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From 101bfb58f0111b3e4032645125b5b259454750d4 Mon Sep 17 00:00:00 2001
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From: Song Liu <song@kernel.org>
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Date: Fri, 20 Oct 2023 13:55:04 -0700
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Subject: [PATCH 2/3] kpatch-build: ignore changes in .comment section
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.comment section contains compiler version number of compiler(s) used to
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generate the object file. With LTO, it is possible that cross file inlining
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add/remove items to/from the .comment section. Ignore any changes in the
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section in CDO.
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Signed-off-by: Song Liu <song@kernel.org>
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---
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kpatch-build/create-diff-object.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
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index 4e3341e..4ce0766 100644
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--- a/kpatch-build/create-diff-object.c
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+++ b/kpatch-build/create-diff-object.c
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@@ -2870,6 +2870,7 @@ static void kpatch_mark_ignored_sections(struct kpatch_elf *kelf)
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!strncmp(sec->name, ".rela.discard", 13) ||
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!strncmp(sec->name, ".llvm_addrsig", 13) ||
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!strncmp(sec->name, ".rel.llvm.call-graph-profile", 28) ||
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+ !strncmp(sec->name, ".comment", 8) ||
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!strncmp(sec->name, ".llvm.", 6))
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sec->ignore = 1;
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}
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--
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2.41.0
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