!8 Update software to v0.9.1

Merge pull request !8 from chengquan/master

0001-support-compile-kpatch-on-aarch64.patch

@@ -1,35 +1,36 @@
-From 33c4d7a2a31ca10ce943d7ab0603bd814f4ac530 Mon Sep 17 00:00:00 2001
+From 1281e03a115ee04e8ddea9f88d0e4e16b2e5ce57 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Thu, 20 Dec 2018 04:55:38 +0000
-Subject: [PATCH 01/17] support compile kpatch on aarch64
+Subject: [PATCH 01/21] support compile kpatch on aarch64
 
 delete __x86_64__ to support compile kpatch on aarch64.
 
 Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
 ---
- kpatch-build/Makefile             |  3 +++
+ kpatch-build/Makefile             |  4 ++++
  kpatch-build/create-diff-object.c | 14 +-------------
- 2 files changed, 4 insertions(+), 13 deletions(-)
+ 2 files changed, 5 insertions(+), 13 deletions(-)
 
 diff --git a/kpatch-build/Makefile b/kpatch-build/Makefile
-index 232b336..974e0f2 100644
+index 7505e07..8efae94 100644
 --- a/kpatch-build/Makefile
 +++ b/kpatch-build/Makefile
-@@ -12,6 +12,9 @@ SOURCES = create-diff-object.c kpatch-elf.c \
- ifeq ($(ARCH),x86_64)
+@@ -14,6 +14,10 @@ ifeq ($(ARCH),x86_64)
  SOURCES += insn/insn.c insn/inat.c
  INSN     = insn/insn.o insn/inat.o
+ insn/%.o: CFLAGS := $(filter-out -Wconversion, $(CFLAGS))
 +else ifeq ($(ARCH),aarch64)
 +SOURCES += insn/insn.c insn/inat.c
 +INSN     = insn/insn.o insn/inat.o
++insn/%.o: CFLAGS := $(filter-out -Wconversion, $(CFLAGS))
  else ifeq ($(ARCH),ppc64le)
  SOURCES += gcc-plugins/ppc64le-plugin.c
  PLUGIN   = gcc-plugins/ppc64le-plugin.so
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index c9d2cc6..7b1deb0 100644
+index aedd07d..2707cdb 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -470,7 +470,6 @@ out:
+@@ -475,7 +475,6 @@ out:
  		log_debug("section %s has changed\n", sec->name);
  }
  
@@ -37,7 +38,7 @@ index c9d2cc6..7b1deb0 100644
  /*
   * Determine if a section has changed only due to a WARN* or might_sleep
   * macro call's embedding of the line number into an instruction operand.
-@@ -581,7 +580,7 @@ static int kpatch_line_macro_change_only(struct section *sec)
+@@ -586,7 +585,7 @@ static int kpatch_line_macro_change_only(struct section *sec)
  
  	return 1;
  }
@@ -46,7 +47,7 @@ index c9d2cc6..7b1deb0 100644
  #define PPC_INSTR_LEN 4
  #define PPC_RA_OFFSET 16
  
-@@ -647,11 +646,6 @@ static int kpatch_line_macro_change_only(struct section *sec)
+@@ -652,11 +651,6 @@ static int kpatch_line_macro_change_only(struct section *sec)
  
  	return 1;
  }
@@ -58,7 +59,7 @@ index c9d2cc6..7b1deb0 100644
  #endif
  
  static void kpatch_compare_sections(struct list_head *seclist)
-@@ -1202,7 +1196,6 @@ static void kpatch_compare_correlated_elements(struct kpatch_elf *kelf)
+@@ -1215,7 +1209,6 @@ static void kpatch_compare_correlated_elements(struct kpatch_elf *kelf)
  	kpatch_compare_symbols(&kelf->symbols);
  }
  
@@ -66,7 +67,7 @@ index c9d2cc6..7b1deb0 100644
  static void rela_insn(const struct section *sec, const struct rela *rela,
  		      struct insn *insn)
  {
-@@ -1226,7 +1219,6 @@ static void rela_insn(const struct section *sec, const struct rela *rela,
+@@ -1239,7 +1232,6 @@ static void rela_insn(const struct section *sec, const struct rela *rela,
  			return;
  	}
  }
@@ -74,7 +75,7 @@ index c9d2cc6..7b1deb0 100644
  
  static bool is_callback_section(struct section *sec) {
  
-@@ -1771,7 +1763,6 @@ static int jump_table_group_size(struct kpatch_elf *kelf, int offset)
+@@ -1785,7 +1777,6 @@ static int jump_table_group_size(struct kpatch_elf *kelf, int offset)
  	return size;
  }
  
