kpatch/0018-use-orignal-reloc-for-symbols-from-modules.patch

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From 4d13c1b29b2172e6758d18b153f149e461c6d9c3 Mon Sep 17 00:00:00 2001
From: Zhipeng Xie <xiezhipeng1@huawei.com>
Date: Thu, 12 Mar 2020 05:10:55 -0400
Subject: [PATCH] use orignal reloc for symbols from modules
symbols exported in a patch will generate a symbol version with
object module name in Module.symvers, but the symbol is actually
in patch module which cause livepatch symbol lookup failed.
Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
---
kpatch-build/create-diff-object.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
index 320b239..64e5686 100644
--- a/kpatch-build/create-diff-object.c
+++ b/kpatch-build/create-diff-object.c
@@ -3117,10 +3117,8 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
if (!strcmp(sym_objname, "vmlinux"))
continue;
- if (!strcmp(sym_objname, objname))
- continue;
-
external = 1;
+ continue;
}
}
log_debug("lookup for %s @ 0x%016lx len %lu\n",
--
2.18.1