> From: Paolo Bonzini [mailto:pbonz...@redhat.com] > On 11/01/2018 09:25, Pavel Dovgalyuk wrote: > > It is needed when exception_index is already set to some meaningful value. > > > > Signed-off-by: Pavel Dovgalyuk <pavel.dovga...@ispras.ru> > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > > --- > > accel/tcg/cpu-exec.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c > > index 280200f..9cc6972 100644 > > --- a/accel/tcg/cpu-exec.c > > +++ b/accel/tcg/cpu-exec.c > > @@ -585,6 +585,7 @@ static inline bool cpu_handle_interrupt(CPUState *cpu, > > else { > > if (cc->cpu_exec_interrupt(cpu, interrupt_request)) { > > replay_interrupt(); > > + cpu->exception_index = -1; > > *last_tb = NULL; > > } > > /* The target hook may have updated the > > 'cpu->interrupt_request'; > > @@ -606,7 +607,9 @@ static inline bool cpu_handle_interrupt(CPUState *cpu, > > if (unlikely(atomic_read(&cpu->exit_request) > > || (use_icount && cpu->icount_decr.u16.low + cpu->icount_extra == > > 0))) { > > atomic_set(&cpu->exit_request, 0); > > - cpu->exception_index = EXCP_INTERRUPT; > > + if (cpu->exception_index == -1) { > > + cpu->exception_index = EXCP_INTERRUPT; > > + } > > return true; > > } > > > > > > Where does my S-o-b come from? :)
Because you proposed first version of this code, I think. Pavel Dovgalyuk