Messages in this thread | | | Date | Sat, 16 May 2015 09:21:14 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH 17/19] y2038: use __kernel_timespec in sys_futex |
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On Sat, 16 May 2015, Thomas Gleixner wrote: > On Wed, 6 May 2015, Arnd Bergmann wrote: > > > Conversion for sys_futex is particularly easy, we can use the unmodified > > compat_sys_futex on 32-bit systems to provide compatibility for 32-bit > > time_t, and change sys_futex to pass a __kernel_timespec, which matches > > what future libc implementations will use as their struct timespec. > > Unless I'm missing something I doubt that you get away that easy. It > works on 32bit, but not on 64 bit with 32bit app support: > > Native 64bit: sys_futex() > 32bit timespec32: compat_sys_futex() > 32bit timespec64: ????? > > You cannot map that to sys_futex() because the pointer size differs.
Ignore that. You are right. Review induced brainmelt....
tglx
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