On 2020-07-07 18:36, Catalin Marinas wrote:
On Mon, Jun 01, 2020 at 10:47:13PM +0800, Zhenyu Ye wrote:
@@ -59,6 +69,47 @@
__ta; \
})
+/*
+ * __TG defines translation granule of the system, which is decided
by
+ * PAGE_SHIFT. Used by TTL.
+ * - 4KB : 1
+ * - 16KB : 2
+ * - 64KB : 3
+ */
+#define __TG ((PAGE_SHIFT - 12) / 2 + 1)
Nitpick: maybe something like __TLBI_TG to avoid clashes in case
someone
else defines a __TG macro.
I have commented on this in the past, and still maintain that this
would be better served by a switch statement similar to what is used
for TTL already (I don't think this magic formula exists in the
ARM ARM).
M.
--
Jazz is not dead. It just smells funny...
