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replay: improve interrupt handling 

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>
This commit is contained in:
Pavel Dovgalyuk 2017-01-24 10:17:08 +03:00 committed by Paolo Bonzini
parent 8094532b47
commit d718b14b8c
2 changed files with 2 additions and 1 deletions
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2
cpu-exec.c
View File

@ -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';

1
target/i386/seg_helper.c
View File

@ -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)) {