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cpu-exec: remove unnecessary check of cpu->exit_request 

The cpu->exit_request check in cpu_loop_exec_tb is unnecessary,
because cpu->tcg_exit_req is always set after cpu->exit_request.
So let the TB exit and we will pick up the exit request later
in cpu_handle_interrupt.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-02-07 16:26:47 +01:00
parent cfb2d02be9
commit 55ac0a9bf4
1 changed files with 0 additions and 4 deletions
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4
cpu-exec.c
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@ -535,10 +535,6 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
uintptr_t ret;
int32_t insns_left;
if (unlikely(atomic_read(&cpu->exit_request))) {
return;
}
trace_exec_tb(tb, tb->pc);
ret = cpu_tb_exec(cpu, tb);
tb = (TranslationBlock *)(ret & ~TB_EXIT_MASK);