Date: Thu, 23 Aug 2012 15:52:56 +0100 From: Attilio Rao <attilio@freebsd.org> To: Luigi Rizzo <rizzo@iet.unipi.it> Cc: current@freebsd.org Subject: Re: TUNABLE_INT vs TUNABLE_INT_FETCH Message-ID: <CAJ-FndCSfXvEmYjuEi985JPoiZYStOaqdeYsjyepHS8C55Szkw@mail.gmail.com> In-Reply-To: <20120823145420.GB3103@onelab2.iet.unipi.it> References: <20120823145420.GB3103@onelab2.iet.unipi.it>
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On 8/23/12, Luigi Rizzo <rizzo@iet.unipi.it> wrote: > Hi, > I am a bit unclear on what are the pros and cons of using > TUNABLE_INT vs TUNABLE_INT_FETCH within a device driver. TUNABLE_INT is basically the "statically initializer" version of TUNABLE_INT_FETCH. In short terms, you will use TUNABLE_INT_FETCH() in normal functions, while TUNABLE_INT() in data declaration. Attilio -- Peace can only be achieved by understanding - A. Einstein
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