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* [PATCH 1/2] sh: remove warning and warning_symbol from struct stacktrace_ops
@ 2011-05-12 13:11 Richard Weinberger
  2011-05-12 13:11 ` [PATCH 2/2] x86: " Richard Weinberger
  2011-05-23  5:45 ` [PATCH 1/2] sh: " Paul Mundt
  0 siblings, 2 replies; 3+ messages in thread
From: Richard Weinberger @ 2011-05-12 13:11 UTC (permalink / raw)
  To: linux-kernel
  Cc: linux-sh, oleg, akpm, ying.huang, ssp, namhyung, fweisbec, x86,
	hpa, tglx, robert.richter, lethal, Richard Weinberger

Both warning and warning_symbol are nowhere used.
Let's get rid of them.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
 arch/sh/include/asm/stacktrace.h |    3 ---
 arch/sh/kernel/dumpstack.c       |   15 ---------------
 arch/sh/kernel/perf_callchain.c  |   12 ------------
 arch/sh/kernel/stacktrace.c      |   13 -------------
 arch/sh/oprofile/backtrace.c     |   13 -------------
 5 files changed, 0 insertions(+), 56 deletions(-)

diff --git a/arch/sh/include/asm/stacktrace.h b/arch/sh/include/asm/stacktrace.h
index 7970182..a7e2d4d 100644
--- a/arch/sh/include/asm/stacktrace.h
+++ b/arch/sh/include/asm/stacktrace.h
@@ -10,9 +10,6 @@
 /* Generic stack tracer with callbacks */
 
 struct stacktrace_ops {
-	void (*warning)(void *data, char *msg);
-	/* msg must contain %s for the symbol */
-	void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
 	void (*address)(void *data, unsigned long address, int reliable);
 	/* On negative return stop dumping */
 	int (*stack)(void *data, char *name);
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
index 6f5ad15..694158b 100644
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -69,19 +69,6 @@ stack_reader_dump(struct task_struct *task, struct pt_regs *regs,
 	}
 }
 
-static void
-print_trace_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-	printk(data);
-	print_symbol(msg, symbol);
-	printk("\n");
-}
-
-static void print_trace_warning(void *data, char *msg)
-{
-	printk("%s%s\n", (char *)data, msg);
-}
-
 static int print_trace_stack(void *data, char *name)
 {
 	printk("%s <%s> ", (char *)data, name);
@@ -98,8 +85,6 @@ static void print_trace_address(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops print_trace_ops = {
-	.warning = print_trace_warning,
-	.warning_symbol = print_trace_warning_symbol,
 	.stack = print_trace_stack,
 	.address = print_trace_address,
 };
diff --git a/arch/sh/kernel/perf_callchain.c b/arch/sh/kernel/perf_callchain.c
index d5ca1ef..cc80b61 100644
--- a/arch/sh/kernel/perf_callchain.c
+++ b/arch/sh/kernel/perf_callchain.c
@@ -14,16 +14,6 @@
 #include <asm/unwinder.h>
 #include <asm/ptrace.h>
 
-
-static void callchain_warning(void *data, char *msg)
-{
-}
-
-static void
-callchain_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-}
-
 static int callchain_stack(void *data, char *name)
 {
 	return 0;
@@ -38,8 +28,6 @@ static void callchain_address(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops callchain_ops = {
-	.warning	= callchain_warning,
-	.warning_symbol	= callchain_warning_symbol,
 	.stack		= callchain_stack,
 	.address	= callchain_address,
 };
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index c2e45c4..bf989e0 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -17,15 +17,6 @@
 #include <asm/ptrace.h>
 #include <asm/stacktrace.h>
 
