diff options
Diffstat (limited to 'cpu-exec.c')
| -rw-r--r-- | cpu-exec.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/cpu-exec.c b/cpu-exec.c index 6a30261a83..2c0a6f642d 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -357,9 +357,6 @@ int cpu_exec(CPUState *cpu) uintptr_t next_tb; SyncClocks sc; - /* This must be volatile so it is not trashed by longjmp() */ - volatile bool have_tb_lock = false; - if (cpu->halted) { if (!cpu_has_work(cpu)) { return EXCP_HALTED; @@ -468,8 +465,7 @@ int cpu_exec(CPUState *cpu) cpu->exception_index = EXCP_INTERRUPT; cpu_loop_exit(cpu); } - spin_lock(&tcg_ctx.tb_ctx.tb_lock); - have_tb_lock = true; + tb_lock(); tb = tb_find_fast(cpu); /* Note: we do it here to avoid a gcc bug on Mac OS X when doing it in tb_find_slow */ @@ -491,8 +487,7 @@ int cpu_exec(CPUState *cpu) tb_add_jump((TranslationBlock *)(next_tb & ~TB_EXIT_MASK), next_tb & TB_EXIT_MASK, tb); } - have_tb_lock = false; - spin_unlock(&tcg_ctx.tb_ctx.tb_lock); + tb_unlock(); if (likely(!cpu->exit_request)) { trace_exec_tb(tb, tb->pc); tc_ptr = tb->tc_ptr; @@ -558,10 +553,7 @@ int cpu_exec(CPUState *cpu) x86_cpu = X86_CPU(cpu); env = &x86_cpu->env; #endif - if (have_tb_lock) { - spin_unlock(&tcg_ctx.tb_ctx.tb_lock); - have_tb_lock = false; - } + tb_lock_reset(); } } /* for(;;) */ |