On Tue, Jan 14, 2014 at 10:28:23AM +0800, Daniel J Blueman wrote: > >Peter, > > > >I found out that the build failure was caused by the fact that the > >__native_word() macro (used internally by compiletime_assert_atomic()) > >allows only a size of 4 or 8 for x86-64. The data type that I used is a > >byte. Is there a reason why byte and short are not considered native? > > It seems likely it was implemented like that since there was no existing > need; long can be relied on as the largest native type, so this should > suffice and works here:
There's Alphas that cannot actually atomically adres a byte; I do not konw if Linux cares about them, but if it does, we cannot in fact rely on this in generic primitives like this. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
