trace: Add exports to use __print_symbolic and __print_flags from a module

trace: Add exports to use __print_symbolic and __print_flags from a module

[Steven Whitehouse]

A patch to allow the use of __print_symbolic and __print_flags
from a module. This allows the current GFS2 tracing patch to
build. This is against the latest -tip tree.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index c12d95d..0fe3b22 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -17,6 +17,7 @@
 static DECLARE_RWSEM(trace_event_mutex);
 
 DEFINE_PER_CPU(struct trace_seq, ftrace_event_seq);
+EXPORT_PER_CPU_SYMBOL(ftrace_event_seq);
 
 static struct hlist_head event_hash[EVENT_HASHSIZE] __read_mostly;
 
@@ -250,6 +251,7 @@ ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
 
 	return p->buffer;
 }
+EXPORT_SYMBOL(ftrace_print_flags_seq);
 
 const char *
 ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
@@ -275,6 +277,7 @@ ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
 
 	return p->buffer;
 }
+EXPORT_SYMBOL(ftrace_print_symbols_seq);
 
 #ifdef CONFIG_KRETPROBES
 static inline const char *kretprobed(const char *name)

Re: trace: Add exports to use __print_symbolic and __print_flags from a module

[Steven Rostedt]

On Mon, 1 Jun 2009, Steven Whitehouse wrote:

> 
> A patch to allow the use of __print_symbolic and __print_flags
> from a module. This allows the current GFS2 tracing patch to
> build. This is against the latest -tip tree.
> 
> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

Thanks! I'll apply it.

-- Steve

> 
> diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
> index c12d95d..0fe3b22 100644
> --- a/kernel/trace/trace_output.c
> +++ b/kernel/trace/trace_output.c
> @@ -17,6 +17,7 @@
>  static DECLARE_RWSEM(trace_event_mutex);
>  
>  DEFINE_PER_CPU(struct trace_seq, ftrace_event_seq);
> +EXPORT_PER_CPU_SYMBOL(ftrace_event_seq);
>  
>  static struct hlist_head event_hash[EVENT_HASHSIZE] __read_mostly;
>  
> @@ -250,6 +251,7 @@ ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
>  
>  	return p->buffer;
>  }
> +EXPORT_SYMBOL(ftrace_print_flags_seq);
>  
>  const char *
>  ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
> @@ -275,6 +277,7 @@ ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
>  
>  	return p->buffer;
>  }
> +EXPORT_SYMBOL(ftrace_print_symbols_seq);
>  
>  #ifdef CONFIG_KRETPROBES
>  static inline const char *kretprobed(const char *name)
> 
> 
> 

[tip:tracing/core] tracing: add exports to use __print_symbolic and __print_flags from a module

[tip-bot for Steven Whitehouse]

Commit-ID:  ec081ddc3d90aab35bc0de19a358b964978837cf
Gitweb:     http://git.kernel.org/tip/ec081ddc3d90aab35bc0de19a358b964978837cf
Author:     Steven Whitehouse <swhiteho@redhat.com>
AuthorDate: Mon, 1 Jun 2009 15:53:35 +0100
Committer:  Steven Rostedt <rostedt@goodmis.org>
CommitDate: Mon, 1 Jun 2009 23:25:29 -0400

tracing: add exports to use __print_symbolic and __print_flags from a module

A patch to allow the use of __print_symbolic and __print_flags
from a module. This allows the current GFS2 tracing patch to
build.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
LKML-Reference: <1243868015.29604.542.camel@localhost.localdomain>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>


---
 kernel/trace/trace_output.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index c12d95d..0fe3b22 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -17,6 +17,7 @@
 static DECLARE_RWSEM(trace_event_mutex);
 
 DEFINE_PER_CPU(struct trace_seq, ftrace_event_seq);
+EXPORT_PER_CPU_SYMBOL(ftrace_event_seq);
 
 static struct hlist_head event_hash[EVENT_HASHSIZE] __read_mostly;
 
@@ -250,6 +251,7 @@ ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
 
 	return p->buffer;
 }
+EXPORT_SYMBOL(ftrace_print_flags_seq);
 
 const char *
 ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
@@ -275,6 +277,7 @@ ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
 
 	return p->buffer;
 }
+EXPORT_SYMBOL(ftrace_print_symbols_seq);
 
 #ifdef CONFIG_KRETPROBES
 static inline const char *kretprobed(const char *name)