On Mon, 20 Aug 2007, Mathieu Desnoyers wrote: > already present in cmpxchg_386_u32 tells much about how this cmpxchg > implementation should not be used in a SMP context. However, the cmpxchg_local > can perfectly use this fallback, since it only needs to be atomic wrt the > local > cpu.
Do you have an example where the use of cmpxchg_local is a performance benefit when actually used in code? cmpxchg is already problematic functionality since it is not available on all platforms. - 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/
