s390x/tcg: io instructions don't need potential_page_fault()

As we handle the retaddr in all cases properly now, we can drop it.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171130162744.25442-10-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 85d0a6c3aff7f2c735e6a2891dfabe3856c8056d..d0859c4bc76f43fca638b6e23e88532bea2d04d2 100644 (file)
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4008,7 +4008,6 @@ static ExitStatus op_spx(DisasContext *s, DisasOps *o)
 static ExitStatus op_xsch(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_xsch(cpu_env, regs[1]);
     set_cc_static(s);
     return NO_EXIT;
@@ -4017,7 +4016,6 @@ static ExitStatus op_xsch(DisasContext *s, DisasOps *o)
 static ExitStatus op_csch(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_csch(cpu_env, regs[1]);
     set_cc_static(s);
     return NO_EXIT;
@@ -4026,7 +4024,6 @@ static ExitStatus op_csch(DisasContext *s, DisasOps *o)
 static ExitStatus op_hsch(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_hsch(cpu_env, regs[1]);
     set_cc_static(s);
     return NO_EXIT;
@@ -4035,7 +4032,6 @@ static ExitStatus op_hsch(DisasContext *s, DisasOps *o)
 static ExitStatus op_msch(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_msch(cpu_env, regs[1], o->in2);
     set_cc_static(s);
     return NO_EXIT;
@@ -4044,7 +4040,6 @@ static ExitStatus op_msch(DisasContext *s, DisasOps *o)
 static ExitStatus op_rchp(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_rchp(cpu_env, regs[1]);
     set_cc_static(s);
     return NO_EXIT;
@@ -4053,7 +4048,6 @@ static ExitStatus op_rchp(DisasContext *s, DisasOps *o)
 static ExitStatus op_rsch(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_rsch(cpu_env, regs[1]);
     set_cc_static(s);
     return NO_EXIT;
@@ -4062,7 +4056,6 @@ static ExitStatus op_rsch(DisasContext *s, DisasOps *o)
 static ExitStatus op_ssch(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_ssch(cpu_env, regs[1], o->in2);
     set_cc_static(s);
     return NO_EXIT;
@@ -4071,7 +4064,6 @@ static ExitStatus op_ssch(DisasContext *s, DisasOps *o)
 static ExitStatus op_stsch(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_stsch(cpu_env, regs[1], o->in2);
     set_cc_static(s);
     return NO_EXIT;
@@ -4080,7 +4072,6 @@ static ExitStatus op_stsch(DisasContext *s, DisasOps *o)
 static ExitStatus op_tsch(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_tsch(cpu_env, regs[1], o->in2);
     set_cc_static(s);
     return NO_EXIT;
@@ -4089,7 +4080,6 @@ static ExitStatus op_tsch(DisasContext *s, DisasOps *o)
 static ExitStatus op_chsc(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_chsc(cpu_env, o->in2);
     set_cc_static(s);
     return NO_EXIT;