target/i386: Exit tb after wrmsr

At minimum, wrmsr can change efer, which affects HF_LMA.

Cc: qemu-stable@nongnu.org
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-46-richard.henderson@linaro.org>
(cherry picked from commit 244843b757220c432e0e9ae8d2210218c034730d)
Signed-off-by: Michael Roth <michael.roth@amd.com>

diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index 880bc455612aa9757a065723206e610faba1cb50..6b713b4fff7c466bd864d4af579231416eb55f38 100644 (file)
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -7198,6 +7198,8 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
                 gen_helper_rdmsr(cpu_env);
             } else {
                 gen_helper_wrmsr(cpu_env);
+                gen_jmp_im(s, s->pc - s->cs_base);
+                gen_eob(s);
             }
         }
         break;