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tcg: Remove needless CPUState::current_tb

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This field was used for telling cpu_interrupt() to unlink a chain of TBs
being executed when it worked that way. Now, cpu_interrupt() don't do
this anymore. So we don't need this field anymore.

Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Message-Id: <1462273462-14036-1-git-send-email-sergey.fedorov@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Sergey Fedorov
2016-05-03 14:04:22 +03:00
committed by Richard Henderson
parent a0522c7a55
commit 3213525f8a
7 changed files with 2 additions and 41 deletions
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4
cpu-exec.c
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@@ -216,11 +216,9 @@ static void cpu_exec_nocache(CPUState *cpu, int max_cycles,
| (ignore_icount ? CF_IGNORE_ICOUNT : 0));
tb->orig_tb = cpu->tb_flushed ? NULL : orig_tb;
cpu->tb_flushed |= old_tb_flushed;
cpu->current_tb = tb;
/* execute the generated code */
trace_exec_tb_nocache(tb, tb->pc);
cpu_tb_exec(cpu, tb);
cpu->current_tb = NULL;
tb_phys_invalidate(tb, -1);
tb_free(tb);
}
@@ -532,9 +530,7 @@ int cpu_exec(CPUState *cpu)
uintptr_t ret;
trace_exec_tb(tb, tb->pc);
/* execute the generated code */
cpu->current_tb = tb;
ret = cpu_tb_exec(cpu, tb);
cpu->current_tb = NULL;
last_tb = (TranslationBlock *)(ret & ~TB_EXIT_MASK);
tb_exit = ret & TB_EXIT_MASK;
switch (tb_exit) {