-static void save_stack_warning(void *data, char *msg)
-{
-}
-
-static void
-save_stack_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-}
-
 static int save_stack_stack(void *data, char *name)
 {
 	return 0;
@@ -51,8 +42,6 @@ static void save_stack_address(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops save_stack_ops = {
-	.warning = save_stack_warning,
-	.warning_symbol = save_stack_warning_symbol,
 	.stack = save_stack_stack,
 	.address = save_stack_address,
 };
@@ -88,8 +77,6 @@ save_stack_address_nosched(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops save_stack_ops_nosched = {
-	.warning = save_stack_warning,
-	.warning_symbol = save_stack_warning_symbol,
 	.stack = save_stack_stack,
 	.address = save_stack_address_nosched,
 };
diff --git a/arch/sh/oprofile/backtrace.c b/arch/sh/oprofile/backtrace.c
index 37f3a75..9c88dcd 100644
--- a/arch/sh/oprofile/backtrace.c
+++ b/arch/sh/oprofile/backtrace.c
@@ -23,17 +23,6 @@
 #include <asm/sections.h>
 #include <asm/stacktrace.h>
 
-static void backtrace_warning_symbol(void *data, char *msg,
-				     unsigned long symbol)
-{
-	/* Ignore warnings */
-}
-
-static void backtrace_warning(void *data, char *msg)
-{
-	/* Ignore warnings */
-}
-
 static int backtrace_stack(void *data, char *name)
 {
 	/* Yes, we want all stacks */
@@ -49,8 +38,6 @@ static void backtrace_address(void *data, unsigned long addr, int reliable)
 }
 
 static struct stacktrace_ops backtrace_ops = {
-	.warning = backtrace_warning,
-	.warning_symbol = backtrace_warning_symbol,
 	.stack = backtrace_stack,
 	.address = backtrace_address,
 };
-- 
1.7.4.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH 2/2] x86: remove warning and warning_symbol from struct stacktrace_ops
  2011-05-12 13:11 [PATCH 1/2] sh: remove warning and warning_symbol from struct stacktrace_ops Richard Weinberger
@ 2011-05-12 13:11 ` Richard Weinberger
  2011-05-23  5:45 ` [PATCH 1/2] sh: " Paul Mundt
  1 sibling, 0 replies; 3+ messages in thread
From: Richard Weinberger @ 2011-05-12 13:11 UTC (permalink / raw)
  To: linux-kernel
  Cc: linux-sh, oleg, akpm, ying.huang, ssp, namhyung, fweisbec, x86,
	hpa, tglx, robert.richter, lethal, Richard Weinberger

Both warning and warning_symbol are nowhere used.
Let's get rid of them.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
 arch/x86/include/asm/stacktrace.h |    3 ---
 arch/x86/kernel/cpu/perf_event.c  |   13 -------------
 arch/x86/kernel/dumpstack.c       |   16 ----------------
 arch/x86/kernel/stacktrace.c      |   13 -------------
 arch/x86/oprofile/backtrace.c     |   13 -------------
 5 files changed, 0 insertions(+), 58 deletions(-)

diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h
index d7e89c8..70bbe39 100644
--- a/arch/x86/include/asm/stacktrace.h
+++ b/arch/x86/include/asm/stacktrace.h
@@ -37,9 +37,6 @@ print_context_stack_bp(struct thread_info *tinfo,
 /* Generic stack tracer with callbacks */
 
 struct stacktrace_ops {
-	void (*warning)(void *data, char *msg);
-	/* msg must contain %s for the symbol */
-	void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
 	void (*address)(void *data, unsigned long address, int reliable);
 	/* On negative return stop dumping */
 	int (*stack)(void *data, char *name);
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index e638689..2828bca 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1766,17 +1766,6 @@ static struct pmu pmu = {
  * callchain support
  */
 
-static void
-backtrace_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-	/* Ignore warnings */
-}
-
-static void backtrace_warning(void *data, char *msg)
-{
-	/* Ignore warnings */
-}
-
 static int backtrace_stack(void *data, char *name)
 {
 	return 0;
@@ -1790,8 +1779,6 @@ static void backtrace_address(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops backtrace_ops = {
-	.warning		= backtrace_warning,
-	.warning_symbol		= backtrace_warning_symbol,
 	.stack			= backtrace_stack,
 	.address		= backtrace_address,
 	.walk_stack		= print_context_stack_bp,
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index e2a3f06..f478ff6 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -135,20 +135,6 @@ print_context_stack_bp(struct thread_info *tinfo,
 }
 EXPORT_SYMBOL_GPL(print_context_stack_bp);
 
