xen/altcall: Use __ro_after_init now that it exists

For the !CONFIG_ALTERNATIVE_CALL case, the use of __read_mostly was only a
stopgap while nothing better existed.  __ro_after_init now does, so it use.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>

diff --git a/xen/include/xen/alternative-call.h b/xen/include/xen/alternative-call.h
index c2d3b70e312e833e03184c69225913422445b652..5c6b9a562b92199b8c6f297dc8ae283f6b30a42e 100644 (file)
--- a/xen/include/xen/alternative-call.h
+++ b/xen/include/xen/alternative-call.h
@@ -57,7 +57,7 @@
 #define alternative_call(func, args...)  (func)(args)
 #define alternative_vcall(func, args...) (func)(args)
 
-#define __alt_call_maybe_initdata __read_mostly
+#define __alt_call_maybe_initdata __ro_after_init
 
 #endif /* !CONFIG_ALTERNATIVE_CALL */
 #endif /* XEN_ALTERNATIVE_CALL */