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From: tip-bot for Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
	a.p.zijlstra@chello.nl, namhyung@gmail.com,
	masami.hiramatsu.pt@hitachi.com, fweisbec@gmail.com,
	rostedt@goodmis.org, tglx@linutronix.de
Subject: [tip:perf/core] stack_trace: Add weak save_stack_trace_regs()
Date: Tue, 5 Jul 2011 12:55:04 GMT	[thread overview]
Message-ID: <tip-c624d33f61cd05241e85b906311f0b712fdb0f32@git.kernel.org> (raw)
In-Reply-To: <20110608070927.17777.37895.stgit@fedora15>

Commit-ID:  c624d33f61cd05241e85b906311f0b712fdb0f32
Gitweb:     http://git.kernel.org/tip/c624d33f61cd05241e85b906311f0b712fdb0f32
Author:     Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
AuthorDate: Wed, 8 Jun 2011 16:09:27 +0900
Committer:  Steven Rostedt <rostedt@goodmis.org>
CommitDate: Tue, 14 Jun 2011 22:48:52 -0400

stack_trace: Add weak save_stack_trace_regs()

Add weak symbol of save_stack_trace_regs() as same as
save_stack_trace_tsk() since that is not implemented
except x86 yet.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: yrl.pp-manager.tt@hitachi.com
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@gmail.com>
Link: http://lkml.kernel.org/r/20110608070927.17777.37895.stgit@fedora15
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/stacktrace.c |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index eb212f8..d20c698 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -26,12 +26,18 @@ void print_stack_trace(struct stack_trace *trace, int spaces)
 EXPORT_SYMBOL_GPL(print_stack_trace);
 
 /*
- * Architectures that do not implement save_stack_trace_tsk get this
- * weak alias and a once-per-bootup warning (whenever this facility
- * is utilized - for example by procfs):
+ * Architectures that do not implement save_stack_trace_tsk or
+ * save_stack_trace_regs get this weak alias and a once-per-bootup warning
+ * (whenever this facility is utilized - for example by procfs):
  */
 __weak void
 save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
 {
 	WARN_ONCE(1, KERN_INFO "save_stack_trace_tsk() not implemented yet.\n");
 }
+
+__weak void
+save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace)
+{
+	WARN_ONCE(1, KERN_INFO "save_stack_trace_regs() not implemented yet.\n");
+}

  reply	other threads:[~2011-07-05 12:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-08  7:09 [PATCH -tip v2 0/3] Support stacktrace with dynamic event Masami Hiramatsu
2011-06-08  7:09 ` [PATCH -tip v2 1/3] [CLEANUP]x86: Swap save_stack_trace_regs parameters Masami Hiramatsu
2011-07-05 12:54   ` [tip:perf/core] x86: " tip-bot for Masami Hiramatsu
2011-06-08  7:09 ` [PATCH -tip v2 2/3] Add weak save_stack_trace_regs() Masami Hiramatsu
2011-07-05 12:55   ` tip-bot for Masami Hiramatsu [this message]
2011-06-08  7:09 ` [PATCH -tip v2 3/3] [BUGFIX]tracing/kprobes: Fix kprobe-tracer to support stack trace Masami Hiramatsu
2011-07-05 12:55   ` [tip:perf/core] tracing/kprobes: " tip-bot for Masami Hiramatsu

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