linux-kernel - [RFC patch 41/41] lib/stackdepot: Remove obsolete functions

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Message-Id: <20190410103647.294241460@linutronix.de>
Date:   Wed, 10 Apr 2019 12:28:35 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>, x86@...nel.org,
        Andy Lutomirski <luto@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Alexander Potapenko <glider@...gle.com>
Subject: [RFC patch 41/41] lib/stackdepot: Remove obsolete functions

No more users of the struct stack_trace based interfaces.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 include/linux/stackdepot.h |    4 ----
 lib/stackdepot.c           |   20 --------------------
 2 files changed, 24 deletions(-)

--- a/include/linux/stackdepot.h
+++ b/include/linux/stackdepot.h
@@ -23,13 +23,9 @@
 
 typedef u32 depot_stack_handle_t;
 
-struct stack_trace;
-
-depot_stack_handle_t depot_save_stack(struct stack_trace *trace, gfp_t flags);
 depot_stack_handle_t stack_depot_save(unsigned long *entries,
 				      unsigned int nr_entries, gfp_t gfp_flags);
 
-void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace);
 unsigned int stack_depot_fetch(depot_stack_handle_t handle,
 			       unsigned long **entries);
 
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -212,14 +212,6 @@ unsigned int stack_depot_fetch(depot_sta
 }
 EXPORT_SYMBOL_GPL(stack_depot_fetch);
 
-void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace)
-{
-	unsigned int nent = stack_depot_fetch(handle, &trace->entries);
-
-	trace->max_entries = trace->nr_entries = nent;
-}
-EXPORT_SYMBOL_GPL(depot_fetch_stack);
-
 /**
  * stack_depot_save - Save a stack trace from an array
  *
@@ -314,15 +306,3 @@ depot_stack_handle_t stack_depot_save(un
 	return retval;
 }
 EXPORT_SYMBOL_GPL(stack_depot_save);
-
-/**
- * depot_save_stack - save stack in a stack depot.
- * @trace - the stacktrace to save.
- * @alloc_flags - flags for allocating additional memory if required.
- */
-depot_stack_handle_t depot_save_stack(struct stack_trace *trace,
-				      gfp_t alloc_flags)
-{
-	return stack_depot_save(trace->entries, trace->nr_entries, alloc_flags);
-}
-EXPORT_SYMBOL_GPL(depot_save_stack);