Stop taking TARGET_VIRT_ADDR_SPACE_BITS into account.
Since we currently bound CPU_TLB_DYN_MAX_BITS to 22,
the new bound with a 4k page size is 20, which isn't
so different.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
accel/tcg/tlb-bounds.h | 21 +--------------------
1 file changed, 1 insertion(+), 20 deletions(-)
diff --git a/accel/tcg/tlb-bounds.h b/accel/tcg/tlb-bounds.h
index efd34d4793..f83d9ac9ee 100644
--- a/accel/tcg/tlb-bounds.h
+++ b/accel/tcg/tlb-bounds.h
@@ -7,26 +7,7 @@
#define ACCEL_TCG_TLB_BOUNDS_H
#define CPU_TLB_DYN_MIN_BITS 6
+#define CPU_TLB_DYN_MAX_BITS (32 - TARGET_PAGE_BITS)
#define CPU_TLB_DYN_DEFAULT_BITS 8
-# if HOST_LONG_BITS == 32
-/* Make sure we do not require a double-word shift for the TLB load */
-# define CPU_TLB_DYN_MAX_BITS (32 - TARGET_PAGE_BITS)
-# else /* HOST_LONG_BITS == 64 */
-/*
- * Assuming TARGET_PAGE_BITS==12, with 2**22 entries we can cover 2**(22+12) ==
- * 2**34 == 16G of address space. This is roughly what one would expect a
- * TLB to cover in a modern (as of 2018) x86_64 CPU. For instance, Intel
- * Skylake's Level-2 STLB has 16 1G entries.
- * Also, make sure we do not size the TLB past the guest's address space.
- */
-# ifdef TARGET_PAGE_BITS_VARY
-# define CPU_TLB_DYN_MAX_BITS \
- MIN(22, TARGET_VIRT_ADDR_SPACE_BITS - TARGET_PAGE_BITS)
-# else
-# define CPU_TLB_DYN_MAX_BITS \
- MIN_CONST(22, TARGET_VIRT_ADDR_SPACE_BITS - TARGET_PAGE_BITS)
-# endif
-# endif
-
#endif /* ACCEL_TCG_TLB_BOUNDS_H */
--
2.43.0