Now that TCG_GUEST_DEFAULT_MO is always defined,
simplify the tcg_req_mo() macro.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 accel/tcg/internal-target.h | 9 +--------
 accel/tcg/tcg-all.c         | 3 ---
 2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/accel/tcg/internal-target.h b/accel/tcg/internal-target.h
index 2cdf11c905e..1cb35dba99e 100644
--- a/accel/tcg/internal-target.h
+++ b/accel/tcg/internal-target.h
@@ -50,17 +50,10 @@ G_NORETURN void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr);
  * memory ordering vs the host memory ordering.  A non-zero
  * result indicates that some barrier is required.
  *
- * If TCG_GUEST_DEFAULT_MO is not defined, assume that the
- * guest requires strict ordering.
- *
  * This is a macro so that it's constant even without optimization.
  */
-#ifdef TCG_GUEST_DEFAULT_MO
-# define tcg_req_mo(type) \
+#define tcg_req_mo(type) \
     ((type) & TCG_GUEST_DEFAULT_MO & ~TCG_TARGET_DEFAULT_MO)
-#else
-# define tcg_req_mo(type) ((type) & ~TCG_TARGET_DEFAULT_MO)
-#endif
 
 /**
  * cpu_req_mo:
diff --git a/accel/tcg/tcg-all.c b/accel/tcg/tcg-all.c
index c1a30b01219..cb632cc8cc7 100644
--- a/accel/tcg/tcg-all.c
+++ b/accel/tcg/tcg-all.c
@@ -77,9 +77,6 @@ static bool default_mttcg_enabled(void)
         return false;
     }
 #ifdef TARGET_SUPPORTS_MTTCG
-# ifndef TCG_GUEST_DEFAULT_MO
-#  error "TARGET_SUPPORTS_MTTCG without TCG_GUEST_DEFAULT_MO"
-# endif
     return true;
 #else
     return false;
-- 
2.47.1