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@@ -13,12 +13,15 @@
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#define queued_fetch_set_pending_acquire queued_fetch_set_pending_acquire
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static __always_inline u32 queued_fetch_set_pending_acquire(struct qspinlock *lock)
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{
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- u32 val = 0;
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-
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- if (GEN_BINARY_RMWcc(LOCK_PREFIX "btsl", lock->val.counter, c,
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- "I", _Q_PENDING_OFFSET))
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- val |= _Q_PENDING_VAL;
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+ u32 val;
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+ /*
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+ * We can't use GEN_BINARY_RMWcc() inside an if() stmt because asm goto
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+ * and CONFIG_PROFILE_ALL_BRANCHES=y results in a label inside a
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+ * statement expression, which GCC doesn't like.
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+ */
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+ val = GEN_BINARY_RMWcc(LOCK_PREFIX "btsl", lock->val.counter, c,
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+ "I", _Q_PENDING_OFFSET) * _Q_PENDING_VAL;
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val |= atomic_read(&lock->val) & ~_Q_PENDING_MASK;
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return val;
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