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tcg: Bake tb_destroy() into tcg_region_tree

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The function is called only at tcg_gen_code() when duplicated TBs
are translated by different threads, and when the tcg_region_tree
is reset. Bake it into the underlying GTree as its value destroy
function to unite these situations.
Also remove tcg_region_tree_traverse() which now becomes useless.

Signed-off-by: Liren Wei <lrwei@bupt.edu.cn>
Message-Id: <8dc352f08d038c4e7a1f5f56962398cdc700c3aa.1625404483.git.lrwei@bupt.edu.cn>
[rth: Name the new tb_tc_cmp parameter correctly.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Liren Wei 2021-07-04 22:31:27 +08:00 • committed by Richard Henderson
parent f4cba756cb
commit 834361efd9
3 changed files with 8 additions and 18 deletions
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6
accel/tcg/translate-all.c
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@ -378,11 +378,6 @@ static int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb,
return 0;
}
void tb_destroy(TranslationBlock *tb)
{
qemu_spin_destroy(&tb->jmp_lock);
}
bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit)
{
/*
@ -1681,7 +1676,6 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
orig_aligned -= ROUND_UP(sizeof(*tb), qemu_icache_linesize);
qatomic_set(&tcg_ctx->code_gen_ptr, (void *)orig_aligned);
tb_destroy(tb);
tcg_tb_remove(tb);
return existing_tb;
}