[xen stable-4.21] build: also exclude .data.rel.ro in $(cmd_obj_init_o)

[patchbot@xxxxxxx]

commit 564411f65bed8dc6feb50c7f96af030e61ded1bd
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Sep 10 12:35:52 2026 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Sep 10 12:35:52 2026 +0200

    build: also exclude .data.rel.ro in $(cmd_obj_init_o)
    
    .data.rel.ro really is merely a special case of .rodata: r/o data, but
    with runtime relocations (not relevant to Xen), i.e. r/o only after
    relocations were performed (by the dynamic loader).
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: f7eab298bb9f2634e555aea1db70efcbbfd4d316
    master date: 2026-09-08 09:50:48 +0200
---
 xen/Rules.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/Rules.mk b/xen/Rules.mk
index 24f447b957..e1a8194dfd 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -262,7 +262,7 @@ quiet_cmd_obj_init_o = INIT_O  $@
 define cmd_obj_init_o
     $(OBJDUMP) -h $< | while read idx name sz rest; do \
         case "$$name" in \
-        .*.local) ;; \
+        .*.local|.data.rel.ro|.data.rel.ro.*) ;; \
         .text|.text.*|.data|.data.*|.bss|.bss.*) \
             test $$(echo $$sz | sed 's,00*,0,') != 0 || continue; \
             echo "Error: size of $<:$$name is 0x$$sz" >&2; \
--
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