On Sun, Feb 26, 2017 at 2:01 AM, Dmitry V. Levin <ldv@xxxxxxxxxxxx> wrote: > Include <stddef.h> (guarded by #ifndef __KERNEL__) to fix asm/signal.h > userspace compilation errors like this: > > /usr/include/asm/signal.h:126:2: error: unknown type name 'size_t' > size_t ss_size; > > As no uapi header provides a definition of size_t, inclusion > of <stddef.h> seems to be the most conservative fix available. > > On the kernel side size_t is typedef'ed to __kernel_size_t, so > an alternative fix would be to change the type of sigaltstack.ss_size > from size_t to __kernel_size_t for all architectures except those where > sizeof(size_t) < sizeof(__kernel_size_t), namely, x32 and mips n32. > > On x32 and mips n32, however, #include <stddef.h> seems to be the most > straightforward way to obtain the definition for sigaltstack.ss_size's > type. > > Signed-off-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx> I'm not sure if this is the best fix. We generally should not include one standard header from another standard header. Would it be possible to use __kernel_size_t instead of size_t? Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-alpha" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html