[PATCH] [2/45] x86: constify stacktrace_ops

Andi Kleen
2007-09-21T20:45:48Z

From: "Jan Beulich" <jbeulich@novell.com>
.. as they're never written to.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>

arch/i386/kernel/traps.c | 6 +++---
arch/x86_64/kernel/stacktrace.c | 2 +-
arch/x86_64/kernel/traps.c | 4 ++--
include/asm-x86_64/stacktrace.h | 2 +-
4 files changed, 7 insertions(+), 7 deletions(-)

Index: linux/arch/i386/kernel/traps.c
===================================================================
--- linux.orig/arch/i386/kernel/traps.c
+++ linux/arch/i386/kernel/traps.c
@@ -114,7 +114,7 @@ struct stack_frame {

static inline unsigned long print_context_stack(struct thread_info *tinfo,
unsigned long *stack, unsigned long ebp,
- struct stacktrace_ops *ops, void *data)
+ const struct stacktrace_ops *ops, void *data)
{
#ifdef CONFIG_FRAME_POINTER
struct stack_frame *frame = (struct stack_frame *)ebp;
@@ -151,7 +151,7 @@ static inline unsigned long print_contex

void dump_trace(struct task_struct *task, struct pt_regs *regs,
unsigned long *stack,
- struct stacktrace_ops *ops, void *data)
+ const struct stacktrace_ops *ops, void *data)
{
unsigned long ebp = 0;

@@ -223,7 +223,7 @@ static void print_trace_address(void *da
touch_nmi_watchdog();
}

-static struct stacktrace_ops print_trace_ops = {
+static const struct stacktrace_ops print_trace_ops = {
.warning = print_trace_warning,
.warning_symbol = print_trace_warning_symbol,
.stack = print_trace_stack,
Index: linux/arch/x86_64/kernel/stacktrace.c
===================================================================
--- linux.orig/arch/x86_64/kernel/stacktrace.c
+++ linux/arch/x86_64/kernel/stacktrace.c
@@ -35,7 +35,7 @@ static void save_stack_address(void *dat
trace->entries[trace->nr_entries++] = addr;
}

-static struct stacktrace_ops save_stack_ops = {
+static const struct stacktrace_ops save_stack_ops = {
.warning = save_stack_warning,
.warning_symbol = save_stack_warning_symbol,
.stack = save_stack_stack,
Index: linux/arch/x86_64/kernel/traps.c
===================================================================
--- linux.orig/arch/x86_64/kernel/traps.c
+++ linux/arch/x86_64/kernel/traps.c
@@ -217,7 +217,7 @@ static inline int valid_stack_ptr(struct

void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
unsigned long *stack,
- struct stacktrace_ops *ops, void *data)
+ const struct stacktrace_ops *ops, void *data)
{
const unsigned cpu = get_cpu();
unsigned long *irqstack_end = (unsigned long*)cpu_pda(cpu)->irqstackptr;
@@ -338,7 +338,7 @@ static void print_trace_address(void *da
printk_address(addr);
}

-static struct stacktrace_ops print_trace_ops = {
+static const struct stacktrace_ops print_trace_ops = {
.warning = print_trace_warning,
.warning_symbol = print_trace_warning_symbol,
.stack = print_trace_stack,
Index: linux/include/asm-x86_64/stacktrace.h
===================================================================
--- linux.orig/include/asm-x86_64/stacktrace.h
+++ linux/include/asm-x86_64/stacktrace.h
@@ -15,6 +15,6 @@ struct stacktrace_ops {
};

void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long *stack,
- struct stacktrace_ops *ops, void *data);
+ const struct stacktrace_ops *ops, void *data);

#endif