Signed-off-by: Emilio G. Cota <[email protected]>
---
include/exec/gen-icount.h | 1 +
translate-all.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/include/exec/gen-icount.h b/include/exec/gen-icount.h
index 05d89d3..f429821 100644
--- a/include/exec/gen-icount.h
+++ b/include/exec/gen-icount.h
@@ -16,6 +16,7 @@ static inline void gen_tb_start(TranslationBlock *tb)
exitreq_label = gen_new_label();
flag = tcg_temp_new_i32();
+ tcg_gen_smp_rmb();
tcg_gen_ld_i32(flag, cpu_env,
offsetof(CPUState, tcg_exit_req) - ENV_OFFSET);
tcg_gen_brcondi_i32(TCG_COND_NE, flag, 0, exitreq_label);
diff --git a/translate-all.c b/translate-all.c
index 12eaed7..76a0be8 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -1614,6 +1614,7 @@ static void tcg_handle_interrupt(CPUState *cpu, int mask)
cpu_abort(cpu, "Raised interrupt while not in I/O function");
}
} else {
+ smp_wmb();
cpu->tcg_exit_req = 1;
}
}
@@ -1791,6 +1792,7 @@ void dump_opcount_info(FILE *f, fprintf_function
cpu_fprintf)
void cpu_interrupt(CPUState *cpu, int mask)
{
atomic_or(&cpu->interrupt_request, mask);
+ smp_wmb();
cpu->tcg_exit_req = 1;
}
--
1.9.1
