tcg: move tb_ctx.tb_phys_invalidate_count to tcg_ctx

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>

1 files changed, 3 insertions, 0 deletions

diff --git a/tcg/tcg.h b/tcg/tcg.h
index 1e6df1906f..e49b289ba1 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -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);