GCC v6+ supports x86 segment qualifiers (__seg_gs and __seg_fs). Define COMPILER_HAS_X86_SEG_SUPPORT when it is supported.
Signed-off-by: Nadav Amit <na...@vmware.com> --- include/linux/compiler-gcc.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index e8579412ad21..787b5971e41f 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -149,6 +149,10 @@ #define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 #endif +#if GCC_VERSION >= 60000 +#define COMPILER_HAS_X86_SEG_SUPPORT 1 +#endif + /* * Turn individual warnings and errors on and off locally, depending * on version. -- 2.17.1
