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-rw-r--r--arch/csky/kernel/dumpstack.c49
1 files changed, 0 insertions, 49 deletions
diff --git a/arch/csky/kernel/dumpstack.c b/arch/csky/kernel/dumpstack.c
deleted file mode 100644
index d67f9777cfd9..000000000000
--- a/arch/csky/kernel/dumpstack.c
+++ /dev/null
@@ -1,49 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
-
-#include <linux/ptrace.h>
-
-int kstack_depth_to_print = 48;
-
-void show_trace(unsigned long *stack)
-{
- unsigned long *stack_end;
- unsigned long *stack_start;
- unsigned long *fp;
- unsigned long addr;
-
- addr = (unsigned long) stack & THREAD_MASK;
- stack_start = (unsigned long *) addr;
- stack_end = (unsigned long *) (addr + THREAD_SIZE);
-
- fp = stack;
- pr_info("\nCall Trace:");
-
- while (fp > stack_start && fp < stack_end) {
-#ifdef CONFIG_STACKTRACE
- addr = fp[1];
- fp = (unsigned long *) fp[0];
-#else
- addr = *fp++;
-#endif
- if (__kernel_text_address(addr))
- pr_cont("\n[<%08lx>] %pS", addr, (void *)addr);
- }
- pr_cont("\n");
-}
-
-void show_stack(struct task_struct *task, unsigned long *stack)
-{
- if (!stack) {
- if (task)
- stack = (unsigned long *)thread_saved_fp(task);
- else
-#ifdef CONFIG_STACKTRACE
- asm volatile("mov %0, r8\n":"=r"(stack)::"memory");
-#else
- stack = (unsigned long *)&stack;
-#endif
- }
-
- show_trace(stack);
-}