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ANDROID: KVM: arm64: Add hyp_spinlock_t static initializer

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Having a static initializer for hyp_spinlock_t simplifies its
use when there isn't an initializing function.

No functional change intended.

Signed-off-by: Fuad Tabba <tabba@google.com>
Bug: 209580772
Change-Id: Ib1eabe03f49013955a7afcbfcc6a7d3c4a31a736
Signed-off-by: Will Deacon <willdeacon@google.com>
This commit is contained in:
Fuad Tabba
2021-02-02 10:10:03 +00:00
committed by Will Deacon
parent b72132ff31
commit b7ceb8bab7
1 changed files with 9 additions and 1 deletions
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10
arch/arm64/kvm/hyp/include/nvhe/spinlock.h
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@@ -28,9 +28,17 @@ typedef union hyp_spinlock {
};
} hyp_spinlock_t;
#define __HYP_SPIN_LOCK_INITIALIZER \
{ .__val = 0 }
#define __HYP_SPIN_LOCK_UNLOCKED \
((hyp_spinlock_t) __HYP_SPIN_LOCK_INITIALIZER)
#define DEFINE_HYP_SPINLOCK(x) hyp_spinlock_t x = __HYP_SPIN_LOCK_UNLOCKED
#define hyp_spin_lock_init(l) \
do { \
*(l) = (hyp_spinlock_t){ .__val = 0 }; \
*(l) = __HYP_SPIN_LOCK_UNLOCKED; \
} while (0)
static inline void hyp_spin_lock(hyp_spinlock_t *lock)