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locking/arch: Remove dummy arch_{read,spin,write}_lock_flags() implementations

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The arch_{read,spin,write}_lock_flags() macros are simply mapped to the
non-flags versions by the majority of architectures, so do this in core
code and remove the dummy implementations. Also remove the implementation
in spinlock_up.h, since all callers of do_raw_spin_lock_flags() call
local_irq_save(flags) anyway.

Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Will Deacon 2017-10-03 19:25:29 +01:00 • committed by Ingo Molnar
commit a4c1887d4c
27 changed files with 20 additions and 102 deletions
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4
arch/alpha/include/asm/spinlock.h
View file

@ -13,7 +13,6 @@
* We make no fairness assumptions. They have a cost.
*/
#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
#define arch_spin_is_locked(x) ((x)->lock != 0)
static inline int arch_spin_value_unlocked(arch_spinlock_t lock)
@ -160,7 +159,4 @@ static inline void arch_write_unlock(arch_rwlock_t * lock)
lock->lock = 0;
}
#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
#endif /* _ALPHA_SPINLOCK_H */