Re: [PATCH] doc:lock: remove reference to clever use of read-write lock
From: Federico Vaga
Date: Mon Sep 02 2019 - 03:01:36 EST
On Saturday, August 31, 2019 4:43:44 PM CEST Jonathan Corbet wrote:
> On Sat, 31 Aug 2019 15:41:16 +0200
> Federico Vaga <federico.vaga@xxxxxxxxxx> 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".
I learned something new today :)
I am not used to the mathematical English jargon. It make sense, but then I
would replace it with "If and only if": for clarity.