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Message-Id: <20211116033654.9781-1-rdunlap@infradead.org>
Date: Mon, 15 Nov 2021 19:36:54 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: linux-kernel@...r.kernel.org
Cc: Randy Dunlap <rdunlap@...radead.org>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Rich Felker <dalias@...c.org>,
Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH 1/2 v2] sh: mcount.S: fix build error when PRINTK is not enabled
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@...radead.org>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: Rich Felker <dalias@...c.org>
Suggested-by: Geert Uytterhoeven <geert@...ux-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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