target-i386: Allow interrupt injection after STGI

We need to terminate the translation block after STGI so that pending
interrupts can be injected.

This fixes pending NMI injection for Jailhouse which uses "stgi; clgi"
to open a brief injection window.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-Id: <37939b244dda0e9cccf96ce50f2b15df1e48315d.1522769774.git.jan.kiszka@web.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/target/i386/translate.c b/target/i386/translate.c
index c918494..07d185e 100644 (file)
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -7444,8 +7444,9 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
                 break;
             }
             gen_update_cc_op(s);
-            gen_jmp_im(pc_start - s->cs_base);
             gen_helper_stgi(cpu_env);
+            gen_jmp_im(s->pc - s->cs_base);
+            gen_eob(s);
             break;
 
         case 0xdd: /* CLGI */