[PATCH 1/5] s390/ipl: Mark store_status as __noreturn

[Thorsten Blum <thorsten.blum@linux.dev>]

store_status() performs a tail call (BR_EX) to the function passed as
the first parameter and does not return. Annotate the declaration with
the __noreturn attribute to improve compiler optimizations.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
 arch/s390/include/asm/ipl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index b0d00032479d..637b29bf8a6d 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -164,7 +164,7 @@ enum diag308_rc {
 };
 
 extern int diag308(unsigned long subcode, void *addr);
-extern void store_status(void (*fn)(void *), void *data);
+extern void __noreturn store_status(void (*fn)(void *), void *data);
 extern void lgr_info_log(void);
 
 #endif /* _ASM_S390_IPL_H */
-- 
2.51.1