From: Thomas Gleixner <tglx@linutronix.de>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
Daniel Bristot de Oliveira <bristot@kernel.org>,
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>,
Waiman Long <longman@redhat.com>, Will Deacon <will@kernel.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: Re: [PATCH v5 net-next 01/15] locking/local_lock: Introduce guard definition for local_lock.
Date: Fri, 07 Jun 2024 15:55:03 +0200 [thread overview]
Message-ID: <878qzg26yw.ffs@tglx> (raw)
In-Reply-To: <20240607070427.1379327-2-bigeasy@linutronix.de>
On Fri, Jun 07 2024 at 08:53, 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..82366a37f4474 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_GUARD(local_lock, local_lock_t __percpu*,
> + local_lock(_T),
> + local_unlock(_T))
> +DEFINE_GUARD(local_lock_irq, local_lock_t __percpu*,
> + local_lock_irq(_T),
> + local_unlock_irq(_T))
> +DEFINE_LOCK_GUARD_1(local_lock_irqsave, local_lock_t __percpu,
> + local_lock_irqsave(_T->lock, _T->flags),
> + local_unlock_irqrestore(_T->lock, _T->flags),
> + unsigned long flags)
> +
> #endif
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
next prev parent reply other threads:[~2024-06-07 13:55 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-07 6:53 [PATCH v5 net-next 00/15] locking: Introduce nested-BH locking Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 01/15] locking/local_lock: Introduce guard definition for local_lock Sebastian Andrzej Siewior
2024-06-07 8:50 ` Peter Zijlstra
2024-06-07 13:55 ` Thomas Gleixner [this message]
2024-06-07 6:53 ` [PATCH v5 net-next 02/15] locking/local_lock: Add local nested BH locking infrastructure Sebastian Andrzej Siewior
2024-06-07 8:52 ` Peter Zijlstra
2024-06-07 13:55 ` Thomas Gleixner
2024-06-07 6:53 ` [PATCH v5 net-next 03/15] net: Use __napi_alloc_frag_align() instead of open coding it Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 04/15] net: Use nested-BH locking for napi_alloc_cache Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 05/15] net/tcp_sigpool: Use nested-BH locking for sigpool_scratch Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 06/15] net/ipv4: Use nested-BH locking for ipv4_tcp_sk Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 07/15] netfilter: br_netfilter: Use nested-BH locking for brnf_frag_data_storage Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 08/15] net: softnet_data: Make xmit.recursion per task Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 09/15] dev: Remove PREEMPT_RT ifdefs from backlog_lock.*() Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 10/15] dev: Use nested-BH locking for softnet_data.process_queue Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 11/15] lwt: Don't disable migration prio invoking BPF Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 12/15] seg6: Use nested-BH locking for seg6_bpf_srh_states Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 13/15] net: Use nested-BH locking for bpf_scratchpad Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 14/15] net: Reference bpf_redirect_info via task_struct on PREEMPT_RT Sebastian Andrzej Siewior
2024-06-07 11:51 ` Jesper Dangaard Brouer
2024-06-10 16:50 ` Sebastian Andrzej Siewior
2024-06-11 7:55 ` Jesper Dangaard Brouer
2024-06-11 8:39 ` Sebastian Andrzej Siewior
2024-06-12 10:42 ` Sebastian Andrzej Siewior
2024-06-07 6:53 ` [PATCH v5 net-next 15/15] net: Move per-CPU flush-lists to bpf_net_context " Sebastian Andrzej Siewior
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