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Commit d3b060231b2e1eb7e7e9680ff93326a4ae576720

Authored by Huang Weiyi
Committed by Benjamin Herrenschmidt
1 parent d65d830ca0
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

powerpc: Removed duplicated include in stacktrace.c 

Removed duplicated include file <linux/module.h> in
arch/powerpc/kernel/stacktrace.c.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Showing 1 changed file with 0 additions and 1 deletions Inline Diff

arch/powerpc/kernel/stacktrace.c
Diff comments   View file @ d3b0602
1 /* 1 /*
2 * Stack trace utility 2 * Stack trace utility
3 * 3 *
4 * Copyright 2008 Christoph Hellwig, IBM Corp. 4 * Copyright 2008 Christoph Hellwig, IBM Corp.
5 * 5 *
6 * 6 *
7 * This program is free software; you can redistribute it and/or 7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License 8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version. 10 * 2 of the License, or (at your option) any later version.
11 */ 11 */
12 12
13 #include <linux/module.h> 13 #include <linux/module.h>
14 #include <linux/sched.h> 14 #include <linux/sched.h>
15 #include <linux/stacktrace.h> 15 #include <linux/stacktrace.h>
16 #include <linux/module.h>
17 #include <asm/ptrace.h> 16 #include <asm/ptrace.h>
18 #include <asm/processor.h> 17 #include <asm/processor.h>
19 18
20 /* 19 /*
21 * Save stack-backtrace addresses into a stack_trace buffer. 20 * Save stack-backtrace addresses into a stack_trace buffer.
22 */ 21 */
23 static void save_context_stack(struct stack_trace *trace, unsigned long sp, 22 static void save_context_stack(struct stack_trace *trace, unsigned long sp,
24 struct task_struct *tsk, int savesched) 23 struct task_struct *tsk, int savesched)
25 { 24 {
26 for (;;) { 25 for (;;) {
27 unsigned long *stack = (unsigned long *) sp; 26 unsigned long *stack = (unsigned long *) sp;
28 unsigned long newsp, ip; 27 unsigned long newsp, ip;
29 28
30 if (!validate_sp(sp, tsk, STACK_FRAME_OVERHEAD)) 29 if (!validate_sp(sp, tsk, STACK_FRAME_OVERHEAD))
31 return; 30 return;
32 31
33 newsp = stack[0]; 32 newsp = stack[0];
34 ip = stack[STACK_FRAME_LR_SAVE]; 33 ip = stack[STACK_FRAME_LR_SAVE];
35 34
36 if (savesched || !in_sched_functions(ip)) { 35 if (savesched || !in_sched_functions(ip)) {
37 if (!trace->skip) 36 if (!trace->skip)
38 trace->entries[trace->nr_entries++] = ip; 37 trace->entries[trace->nr_entries++] = ip;
39 else 38 else
40 trace->skip--; 39 trace->skip--;
41 } 40 }
42 41
43 if (trace->nr_entries >= trace->max_entries) 42 if (trace->nr_entries >= trace->max_entries)
44 return; 43 return;
45 44
46 sp = newsp; 45 sp = newsp;
47 } 46 }
48 } 47 }
49 48
50 void save_stack_trace(struct stack_trace *trace) 49 void save_stack_trace(struct stack_trace *trace)
51 { 50 {
52 unsigned long sp; 51 unsigned long sp;
53 52
54 asm("mr %0,1" : "=r" (sp)); 53 asm("mr %0,1" : "=r" (sp));
55 54
56 save_context_stack(trace, sp, current, 1); 55 save_context_stack(trace, sp, current, 1);
57 } 56 }
58 EXPORT_SYMBOL_GPL(save_stack_trace); 57 EXPORT_SYMBOL_GPL(save_stack_trace);
59 58
60 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) 59 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
61 { 60 {
62 save_context_stack(trace, tsk->thread.ksp, tsk, 0); 61 save_context_stack(trace, tsk->thread.ksp, tsk, 0);
63 } 62 }
64 EXPORT_SYMBOL_GPL(save_stack_trace_tsk); 63 EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
65 64