[PATCH 1/3] xen/riscv: Drop legacy __ro_after_init definition

[Andrew Cooper <andrew.cooper3@citrix.com>]

Hide the legacy __ro_after_init definition in xen/cache.h for RISC-V, to avoid
its use creeping in.  Only mm.c needs adjusting as a consequence

No functional change.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Shawn Anastasio <sanastasio@raptorengineering.com>
CC: Oleksii Kurochko <oleksii.kurochko@gmail.com>
CC: George Dunlap <George.Dunlap@citrix.com>
CC: Jan Beulich <JBeulich@suse.com>
CC: Stefano Stabellini <sstabellini@kernel.org>
CC: Julien Grall <julien@xen.org>

https://gitlab.com/xen-project/people/andyhhp/xen/-/pipelines/1342686294
---
 xen/arch/riscv/mm.c     | 2 +-
 xen/include/xen/cache.h | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/xen/arch/riscv/mm.c b/xen/arch/riscv/mm.c
index 053f043a3d2a..3ebaf6da01cc 100644
--- a/xen/arch/riscv/mm.c
+++ b/xen/arch/riscv/mm.c
@@ -1,11 +1,11 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <xen/cache.h>
 #include <xen/compiler.h>
 #include <xen/init.h>
 #include <xen/kernel.h>
 #include <xen/macros.h>
 #include <xen/pfn.h>
+#include <xen/sections.h>
 
 #include <asm/early_printk.h>
 #include <asm/csr.h>
diff --git a/xen/include/xen/cache.h b/xen/include/xen/cache.h
index 55456823c543..82a3ba38e3e7 100644
--- a/xen/include/xen/cache.h
+++ b/xen/include/xen/cache.h
@@ -15,7 +15,9 @@
 #define __cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
 #endif
 
+#if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_PPC64)
 /* TODO: Phase out the use of this via cache.h */
 #define __ro_after_init __section(".data.ro_after_init")
+#endif
 
 #endif /* __LINUX_CACHE_H */
-- 
2.39.2