From: Andi Kleen <a...@linux.intel.com>
dump_stack is used from assembler code, so make it visible.
Signed-off-by: Andi Kleen <a...@linux.intel.com>
---
include/linux/printk.h | 2 +-
lib/dump_stack.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/printk.h b/include/linux/printk.h
index 22c7052..e6131a78 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -200,7 +200,7 @@ static inline void show_regs_print_info(const char *log_lvl)
}
#endif
-extern void dump_stack(void) __cold;
+extern asmlinkage void dump_stack(void) __cold;
#ifndef pr_fmt
#define pr_fmt(fmt) fmt
diff --git a/lib/dump_stack.c b/lib/dump_stack.c
index c031541..f23b63f 100644
--- a/lib/dump_stack.c
+++ b/lib/dump_stack.c
@@ -23,7 +23,7 @@ static void __dump_stack(void)
#ifdef CONFIG_SMP
static atomic_t dump_lock = ATOMIC_INIT(-1);
-void dump_stack(void)
+asmlinkage void dump_stack(void)
{
int was_locked;
int old;
@@ -55,7 +55,7 @@ retry:
preempt_enable();
}
#else
-void dump_stack(void)
+asmlinkage void dump_stack(void)
{
__dump_stack();
}
--
1.8.3.1
--
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