On Fri, Feb 03, 2012 at 12:00:03PM -0800, Linus Torvalds wrote: > On Fri, Feb 3, 2012 at 11:16 AM, Andrew MacLeod <amacleod@xxxxxxxxxx> wrote: [ . . . ] > Having access to __ATOMIC_ACQUIRE would actually be an improvement - > it's just that the architectures that really care about things like > that simply don't matter enough for us to really worry about them > (ia64 being the prime example), and everybody else either doesn't need > extra barriers at all (x86), or might as well use a full barrier (most > everything else). I believe that version 8 of the ARM architecture will provide load-acquire and store-release instructions. Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|