| Message ID | 20231215171020.687342-2-bigeasy@linutronix.de |
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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To: linux-kernel@vger.kernel.org,
netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
Boqun Feng <boqun.feng@gmail.com>,
Daniel Borkmann <daniel@iogearbox.net>,
Eric Dumazet <edumazet@google.com>,
Frederic Weisbecker <frederic@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Waiman Long <longman@redhat.com>,
Will Deacon <will@kernel.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [PATCH net-next 01/24] locking/local_lock: Introduce guard definition
for local_lock.
Date: Fri, 15 Dec 2023 18:07:20 +0100
Message-ID: <20231215171020.687342-2-bigeasy@linutronix.de>
In-Reply-To: <20231215171020.687342-1-bigeasy@linutronix.de>
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|
| Series |
locking: Introduce nested-BH locking.
|
|
Commit Message
Sebastian Andrzej Siewior
Dec. 15, 2023, 5:07 p.m. UTC
Introduce lock guard definition for local_lock_t. There are no users
yet.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/local_lock.h | 11 +++++++++++
1 file changed, 11 insertions(+)
Comments
On Fri, 2023-12-15 at 18:07 +0100, Sebastian Andrzej Siewior wrote: > Introduce lock guard definition for local_lock_t. There are no users > yet. > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> > --- > include/linux/local_lock.h | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/include/linux/local_lock.h b/include/linux/local_lock.h > index e55010fa73296..706c4b65d9449 100644 > --- a/include/linux/local_lock.h > +++ b/include/linux/local_lock.h > @@ -51,4 +51,15 @@ > #define local_unlock_irqrestore(lock, flags) \ > __local_unlock_irqrestore(lock, flags) > > +DEFINE_LOCK_GUARD_1(local_lock, local_lock_t, > + local_lock(_T->lock), > + local_unlock(_T->lock)) > +DEFINE_LOCK_GUARD_1(local_lock_irq, local_lock_t, > + local_lock_irq(_T->lock), > + local_unlock_irq(_T->lock)) DEFINE_GUARD should fit for the 2 above, right? Cheers, Paolo
On 2023-12-18 09:16:49 [+0100], Paolo Abeni wrote: > > --- a/include/linux/local_lock.h > > +++ b/include/linux/local_lock.h > > @@ -51,4 +51,15 @@ > > #define local_unlock_irqrestore(lock, flags) \ > > __local_unlock_irqrestore(lock, flags) > > > > +DEFINE_LOCK_GUARD_1(local_lock, local_lock_t, > > + local_lock(_T->lock), > > + local_unlock(_T->lock)) > > +DEFINE_LOCK_GUARD_1(local_lock_irq, local_lock_t, > > + local_lock_irq(_T->lock), > > + local_unlock_irq(_T->lock)) > > DEFINE_GUARD should fit for the 2 above, right? Yes, that will work. Let me update it. > Cheers, > > Paolo Sebastian
diff --git a/include/linux/local_lock.h b/include/linux/local_lock.h index e55010fa73296..706c4b65d9449 100644 --- a/include/linux/local_lock.h +++ b/include/linux/local_lock.h @@ -51,4 +51,15 @@ #define local_unlock_irqrestore(lock, flags) \ __local_unlock_irqrestore(lock, flags) +DEFINE_LOCK_GUARD_1(local_lock, local_lock_t, + local_lock(_T->lock), + local_unlock(_T->lock)) +DEFINE_LOCK_GUARD_1(local_lock_irq, local_lock_t, + local_lock_irq(_T->lock), + local_unlock_irq(_T->lock)) +DEFINE_LOCK_GUARD_1(local_lock_irqsave, local_lock_t, + local_lock_irqsave(_T->lock, _T->flags), + local_unlock_irqrestore(_T->lock, _T->flags), + unsigned long flags) + #endif