On Thu, Jun 4, 2015 at 10:54 AM, George Spelvin <li...@horizon.com> wrote: > > Actually, the current code uses three timestamps: one before the last > read of the unwanted value, one in the middle, and one after the > read of the target value (bit set in this case).
Yes, right you are. All are valid and interesting. Linus -- 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/