On Fri, 2013-09-27 at 07:44 +0200, Ingo Molnar wrote:
> C cannot pass along symbolic names, unfortunately, so we are stuck with
> 1970's tech and the C preprocessor.
>
Yes, I realized that a bit too late.
> There's a way to make such macros look a tiny bit more structured and thus
> be more palatable:
>
> #if BITS_PER_LONG == 32 && defined(CONFIG_SMP)
> # define u64_stats_init(syncp) seqcount_init(syncp.seq)
> #else
> # define u64_stats_init(syncp)
> #endif
>
> Note, the 'else' branch should probably be:
>
> # define u64_stats_init(syncp) do { } while (0)
Yes, this is better ;)
Thanks !
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
