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x86/dumpstack: Remove dump_trace() and related callbacks

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All previous users of dump_trace() have been converted to use the new
unwind interfaces, so we can remove it and the related
print_context_stack() and print_context_stack_bp() callback functions.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Byungchul Park <byungchul.park@lge.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nilay Vaish <nilayvaish@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/5b97da3572b40b5a4d8e185cf2429308d0987a13.1474045023.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Josh Poimboeuf
2016-09-16 14:18:17 -05:00
committed by Ingo Molnar
parent e18bcccd1a
commit c8fe460982
4 changed files with 0 additions and 226 deletions
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36
arch/x86/include/asm/stacktrace.h
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@@ -45,42 +45,6 @@ static inline bool on_stack(struct stack_info *info, void *addr, size_t len)
extern int kstack_depth_to_print;
struct thread_info;
struct stacktrace_ops;
typedef unsigned long (*walk_stack_t)(struct task_struct *task,
unsigned long *stack,
unsigned long bp,
const struct stacktrace_ops *ops,
void *data,
struct stack_info *info,
int *graph);
extern unsigned long
print_context_stack(struct task_struct *task,
unsigned long *stack, unsigned long bp,
const struct stacktrace_ops *ops, void *data,
struct stack_info *info, int *graph);
extern unsigned long
print_context_stack_bp(struct task_struct *task,
unsigned long *stack, unsigned long bp,
const struct stacktrace_ops *ops, void *data,
struct stack_info *info, int *graph);
/* Generic stack tracer with callbacks */
struct stacktrace_ops {
int (*address)(void *data, unsigned long address, int reliable);
/* On negative return stop dumping */
int (*stack)(void *data, const char *name);
walk_stack_t walk_stack;
};
void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
unsigned long *stack, unsigned long bp,
const struct stacktrace_ops *ops, void *data);
#ifdef CONFIG_X86_32
#define STACKSLOTS_PER_LINE 8
#else