[PATCH v5 1/3] spinlock: extend guard with spinlock_bh variants

Christian Marangi
2024-10-28T12:42:39Z

Extend guard APIs with missing raw/spinlock_bh variants.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
Changes v5:
- Add Ack tag
Changes v4:
- Out of RFC
Changes v2:
- Add this patch

include/linux/spinlock.h | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 63dd8cf3c3c2..d3561c4a080e 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -548,6 +548,12 @@ DEFINE_LOCK_GUARD_1(raw_spinlock_irq, raw_spinlock_t,

DEFINE_LOCK_GUARD_1_COND(raw_spinlock_irq, _try, raw_spin_trylock_irq(_T->lock))

+DEFINE_LOCK_GUARD_1(raw_spinlock_bh, raw_spinlock_t,
+ raw_spin_lock_bh(_T->lock),
+ raw_spin_unlock_bh(_T->lock))
+
+DEFINE_LOCK_GUARD_1_COND(raw_spinlock_bh, _try, raw_spin_trylock_bh(_T->lock))
+
DEFINE_LOCK_GUARD_1(raw_spinlock_irqsave, raw_spinlock_t,
raw_spin_lock_irqsave(_T->lock, _T->flags),
raw_spin_unlock_irqrestore(_T->lock, _T->flags),
@@ -569,6 +575,13 @@ DEFINE_LOCK_GUARD_1(spinlock_irq, spinlock_t,
DEFINE_LOCK_GUARD_1_COND(spinlock_irq, _try,
spin_trylock_irq(_T->lock))

+DEFINE_LOCK_GUARD_1(spinlock_bh, spinlock_t,
+ spin_lock_bh(_T->lock),
+ spin_unlock_bh(_T->lock))
+
+DEFINE_LOCK_GUARD_1_COND(spinlock_bh, _try,
+ spin_trylock_bh(_T->lock))
+
DEFINE_LOCK_GUARD_1(spinlock_irqsave, spinlock_t,
spin_lock_irqsave(_T->lock, _T->flags),
spin_unlock_irqrestore(_T->lock, _T->flags),
--
2.45.2