[RFC,v3,1/3] spinlock: extend guard with spinlock_bh variants

Commit Message

Christian Marangi Oct. 21, 2024, 2:56 p.m. UTC

Extend guard APIs with missing raw/spinlock_bh variants.

Signed-off-by: Christian Marangi <[e-mail]>
---
Changes v2:
- Add this patch

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

Patch

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),