From 87f79d886dd8c53bc61b09078764e50e3ac631cc Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 6 Feb 2023 14:49:41 +0100 Subject: [PATCH] s390/processor: always inline cpu flag helper functions arch_cpu_idle() is marked noinstr and therefore must only call functions which are also not instrumented. Make sure that cpu flag helper functions are always inlined to avoid that the compiler generates an out-of-line function for e.g. the call within arch_cpu_idle(). Reviewed-by: Sven Schnelle Signed-off-by: Heiko Carstens --- arch/s390/include/asm/processor.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index c907f74..53172b2 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -44,17 +44,17 @@ typedef long (*sys_call_ptr_t)(struct pt_regs *regs); -static inline void set_cpu_flag(int flag) +static __always_inline void set_cpu_flag(int flag) { S390_lowcore.cpu_flags |= (1UL << flag); } -static inline void clear_cpu_flag(int flag) +static __always_inline void clear_cpu_flag(int flag) { S390_lowcore.cpu_flags &= ~(1UL << flag); } -static inline int test_cpu_flag(int flag) +static __always_inline int test_cpu_flag(int flag) { return !!(S390_lowcore.cpu_flags & (1UL << flag)); } @@ -63,7 +63,7 @@ static inline int test_cpu_flag(int flag) * Test CIF flag of another CPU. The caller needs to ensure that * CPU hotplug can not happen, e.g. by disabling preemption. */ -static inline int test_cpu_flag_of(int flag, int cpu) +static __always_inline int test_cpu_flag_of(int flag, int cpu) { struct lowcore *lc = lowcore_ptr[cpu]; return !!(lc->cpu_flags & (1UL << flag)); -- 2.7.4