On Thursday 15 November 2012, H.J. Lu wrote: > On Thu, Nov 15, 2012 at 1:14 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > > On Wednesday 14 November 2012, H. Peter Anvin wrote: > >> On 11/14/2012 04:18 AM, Arnd Bergmann wrote: > >> > Since we are in the review phase for two new architectures that we > >> > should be merging into the mainline kernel, I think we need to > >> > come up with a solution for making them use a proper 64-bit time_t. > >> > > >> > Right now, the only 32-bit user space interface we have to use 64-bit > >> > time_t is the x32 side of x86-64, and that works by overriding all > >> > "long" sized types to be 64 bit at the ABI level, which we don't > >> > want for pure 32 bit architectures. > >> > >> Sort of. Either way, the kernel headers aren't really x32-clean yet, so > >> we have an opportunity to do things more cleanly as we are implementing > >> this. > > > > Ah, I didn't know that. How does one build an x32 libc then? > > Glibc has been providing its own types for years. > Kernel provided types used to be wrong for ia32 > on x86-64. What about ioctls and other calls then that actually do rely on the kernel headers and use the __kernel_*_t types? Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
