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HFI1: handle Linux queued_spin_locks in the receive path as well

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This commit is contained in:
Balazs Gerofi
2018-04-10 10:47:42 +09:00
parent 8164b63fc2
commit 5a2f8388a6
2 changed files with 28 additions and 18 deletions
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16
kernel/include/hfi1/ihk_hfi1_common.h
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@@ -99,10 +99,9 @@ typedef ihk_spinlock_t spinlock_t;
#define _Q_PENDING_OFFSET (_Q_LOCKED_OFFSET + _Q_LOCKED_BITS)
#define _Q_PENDING_VAL (1U << _Q_PENDING_OFFSET)
#define linux_spin_lock_irqsave(lock, flags) \
#define linux_spin_lock(lock) \
do { \
uint32_t val; \
flags = cpu_disable_interrupt_save(); \
do { \
val = atomic_cmpxchg4( \
(unsigned int *)lock, 0, \
@@ -114,9 +113,20 @@ typedef ihk_spinlock_t spinlock_t;
while (1); \
} while (0)
#define linux_spin_unlock_irqrestore(lock, flags) \
#define linux_spin_unlock(lock) \
do { \
ihk_atomic_set((ihk_atomic_t *)lock, 0); \
} while (0)
#define linux_spin_lock_irqsave(lock, flags) \
do { \
flags = cpu_disable_interrupt_save(); \
linux_spin_lock(lock); \
} while (0)
#define linux_spin_unlock_irqrestore(lock, flags) \
do { \
linux_spin_unlock(lock); \
cpu_restore_interrupt(flags); \
} while (0)