diff mbox

[PULL,02/41] replay: improve interrupt handling

Message ID 1485524749-118532-3-git-send-email-pbonzini@redhat.com
State New
Headers show

Commit Message

Paolo Bonzini Jan. 27, 2017, 1:45 p.m. UTC 
From: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>

This patch improves interrupt handling in record/replay mode.
Now "interrupt" event is saved only when cc->cpu_exec_interrupt returns true.
This patch also adds missing return to cpu_exec_interrupt function.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20170124071708.4572.64023.stgit@PASHA-ISP>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 cpu-exec.c               | 2 +-
 target/i386/seg_helper.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/cpu-exec.c b/cpu-exec.c
index 4188fed..fa08c73 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -508,8 +508,8 @@  static inline void cpu_handle_interrupt(CPUState *cpu,
            True when it is, and we should restart on a new TB,
            and via longjmp via cpu_loop_exit.  */
         else {
-            replay_interrupt();
             if (cc->cpu_exec_interrupt(cpu, interrupt_request)) {
+                replay_interrupt();
                 *last_tb = NULL;
             }
             /* The target hook may have updated the 'cpu->interrupt_request';
diff --git a/target/i386/seg_helper.c b/target/i386/seg_helper.c
index fb79f31..d24574d 100644
--- a/target/i386/seg_helper.c
+++ b/target/i386/seg_helper.c
@@ -1331,6 +1331,7 @@  bool x86_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
 #endif
     if (interrupt_request & CPU_INTERRUPT_SIPI) {
         do_cpu_sipi(cpu);
+        ret = true;
     } else if (env->hflags2 & HF2_GIF_MASK) {
         if ((interrupt_request & CPU_INTERRUPT_SMI) &&
             !(env->hflags & HF_SMM_MASK)) {