On Fri, Jan 18, 2019 at 05:18:34PM +0100, Arnd Bergmann wrote: > The time, stime, utime, utimes, and futimesat system calls are only > used on older architectures, and we do not provide y2038 safe variants > of them, as they are replaced by clock_gettime64, clock_settime64, > and utimensat_time64. > > However, for consistency it seems better to have the 32-bit architectures > that still use them call the "time32" entry points (leaving the > traditional handlers for the 64-bit architectures), like we do for system > calls that now require two versions. > > Note: We used to always define __ARCH_WANT_SYS_TIME and > __ARCH_WANT_SYS_UTIME and only set __ARCH_WANT_COMPAT_SYS_TIME and > __ARCH_WANT_SYS_UTIME32 for compat mode on 64-bit kernels. Now this is > reversed: only 64-bit architectures set __ARCH_WANT_SYS_TIME/UTIME, while > we need __ARCH_WANT_SYS_TIME32/UTIME32 for 32-bit architectures and compat > mode. The resulting asm/unistd.h changes look a bit counterintuitive. > > This is only a cleanup patch and it should not change any behavior. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> ... > arch/s390/include/asm/unistd.h | 2 +- For the s390 bits: Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
