* [dovetail-6.7][PATCH 1/2] genirq: irq_pipeline: Add lock guard support for hard spinlocks
@ 2023-12-09 9:02 Jan Kiszka
2023-12-12 8:39 ` Philippe Gerum
0 siblings, 1 reply; 2+ messages in thread
From: Jan Kiszka @ 2023-12-09 9:02 UTC (permalink / raw)
To: Xenomai, Philippe Gerum
From: Jan Kiszka <jan.kiszka@siemens.com>
Will be needed when converting guard users of raw spinlocks to hard
ones.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
include/linux/spinlock.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index d5ab32d64cab..0f01c1cce343 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -554,6 +554,26 @@ DEFINE_LOCK_GUARD_1(raw_spinlock_irqsave, raw_spinlock_t,
raw_spin_unlock_irqrestore(_T->lock, _T->flags),
unsigned long flags)
+DEFINE_LOCK_GUARD_1(hard_spinlock, hard_spinlock_t,
+ hard_spin_lock((raw_spinlock_t *)_T->lock),
+ hard_spin_unlock((raw_spinlock_t *)_T->lock))
+
+DEFINE_LOCK_GUARD_1(hard_spinlock_nested, hard_spinlock_t,
+ hard_spin_lock_nested((raw_spinlock_t *)_T->lock,
+ SINGLE_DEPTH_NESTING),
+ hard_spin_unlock((raw_spinlock_t *)_T->lock))
+
+DEFINE_LOCK_GUARD_1(hard_spinlock_irq, hard_spinlock_t,
+ hard_spin_lock_irq((raw_spinlock_t *)_T->lock),
+ hard_spin_unlock_irq((raw_spinlock_t *)_T->lock))
+
+DEFINE_LOCK_GUARD_1(hard_spinlock_irqsave, hard_spinlock_t,
+ hard_spin_lock_irqsave((raw_spinlock_t *)_T->lock,
+ _T->flags),
+ hard_spin_unlock_irqrestore((raw_spinlock_t *)_T->lock,
+ _T->flags),
+ unsigned long flags)
+
DEFINE_LOCK_GUARD_1(spinlock, spinlock_t,
spin_lock(_T->lock),
spin_unlock(_T->lock))
--
2.35.3
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [dovetail-6.7][PATCH 1/2] genirq: irq_pipeline: Add lock guard support for hard spinlocks
2023-12-09 9:02 [dovetail-6.7][PATCH 1/2] genirq: irq_pipeline: Add lock guard support for hard spinlocks Jan Kiszka
@ 2023-12-12 8:39 ` Philippe Gerum
0 siblings, 0 replies; 2+ messages in thread
From: Philippe Gerum @ 2023-12-12 8:39 UTC (permalink / raw)
To: Jan Kiszka; +Cc: Xenomai
Jan Kiszka <jan.kiszka@siemens.com> writes:
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> Will be needed when converting guard users of raw spinlocks to hard
> ones.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
> include/linux/spinlock.h | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
> index d5ab32d64cab..0f01c1cce343 100644
> --- a/include/linux/spinlock.h
> +++ b/include/linux/spinlock.h
> @@ -554,6 +554,26 @@ DEFINE_LOCK_GUARD_1(raw_spinlock_irqsave, raw_spinlock_t,
> raw_spin_unlock_irqrestore(_T->lock, _T->flags),
> unsigned long flags)
>
> +DEFINE_LOCK_GUARD_1(hard_spinlock, hard_spinlock_t,
> + hard_spin_lock((raw_spinlock_t *)_T->lock),
> + hard_spin_unlock((raw_spinlock_t *)_T->lock))
> +
> +DEFINE_LOCK_GUARD_1(hard_spinlock_nested, hard_spinlock_t,
> + hard_spin_lock_nested((raw_spinlock_t *)_T->lock,
> + SINGLE_DEPTH_NESTING),
> + hard_spin_unlock((raw_spinlock_t *)_T->lock))
> +
> +DEFINE_LOCK_GUARD_1(hard_spinlock_irq, hard_spinlock_t,
> + hard_spin_lock_irq((raw_spinlock_t *)_T->lock),
> + hard_spin_unlock_irq((raw_spinlock_t *)_T->lock))
> +
> +DEFINE_LOCK_GUARD_1(hard_spinlock_irqsave, hard_spinlock_t,
> + hard_spin_lock_irqsave((raw_spinlock_t *)_T->lock,
> + _T->flags),
> + hard_spin_unlock_irqrestore((raw_spinlock_t *)_T->lock,
> + _T->flags),
> + unsigned long flags)
> +
> DEFINE_LOCK_GUARD_1(spinlock, spinlock_t,
> spin_lock(_T->lock),
> spin_unlock(_T->lock))
Series merged, thanks.
--
Philippe.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-12-09 9:02 [dovetail-6.7][PATCH 1/2] genirq: irq_pipeline: Add lock guard support for hard spinlocks Jan Kiszka
2023-12-12 8:39 ` Philippe Gerum
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