[Xen-devel] [PATCH LIVEPATCH-BUILD-TOOLS 1/2] Ignore .discard sections

[Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>]

Ignore differences in discard sections. They are not included in the final xen
binary so there is no need to include them in the live patch.

Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
---
 create-diff-object.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/create-diff-object.c b/create-diff-object.c
index 217e58f..ba19daf 100644
--- a/create-diff-object.c
+++ b/create-diff-object.c
@@ -888,6 +888,14 @@ static void kpatch_mark_ignored_sections(struct kpatch_elf 
*kelf)
        struct rela *rela;
        char *name;
 
+       /* Always ignore .discard sections */
+       sec = find_section_by_name(&kelf->sections, ".discard");
+       if (sec) {
+               sec->ignore = 1;
+               if (sec->twin)
+                       sec->twin->ignore = 1;
+       }
+
        sec = find_section_by_name(&kelf->sections, 
".livepatch.ignore.sections");
        if (!sec)
                return;
-- 
2.9.4


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