TUNABLE_INT vs TUNABLE_INT_FETCH

Attilio Rao attilio at freebsd.org
Thu Aug 23 14:52:59 UTC 2012


On 8/23/12, Luigi Rizzo <rizzo at 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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