diff options
| -rw-r--r-- | arch/s390/include/asm/preempt.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h index 3e3f21385db9..e100dd32f766 100644 --- a/arch/s390/include/asm/preempt.h +++ b/arch/s390/include/asm/preempt.h @@ -8,8 +8,6 @@ #include <asm/cmpxchg.h> #include <asm/march.h> -#ifdef MARCH_HAS_Z196_FEATURES - /* We use the MSB mostly because its available */ #define PREEMPT_NEED_RESCHED 0x80000000 @@ -101,56 +99,6 @@ static __always_inline bool should_resched(int preempt_offset) preempt_offset); } -#else /* MARCH_HAS_Z196_FEATURES */ - -#define PREEMPT_ENABLED (0) - -static __always_inline int preempt_count(void) -{ - return READ_ONCE(get_lowcore()->preempt_count); -} - -static __always_inline void preempt_count_set(int pc) -{ - get_lowcore()->preempt_count = pc; -} - -static __always_inline void set_preempt_need_resched(void) -{ -} - -static __always_inline void clear_preempt_need_resched(void) -{ -} - -static __always_inline bool test_preempt_need_resched(void) -{ - return false; -} - -static __always_inline void __preempt_count_add(int val) -{ - get_lowcore()->preempt_count += val; -} - -static __always_inline void __preempt_count_sub(int val) -{ - get_lowcore()->preempt_count -= val; -} - -static __always_inline bool __preempt_count_dec_and_test(void) -{ - return !--get_lowcore()->preempt_count && tif_need_resched(); -} - -static __always_inline bool should_resched(int preempt_offset) -{ - return unlikely(preempt_count() == preempt_offset && - tif_need_resched()); -} - -#endif /* MARCH_HAS_Z196_FEATURES */ - #define init_task_preempt_count(p) do { } while (0) /* Deferred to CPU bringup time */ #define init_idle_preempt_count(p, cpu) do { } while (0) |