-
-static void
-print_trace_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-	printk(data);
-	print_symbol(msg, symbol);
-	printk("\n");
-}
-
-static void print_trace_warning(void *data, char *msg)
-{
-	printk("%s%s\n", (char *)data, msg);
-}
-
 static int print_trace_stack(void *data, char *name)
 {
 	printk("%s <%s> ", (char *)data, name);
@@ -166,8 +152,6 @@ static void print_trace_address(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops print_trace_ops = {
-	.warning		= print_trace_warning,
-	.warning_symbol		= print_trace_warning_symbol,
 	.stack			= print_trace_stack,
 	.address		= print_trace_address,
 	.walk_stack		= print_context_stack,
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 6515733..55d9bc0 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -9,15 +9,6 @@
 #include <linux/uaccess.h>
 #include <asm/stacktrace.h>
 
-static void save_stack_warning(void *data, char *msg)
-{
-}
-
-static void
-save_stack_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-}
-
 static int save_stack_stack(void *data, char *name)
 {
 	return 0;
@@ -53,16 +44,12 @@ save_stack_address_nosched(void *data, unsigned long addr, int reliable)
 }
 
 static const struct stacktrace_ops save_stack_ops = {
-	.warning	= save_stack_warning,
-	.warning_symbol	= save_stack_warning_symbol,
 	.stack		= save_stack_stack,
 	.address	= save_stack_address,
 	.walk_stack	= print_context_stack,
 };
 
 static const struct stacktrace_ops save_stack_ops_nosched = {
-	.warning	= save_stack_warning,
-	.warning_symbol	= save_stack_warning_symbol,
 	.stack		= save_stack_stack,
 	.address	= save_stack_address_nosched,
 	.walk_stack	= print_context_stack,
diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
index 2d49d4e..a5b64ab 100644
--- a/arch/x86/oprofile/backtrace.c
+++ b/arch/x86/oprofile/backtrace.c
@@ -16,17 +16,6 @@
 #include <asm/stacktrace.h>
 #include <linux/compat.h>
 
-static void backtrace_warning_symbol(void *data, char *msg,
-				     unsigned long symbol)
-{
-	/* Ignore warnings */
-}
-
-static void backtrace_warning(void *data, char *msg)
-{
-	/* Ignore warnings */
-}
-
 static int backtrace_stack(void *data, char *name)
 {
 	/* Yes, we want all stacks */
@@ -42,8 +31,6 @@ static void backtrace_address(void *data, unsigned long addr, int reliable)
 }
 
 static struct stacktrace_ops backtrace_ops = {
-	.warning	= backtrace_warning,
-	.warning_symbol	= backtrace_warning_symbol,
 	.stack		= backtrace_stack,
 	.address	= backtrace_address,
 	.walk_stack	= print_context_stack,
-- 
1.7.4.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH 1/2] sh: remove warning and warning_symbol from struct stacktrace_ops
  2011-05-12 13:11 [PATCH 1/2] sh: remove warning and warning_symbol from struct stacktrace_ops Richard Weinberger
  2011-05-12 13:11 ` [PATCH 2/2] x86: " Richard Weinberger
@ 2011-05-23  5:45 ` Paul Mundt
  1 sibling, 0 replies; 3+ messages in thread
From: Paul Mundt @ 2011-05-23  5:45 UTC (permalink / raw)
  To: Richard Weinberger
  Cc: linux-kernel, linux-sh, oleg, akpm, ying.huang, ssp, namhyung,
	fweisbec, x86, hpa, tglx, robert.richter

On Thu, May 12, 2011 at 03:11:11PM +0200, Richard Weinberger wrote:
> Both warning and warning_symbol are nowhere used.
> Let's get rid of them.
> 
> Signed-off-by: Richard Weinberger <richard@nod.at>

The SH code obviously simply copied the x86 design, but it seems
reasonable to kill these off given that there are no users of the
interface. Applied, thanks.

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2011-05-12 13:11 [PATCH 1/2] sh: remove warning and warning_symbol from struct stacktrace_ops Richard Weinberger
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2011-05-23  5:45 ` [PATCH 1/2] sh: " Paul Mundt

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