4.0-stable review patch. If anyone has any objections, please let me know.
------------------
From: James Hogan <james.ho...@imgtec.com>
commit 5f35b9cd553fd64415b563497d05a563c988dbd6 upstream.
Commit 334c86c494b9 ("MIPS: IRQ: Add stackoverflow detection") added
kernel stack overflow detection, however it only enabled it conditional
upon the preprocessor definition DEBUG_STACKOVERFLOW, which is never
actually defined. The Kconfig option is called DEBUG_STACKOVERFLOW,
which manifests to the preprocessor as CONFIG_DEBUG_STACKOVERFLOW, so
switch it to using that definition instead.
Fixes: 334c86c494b9 ("MIPS: IRQ: Add stackoverflow detection")
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Adam Jiang <jiang.a...@gmail.com>
Cc: linux-m...@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/10531/
Signed-off-by: Ralf Baechle <r...@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/mips/kernel/irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -109,7 +109,7 @@ void __init init_IRQ(void)
#endif
}
-#ifdef DEBUG_STACKOVERFLOW
+#ifdef CONFIG_DEBUG_STACKOVERFLOW
static inline void check_stack_overflow(void)
{
unsigned long sp;
--
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