On Fri, 19 Jul 2013, Will Deacon wrote: > Looks good to me. The current scheme would be very fiddly to extend to > 64-bit values on 32-bit architectures without cheap atomic doubleword > accesses.
You should have a look at include/linux/cnt32_to_63.h. This could be applied to pure software counters if the low part is atomically increased. Nicolas -- 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/
