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Subject[PATCH 1/2 v2] sh: mcount.S: fix build error when PRINTK is not enabled
Date
Fix a build error in mcount.S when CONFIG_PRINTK is not enabled.
Fixes this build error:

sh2-linux-ld: arch/sh/lib/mcount.o: in function `stack_panic':
(.text+0xec): undefined reference to `dump_stack'

Fixes: e460ab27b6c3e ("sh: Fix up stack overflow check with ftrace disabled.")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
v2: add PRINTK to STACK_DEBUG dependency (thanks, Geert)

arch/sh/Kconfig.debug | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20211115.orig/arch/sh/Kconfig.debug
+++ linux-next-20211115/arch/sh/Kconfig.debug
@@ -15,7 +15,7 @@ config SH_STANDARD_BIOS

config STACK_DEBUG
bool "Check for stack overflows"
- depends on DEBUG_KERNEL
+ depends on DEBUG_KERNEL && PRINTK
help
This option will cause messages to be printed if free stack space
drops below a certain limit. Saying Y here will add overhead to
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