Re: [PATCH 1/3] kernel.h: Add DO_ONCE statement expression macro

[Al Viro]

On Thu, May 21, 2009 at 04:00:22PM -0700, Joe Perches wrote:
> Add a DO_ONCE statement expression analogous to printk_once
> that executes any arbitrary statement exactly once.
> 
> This will take the place of printk_once so that
> DO_ONCE(pr_<foo>) or any other statement performed
> a single time may be easily written.

Interesting, how telling somebody that they need to learn C is considered
an unacceptable thing to do.  Hostile to newbies, or some such.  Introducing
more magic that has to be learnt if one wants to read the kernel source, OTOH,
is just fine...
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/