lkml.org 
[lkml]   [2021]   [Nov]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/2] 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>
Cc: linux-sh@vger.kernel.org
Cc: Paul Mundt <lethal@linux-sh.org>
---
Possibly even more of this function should conditionally not be built...

arch/sh/lib/mcount.S | 4 ++++
1 file changed, 4 insertions(+)

--- linux-next-20211112.orig/arch/sh/lib/mcount.S
+++ linux-next-20211112/arch/sh/lib/mcount.S
@@ -257,9 +257,11 @@ return_to_handler:
#ifdef CONFIG_STACK_DEBUG
.globl stack_panic
stack_panic:
+#ifdef CONFIG_PRINTK
mov.l .Ldump_stack, r0
jsr @r0
nop
+#endif

mov.l .Lpanic, r0
jsr @r0
@@ -277,8 +279,10 @@ stack_panic:
.long panic
.Lpanic_s:
.long .Lpanic_str
+#ifdef CONFIG_PRINTK
.Ldump_stack:
.long dump_stack
+#endif

.section .rodata
.align 2
\
 
 \ /
  Last update: 2021-11-15 07:43    [W:0.043 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site