diff mbox series

[PULL,15/34] s390x/tcg: Always use MMU_USER_IDX for CONFIG_USER_ONLY

Message ID 20190919124115.11510-16-cohuck@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/34] s390x/tcg: Reset exception_index to -1 instead of 0 | expand

Commit Message

Cornelia Huck Sept. 19, 2019, 12:40 p.m. UTC 
From: David Hildenbrand <david@redhat.com>

Although we basically ignore the index all the time for CONFIG_USER_ONLY,
let's simply skip all the checks and always return MMU_USER_IDX in
cpu_mmu_index() and get_mem_index().

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/cpu.h       | 4 ++++
 target/s390x/translate.c | 4 ++++
 2 files changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index 79202c098096..163dae13d710 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -328,6 +328,9 @@  extern const VMStateDescription vmstate_s390_cpu;
 
 static inline int cpu_mmu_index(CPUS390XState *env, bool ifetch)
 {
+#ifdef CONFIG_USER_ONLY
+    return MMU_USER_IDX;
+#else
     if (!(env->psw.mask & PSW_MASK_DAT)) {
         return MMU_REAL_IDX;
     }
@@ -351,6 +354,7 @@  static inline int cpu_mmu_index(CPUS390XState *env, bool ifetch)
     default:
         abort();
     }
+#endif
 }
 
 static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc,
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index b0a2500e5f36..a3e43ff9ec0c 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -318,6 +318,9 @@  static inline uint64_t ld_code4(CPUS390XState *env, uint64_t pc)
 
 static int get_mem_index(DisasContext *s)
 {
+#ifdef CONFIG_USER_ONLY
+    return MMU_USER_IDX;
+#else
     if (!(s->base.tb->flags & FLAG_MASK_DAT)) {
         return MMU_REAL_IDX;
     }
@@ -333,6 +336,7 @@  static int get_mem_index(DisasContext *s)
         tcg_abort();
         break;
     }
+#endif
 }
 
 static void gen_exception(int excp)