From: "André Almeida" <andrealmeid@igalia.com>
To: Uros Bizjak <ubizjak@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Darren Hart <dvhart@infradead.org>,
Davidlohr Bueso <dave@stgolabs.net>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] futex: Use atomic64_inc_return() in get_inode_sequence_number()
Date: Thu, 10 Oct 2024 15:05:53 -0300 [thread overview]
Message-ID: <f8db7927-cbbe-4cf9-bab5-4bf4465a637f@igalia.com> (raw)
In-Reply-To: <20241010071023.21913-1-ubizjak@gmail.com>
Em 10/10/2024 04:10, Uros Bizjak escreveu:
> Use atomic64_inc_return(&ref) instead of atomic64_add_return(1, &ref)
> to use optimized implementation and ease register pressure around
> the primitive for targets that implement optimized variant.
>
> Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Darren Hart <dvhart@infradead.org>
> Cc: Davidlohr Bueso <dave@stgolabs.net>
> Cc: "André Almeida" <andrealmeid@igalia.com>
> ---
Reviewed-by: André Almeida <andrealmeid@igalia.com>
next prev parent reply other threads:[~2024-10-10 18:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-10 7:10 Uros Bizjak
2024-10-10 7:10 ` [PATCH 2/2] futex: Use atomic64_try_cmpxchg_relaxed() " Uros Bizjak
2024-10-10 18:06 ` André Almeida
2024-10-17 20:10 ` [tip: locking/core] " tip-bot2 for Uros Bizjak
2024-10-10 18:05 ` André Almeida [this message]
2024-10-17 20:10 ` [tip: locking/core] futex: Use atomic64_inc_return() " tip-bot2 for Uros Bizjak
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