Messages in this thread Patch in this message | | | From | Randy Dunlap <> | Subject | [PATCH 1/2 v2] sh: mcount.S: fix build error when PRINTK is not enabled | Date | Mon, 15 Nov 2021 19:36:54 -0800 |
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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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