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tcg: move tb_ctx.tb_phys_invalidate_count to tcg_ctx

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Thereby making it per-TCGContext. Once we remove tb_lock, this will
avoid an atomic increment every time a TB is invalidated.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Emilio G. Cota 2017-08-01 15:11:12 -04:00 • committed by Richard Henderson
parent be2cdc5e35
commit 128ed2278c
4 changed files with 20 additions and 3 deletions
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3
tcg/tcg.h
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@ -695,6 +695,8 @@ struct TCGContext {
/* Threshold to flush the translated code buffer. */
void *code_gen_highwater;
size_t tb_phys_invalidate_count;
/* Track which vCPU triggers events */
CPUState *cpu; /* *_trans */
@ -868,6 +870,7 @@ size_t tcg_code_capacity(void);
void tcg_tb_insert(TranslationBlock *tb);
void tcg_tb_remove(TranslationBlock *tb);
size_t tcg_tb_phys_invalidate_count(void);
TranslationBlock *tcg_tb_lookup(uintptr_t tc_ptr);
void tcg_tb_foreach(GTraverseFunc func, gpointer user_data);
size_t tcg_nb_tbs(void);