On 18 November 2014 22:13, Thomas Gleixner <[email protected]> wrote: > On Tue, 18 Nov 2014, pang.xunlei wrote: >> On 32bit systems, the kernel uses a 32bit signed time_t value >> for seconds since 1970-01-01:00:00:00. This will overflow at >> 2038-01-19 03:14:08, and is widely known as the y2038 problem. >> >> To address this, the plan is to create 64bit internal interfaces >> which are 2038 safe, mark the unsafe versions as deprecated and >> then convert subsystems one by one over to the new interfaces. >> Once all users are converted, the deprecated internal functions >> will be removed. >> >> NOTE: In some cases, there are issues with 32bit values that are >> unsigned, and thus become y2106 issues. Since its somewhat simpler >> to unify the time types, we'll try to convert those usage to 64bit >> where it can be easily done. In those cases where a fix would be >> overly complicated, we'll simply explicitly mark the limitation. >> >> This patchset introduces the 64bit interfaces needed to convert >> the drivers/rtc subsystem, and to keep it relatively short some >> patches to demonstrate how the conversion will be done. If the >> feedback is positive on this series, we'll provide the full >> conversion series as well. > > That looks way better than the last attempt. Hi Thomas,
Thanks for your affirmation and former suggestions. I'll send the another succeeding patchset later. Regards, Xunlei > > Thanks, > > tglx -- 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/
