From: Andrew Cooper <andrew.cooper3@citrix.com>
Date: Fri, 11 Feb 2022 16:38:47 +0000 (+0000)
Subject: xen/altcall: Use __ro_after_init now that it exists
X-Git-Tag: archive/raspbian/4.17.0-1+rpi1^2~33^2~925
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success/%22http:/www.example.com/cgi/success?a=commitdiff_plain;h=a0d8a94360a6337efcb5048293d527274fea1c96;p=xen.git

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 c2d3b70e31..5c6b9a562b 100644
--- 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 */