xen: Consolidate linker script setup data

.init.setup, .initcallpresmp.init, and .initcall1.init are duplicated
across architectures.  Replace them with a common define, SETUP_DATA.

Suggested-by: Grygorii Strashko <grygorii_strashko@epam.com>
Signed-off-by: Jason Andryuk <jason.andryuk@amd.com>
Reviewed-by: Alejandro Vallejo <alejandro.garciavallejo@amd.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Michal Orzel <michal.orzel@amd.com>

xen/arch/arm/xen.lds.S

@@ -135,16 +135,7 @@ SECTIONS
        *(.init.rodata)
        *(.init.rodata.*)
 
-       . = ALIGN(POINTER_ALIGN);
-       __setup_start = .;
-       *(.init.setup)
-       __setup_end = .;
-
-       __initcall_start = .;
-       *(.initcallpresmp.init)
-       __presmp_initcall_end = .;
-       *(.initcall1.init)
-       __initcall_end = .;
+       SETUP_DATA
 
        . = ALIGN(4);
        __alt_instructions = .;

xen/arch/ppc/xen.lds.S

@@ -107,17 +107,7 @@ SECTIONS
         *(.init.rodata)
         *(.init.rodata.*)
 
-        . = ALIGN(POINTER_ALIGN);
-        __setup_start = .;
-        *(.init.setup)
-        __setup_end = .;
-
-        __initcall_start = .;
-        *(.initcallpresmp.init)
-        __presmp_initcall_end = .;
-        *(.initcall1.init)
-        __initcall_end = .;
-
+        SETUP_DATA
         LOCK_PROFILE_DATA
 
         *(.init.data)

xen/arch/riscv/xen.lds.S

@@ -114,17 +114,7 @@ SECTIONS
         *(.init.rodata)
         *(.init.rodata.*)
 
-        . = ALIGN(POINTER_ALIGN);
-        __setup_start = .;
-        *(.init.setup)
-        __setup_end = .;
-
-        __initcall_start = .;
-        *(.initcallpresmp.init)
-        __presmp_initcall_end = .;
-        *(.initcall1.init)
-        __initcall_end = .;
-
+        SETUP_DATA
         LOCK_PROFILE_DATA
 
         *(.init.data)

xen/arch/x86/xen.lds.S

@@ -223,16 +223,7 @@ SECTIONS
        *(.init.rodata)
        *(.init.rodata.*)
 
-       . = ALIGN(POINTER_ALIGN);
-       __setup_start = .;
-       *(.init.setup)
-       __setup_end = .;
-
-       __initcall_start = .;
-       *(.initcallpresmp.init)
-       __presmp_initcall_end = .;
-       *(.initcall1.init)
-       __initcall_end = .;
+       SETUP_DATA
 
        *(.init.data)
        *(.init.data.rel)

xen/include/xen/xen.lds.h

@@ -179,6 +179,18 @@
        *(.data.schedulers)           \
        __end_schedulers_array = .;
 
+#define SETUP_DATA                   \
+       . = ALIGN(POINTER_ALIGN);     \
+       __setup_start = .;            \
+       *(.init.setup)                \
+       __setup_end = .;              \
+                                     \
+       __initcall_start = .;         \
+       *(.initcallpresmp.init)       \
+       __presmp_initcall_end = .;    \
+       *(.initcall1.init)            \
+       __initcall_end = .;
+
 #ifdef CONFIG_HYPFS
 #define HYPFS_PARAM              \
        . = ALIGN(POINTER_ALIGN); \