target/arm: check CF_PARALLEL instead of parallel_cpus

[mirror_qemu.git] / target / arm / translate.c

diff --git a/target/arm/translate.c b/target/arm/translate.c
index dfa547b1db066ac0323e8a1498983331e5b33c09..397cc7afea25861866b754b43a78f01b373ba360 100644 (file)
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -4546,8 +4546,13 @@ static void gen_exception_return(DisasContext *s, TCGv_i32 pc)
 static void gen_nop_hint(DisasContext *s, int val)
 {
     switch (val) {
+        /* When running in MTTCG we don't generate jumps to the yield and
+         * WFE helpers as it won't affect the scheduling of other vCPUs.
+         * If we wanted to more completely model WFE/SEV so we don't busy
+         * spin unnecessarily we would need to do something more involved.
+         */
     case 1: /* yield */
-        if (!parallel_cpus) {
+        if (!(tb_cflags(s->base.tb) & CF_PARALLEL)) {
             gen_set_pc_im(s, s->pc);
             s->base.is_jmp = DISAS_YIELD;
         }
@@ -4557,7 +4562,7 @@ static void gen_nop_hint(DisasContext *s, int val)
         s->base.is_jmp = DISAS_WFI;
         break;
     case 2: /* wfe */
-        if (!parallel_cpus) {
+        if (!(tb_cflags(s->base.tb) & CF_PARALLEL)) {
             gen_set_pc_im(s, s->pc);
             s->base.is_jmp = DISAS_WFE;
         }