diff mbox series

smp: make __smp_processor_id() 0-argument macro

Message ID 0037d1f2-8153-4b33-b43e-f4b6ecd710ac@p183
State New
Headers
Series smp: make __smp_processor_id() 0-argument macro |

Commit Message

Alexey Dobriyan Feb. 5, 2024, 9:39 a.m. UTC 
  smp_processor_id family of macros never accepted any arguments.

	#define __smp_processor_id(x)

works by accident (see C99 6.10.3 ยง4). __smp_processor_id() gets
1 (empty) argument and passes it down to raw_smp_processor_id()
which doesn't accept arguments.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

 include/linux/smp.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -261,7 +261,7 @@  static inline int get_boot_cpu_id(void)
  * regular asm read for the stable.
  */
 #ifndef __smp_processor_id
-#define __smp_processor_id(x) raw_smp_processor_id(x)
+#define __smp_processor_id() raw_smp_processor_id()
 #endif
 
 #ifdef CONFIG_DEBUG_PREEMPT