 'ftrace_push_return_trace'

Caused by commit 5d1a03dc541dc6672e60e57249ed22f40654ca47
("function-graph: moved the timestamp from arch to generic code") from
the tracing tree which (removed an argument from
ftrace_push_return_trace()) interacting with commit
6794c78243bfda020ab184d6d578944f8e90d26c ("powerpc64: port of the
function graph tracer") from the powerpc tree.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Steven Rostedt <srostedt@...hat.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: <linuxppc-dev@...abs.org>
LKML-Reference: <20090327230834.93d0221d.sfr@...b.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/powerpc/kernel/ftrace.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 5b5d16b..5455943 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -557,7 +557,6 @@ extern void mod_return_to_handler(void);
 void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
 {
 	unsigned long old;
-	unsigned long long calltime;
 	int faulted;
 	struct ftrace_graph_ent trace;
 	unsigned long return_hooker = (unsigned long)&return_to_handler;
@@ -606,10 +605,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
 		return;
 	}
 
-	calltime = cpu_clock(raw_smp_processor_id());
-
-	if (ftrace_push_return_trace(old, calltime,
-				self_addr, &trace.depth) == -EBUSY) {
+	if (ftrace_push_return_trace(old, self_addr, &trace.depth) == -EBUSY) {
 		*parent = old;
 		return;
 	}
--
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