The following commit has been merged into the smp/core branch of tip: Commit-ID: b57b4126dd3bb69db876ae7b271307ab7e0458b9 Gitweb: https://git.kernel.org/tip/b57b4126dd3bb69db876ae7b271307ab7e0458b9 Author: Alexey Dobriyan <adobriyan@xxxxxxxxx> AuthorDate: Mon, 05 Feb 2024 12:39:30 +03:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Mon, 19 Feb 2024 18:05:47 +01:00 smp: Make __smp_processor_id() 0-argument macro smp_processor_id family of macros never accepted any arguments. #define __smp_processor_id(x) works by accident (see C99 6.10.3 §4). __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@xxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/0037d1f2-8153-4b33-b43e-f4b6ecd710ac@p183 --- include/linux/smp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/smp.h b/include/linux/smp.h index e87520d..cc51700 100644 --- 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
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