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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mike Frysinger <vapier@gentoo.org>
Subject: [for-next][PATCH 25/32] Blackfin: ftrace: Remove check of obsolete variable function_trace_stop
Date: Sat, 19 Jul 2014 09:15:49 -0400	[thread overview]
Message-ID: <20140719131613.788425361@goodmis.org> (raw)
In-Reply-To: 20140719131524.009152325@goodmis.org

[-- Attachment #1: 0025-Blackfin-ftrace-Remove-check-of-obsolete-variable-fu.patch --]
[-- Type: text/plain, Size: 1996 bytes --]

From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>

Nothing sets function_trace_stop to disable function tracing anymore.
Remove the check for it in the arch code.

Link: http://lkml.kernel.org/r/3144266.ziutPk5CNZ@vapier

Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 arch/blackfin/Kconfig               |  1 -
 arch/blackfin/kernel/ftrace-entry.S | 18 ------------------
 2 files changed, 19 deletions(-)

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index f81e7b989fff..ed30699cc635 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -18,7 +18,6 @@ config BLACKFIN
 	select HAVE_FTRACE_MCOUNT_RECORD
 	select HAVE_FUNCTION_GRAPH_TRACER
 	select HAVE_FUNCTION_TRACER
-	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
 	select HAVE_IDE
 	select HAVE_KERNEL_GZIP if RAMKERNEL
 	select HAVE_KERNEL_BZIP2 if RAMKERNEL
diff --git a/arch/blackfin/kernel/ftrace-entry.S b/arch/blackfin/kernel/ftrace-entry.S
index 7eed00bbd26d..28d059540424 100644
--- a/arch/blackfin/kernel/ftrace-entry.S
+++ b/arch/blackfin/kernel/ftrace-entry.S
@@ -33,15 +33,6 @@ ENDPROC(__mcount)
  * function will be waiting there.  mmmm pie.
  */
 ENTRY(_ftrace_caller)
-# ifdef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST
-	/* optional micro optimization: return if stopped */
-	p1.l = _function_trace_stop;
-	p1.h = _function_trace_stop;
-	r3 = [p1];
-	cc = r3 == 0;
-	if ! cc jump _ftrace_stub (bp);
-# endif
-
 	/* save first/second/third function arg and the return register */
 	[--sp] = r2;
 	[--sp] = r0;
@@ -83,15 +74,6 @@ ENDPROC(_ftrace_caller)
 
 /* See documentation for _ftrace_caller */
 ENTRY(__mcount)
-# ifdef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST
-	/* optional micro optimization: return if stopped */
-	p1.l = _function_trace_stop;
-	p1.h = _function_trace_stop;
-	r3 = [p1];
-	cc = r3 == 0;
-	if ! cc jump _ftrace_stub (bp);
-# endif
-
 	/* save third function arg early so we can do testing below */
 	[--sp] = r2;
 
-- 
2.0.1



  parent reply	other threads:[~2014-07-19 13:16 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-19 13:15 [for-next][PATCH 00/32] ftrace/tracing: Fixes and final removal of ftrace_start/stop() Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 01/32] ftrace: Allow archs to specify if they need a separate function graph trampoline Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 02/32] ftrace/x86: Have function graph tracer use its own trampoline Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 03/32] x86, power, suspend: Annotate restore_processor_state() with notrace Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 04/32] PM / Sleep: Remove ftrace_stop/start() from suspend and hibernate Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 05/32] ftrace-graph: Remove dependency of ftrace_stop() from ftrace_graph_stop() Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 06/32] ftrace/x86: Add call to ftrace_graph_is_dead() in function graph code Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 07/32] microblaze: ftrace: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 08/32] MIPS: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 09/32] parisc: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 10/32] powerpc/ftrace: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 11/32] sh: ftrace: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 12/32] ftrace-graph: Remove usage of ftrace_stop() in ftrace_graph_stop() Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 13/32] ftrace: Remove ftrace_start/stop() Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 14/32] ftrace: Do no disable function tracing on enabling function tracing Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 15/32] ftrace: Remove function_trace_stop check from list func Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 16/32] ftrace: Remove check for HAVE_FUNCTION_TRACE_MCOUNT_TEST Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 17/32] ftrace: x86: Remove check of obsolete variable function_trace_stop Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 18/32] tile: ftrace: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 19/32] sparc64,ftrace: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 20/32] sh: ftrace: " Steven Rostedt
2014-07-21 11:05   ` Matt Fleming
2014-07-21 12:09     ` Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 21/32] parisc: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 22/32] MIPS: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 23/32] microblaze: " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 24/32] metag: " Steven Rostedt
2014-07-19 13:15 ` Steven Rostedt [this message]
2014-07-19 13:15 ` [for-next][PATCH 26/32] arm64, " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 27/32] s390/ftrace: remove " Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 28/32] tracing: Remove function_trace_stop and HAVE_FUNCTION_TRACE_MCOUNT_TEST Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 29/32] ring-buffer: Always run per-cpu ring buffer resize with schedule_work_on() Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 30/32] tracing: let user specify tracing_thresh after selecting function_graph Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 31/32] ftrace: Do not copy old hash when resetting Steven Rostedt
2014-07-19 13:15 ` [for-next][PATCH 32/32] tracing: Convert local function_graph functions to static Steven Rostedt

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