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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