Date: Thu, 23 Aug 2012 16:54:20 +0200 From: Luigi Rizzo <rizzo@iet.unipi.it> To: current@freebsd.org Subject: TUNABLE_INT vs TUNABLE_INT_FETCH Message-ID: <20120823145420.GB3103@onelab2.iet.unipi.it>
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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. As a matter of fact, as i read the definitions in sys/kernel.h I almost wonder whether we need the TUNABLE_INT form at all. can anyone help clarify the differences ? thanks luigi
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