John Stultz <john.stu...@linaro.org> writes: > The timekeeper struct has a xtime_nsec, which keeps the > sub-nanosecond remainder. This ends up being somewhat > duplicative of the timekeeper.xtime.tv_nsec value, and we > have to do extra work to keep them apart, copying the full > nsec portion out and back in over and over. > > This patch simplifies some of the logic by taking the timekeeper > xtime value and splitting it into timekeeper.xtime_sec and > reuses the timekeeper.xtime_nsec for the sub-second portion > (stored in higher res shifted nanoseconds). > > This simplifies some of the accumulation logic. And will > allow for more accurate timekeeping once the vsyscall code > is updated to use the shifted nanosecond remainder.
This (together with b44d50d "time: Fix casting issue in tk_set_xtime and tk_xtime_add") is causing resume to hang on the iBook (PowerBook6,7). The fact that the add-on commit is needed to uncover the bug might give a hint, but I'm unable to decipher it. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." -- 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/