From: Doug Chapman Fixes userspace build errors when linux/ipv6.h is included such as in the dhcpv6 package under fedora. Likely causes other userspace build errors as well. I found this in akpm's tree from 2.6.18 but could not find any case of anyone proposing it for the main tree. Signed-off-by: Doug Chapman Cc: "Luck, Tony" Signed-off-by: Andrew Morton --- include/asm-ia64/gcc_intrin.h | 2 ++ 1 file changed, 2 insertions(+) diff -puN include/asm-ia64/gcc_intrin.h~ia64-fix-userspace-compile-error-in-gcc_intrinh include/asm-ia64/gcc_intrin.h --- a/include/asm-ia64/gcc_intrin.h~ia64-fix-userspace-compile-error-in-gcc_intrinh +++ a/include/asm-ia64/gcc_intrin.h @@ -24,7 +24,9 @@ extern void ia64_bad_param_for_setreg (void); extern void ia64_bad_param_for_getreg (void); +#ifdef __KERNEL__ register unsigned long ia64_r13 asm ("r13") __used; +#endif #define ia64_setreg(regnum, val) \ ({ \ _