x86: Remove warning and warning_symbol from struct stacktrace_ops

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

Signed-off-by: Richard Weinberger <richard@nod.at>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Soeren Sandmann Pedersen <ssp@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: x86 <x86@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Link: http://lkml.kernel.org/r/1305205872-10321-2-git-send-email-richard@nod.at
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h
index d7e89c8..70bbe39 100644 (file)
--- 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 0de6b2b..3a0338b 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1773,17 +1773,6 @@ 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;
@@ -1797,8 +1786,6 @@ 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 (file)
--- 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 (file)
--- 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 (file)
--- 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,