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Diffstat (limited to 'arch/x86_64/kernel/stacktrace.c')
-rw-r--r--arch/x86_64/kernel/stacktrace.c54
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c
deleted file mode 100644
index cb9109113584..000000000000
--- a/arch/x86_64/kernel/stacktrace.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * arch/x86_64/kernel/stacktrace.c
- *
- * Stack trace management functions
- *
- * Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
- */
-#include <linux/sched.h>
-#include <linux/stacktrace.h>
-#include <linux/module.h>
-#include <asm/stacktrace.h>
-
-static void save_stack_warning(void *data, char *msg)
-{
-}
-
-static void
-save_stack_warning_symbol(void *data, char *msg, unsigned long symbol)
-{
-}
-
-static int save_stack_stack(void *data, char *name)
-{
- return -1;
-}
-
-static void save_stack_address(void *data, unsigned long addr)
-{
- struct stack_trace *trace = (struct stack_trace *)data;
- if (trace->skip > 0) {
- trace->skip--;
- return;
- }
- if (trace->nr_entries < trace->max_entries)
- trace->entries[trace->nr_entries++] = addr;
-}
-
-static struct stacktrace_ops save_stack_ops = {
- .warning = save_stack_warning,
- .warning_symbol = save_stack_warning_symbol,
- .stack = save_stack_stack,
- .address = save_stack_address,
-};
-
-/*
- * Save stack-backtrace addresses into a stack_trace buffer.
- */
-void save_stack_trace(struct stack_trace *trace)
-{
- dump_trace(current, NULL, NULL, &save_stack_ops, trace);
- if (trace->nr_entries < trace->max_entries)
- trace->entries[trace->nr_entries++] = ULONG_MAX;
-}
-EXPORT_SYMBOL(save_stack_trace);