From: Jonathan Corbet <corbet@lwn.net>
To: Federico Vaga <federico.vaga@vaga.pv.it>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH] doc:lock: remove reference to clever use of read-write lock
Date: Sat, 31 Aug 2019 08:43:44 -0600 [thread overview]
Message-ID: <20190831084344.6fd7c039@lwn.net> (raw)
In-Reply-To: <20190831134116.25417-1-federico.vaga@vaga.pv.it>
On Sat, 31 Aug 2019 15:41:16 +0200
Federico Vaga <federico.vaga@vaga.pv.it> wrote:
> several CPU's and you want to use spinlocks you can potentially use
> -cheaper versions of the spinlocks. IFF you know that the spinlocks are
> +cheaper versions of the spinlocks. If you know that the spinlocks are
> never used in interrupt handlers, you can use the non-irq versions::
I suspect that was not actually a typo; "iff" is a way for the
mathematically inclined to say "if and only if".
jon
next prev parent reply other threads:[~2019-08-31 14:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-31 13:41 [PATCH] doc:lock: remove reference to clever use of read-write lock Federico Vaga
2019-08-31 14:43 ` Jonathan Corbet [this message]
2019-09-02 7:01 ` Federico Vaga
2019-09-02 18:10 ` Ingo Molnar
2019-09-02 19:19 ` Federico Vaga
2019-09-02 20:21 ` Jonathan Corbet
2019-09-02 21:07 ` Federico Vaga
2019-09-03 2:38 ` Matthew Wilcox
2019-09-05 8:21 ` Federico Vaga
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