@@ -82,7 +83,7 @@ index c9d2cc6..7b1deb0 100644
  static int parainstructions_group_size(struct kpatch_elf *kelf, int offset)
  {
  	static int size = 0;
-@@ -1806,7 +1797,6 @@ static int smp_locks_group_size(struct kpatch_elf *kelf, int offset)
+@@ -1820,7 +1811,6 @@ static int smp_locks_group_size(struct kpatch_elf *kelf, int offset)
  {
  	return 4;
  }
@@ -90,7 +91,7 @@ index c9d2cc6..7b1deb0 100644
  #ifdef __powerpc64__
  static int fixup_entry_group_size(struct kpatch_elf *kelf, int offset)
  {
-@@ -1901,7 +1891,6 @@ static struct special_section special_sections[] = {
+@@ -1915,7 +1905,6 @@ static struct special_section special_sections[] = {
  		.name		= "__jump_table",
  		.group_size	= jump_table_group_size,
  	},
@@ -98,7 +99,7 @@ index c9d2cc6..7b1deb0 100644
  	{
  		.name		= ".smp_locks",
  		.group_size	= smp_locks_group_size,
-@@ -1914,7 +1903,6 @@ static struct special_section special_sections[] = {
+@@ -1928,7 +1917,6 @@ static struct special_section special_sections[] = {
  		.name		= ".altinstructions",
  		.group_size	= altinstructions_group_size,
  	},
@@ -108,4 +109,3 @@ index c9d2cc6..7b1deb0 100644
  		.name		= "__ftr_fixup",
 -- 
 2.18.1
-

0002-kpatch-build-support-build-patch-for-aarch64.patch

@@ -1,7 +1,7 @@
-From 6dd77e9f5bc044a1f80ad89bb9d7f60756b39755 Mon Sep 17 00:00:00 2001
+From 92bb331ce71cfc33d933ebeabdbe9b5721c0ec75 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Wed, 26 Feb 2020 07:09:50 -0500
-Subject: [PATCH 02/17] kpatch-build: support build patch for aarch64
+Subject: [PATCH 02/21] kpatch-build: support build patch for aarch64
 
 use R_AARCH64_ABS64 for aarch64
 
@@ -16,14 +16,14 @@ support cross compile for aarch64
 
 Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
 ---
- kpatch-build/create-diff-object.c   | 216 ++++++++++++++++++++++++----
+ kpatch-build/create-diff-object.c   | 191 +++++++++++++++++++++++++---
  kpatch-build/create-kpatch-module.c |  24 +++-
- kpatch-build/kpatch-build           | 116 ++++++++++++++-
+ kpatch-build/kpatch-build           | 116 ++++++++++++++++-
  kpatch-build/kpatch-gcc             |   4 +-
- 4 files changed, 319 insertions(+), 41 deletions(-)
+ 4 files changed, 306 insertions(+), 29 deletions(-)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 7b1deb0..58789f1 100644
+index 2707cdb..7a27b58 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
 @@ -76,6 +76,31 @@ enum subsection {
@@ -58,7 +58,7 @@ index 7b1deb0..58789f1 100644
  /*******************
   * Data structures
   * ****************/
-@@ -647,6 +672,67 @@ static int kpatch_line_macro_change_only(struct section *sec)
+@@ -652,6 +677,67 @@ static int kpatch_line_macro_change_only(struct section *sec)
  	return 1;
  }
  #endif
@@ -126,7 +126,7 @@ index 7b1deb0..58789f1 100644
  
  static void kpatch_compare_sections(struct list_head *seclist)
  {
-@@ -662,7 +748,16 @@ static void kpatch_compare_sections(struct list_head *seclist)
+@@ -667,7 +753,16 @@ static void kpatch_compare_sections(struct list_head *seclist)
  
  	/* exclude WARN-only, might_sleep changes */
  	list_for_each_entry(sec, seclist, list) {
@@ -144,7 +144,7 @@ index 7b1deb0..58789f1 100644
  			log_debug("reverting macro / line number section %s status to SAME\n",
  				  sec->name);
  			sec->status = SAME;
-@@ -722,6 +817,8 @@ static void kpatch_compare_correlated_symbol(struct symbol *sym)
+@@ -727,6 +822,8 @@ static void kpatch_compare_correlated_symbol(struct symbol *sym)
  		if ((sym2->sec->twin && sym2->sec->twin->ignore) ||
  		    kpatch_subsection_changed(sym1->sec, sym2->sec))
  			sym->status = CHANGED;
@@ -153,90 +153,72 @@ index 7b1deb0..58789f1 100644
  		else
  			DIFF_FATAL("symbol changed sections: %s", sym1->name);
  	}
-@@ -1289,22 +1386,22 @@ static void kpatch_replace_sections_syms(struct kpatch_elf *kelf)
+@@ -1302,9 +1399,8 @@ static void kpatch_replace_sections_syms(struct kpatch_elf *kelf)
  				continue;
  			}
  
 -#ifdef __powerpc64__
  			add_off = 0;
 -#else
--			if (rela->type == R_X86_64_PC32 ||
--			    rela->type == R_X86_64_PLT32) {
--				struct insn insn;
--				rela_insn(sec, rela, &insn);
--				add_off = (long)insn.next_byte -
--					  (long)sec->base->data->d_buf -
--					  rela->offset;
--			} else if (rela->type == R_X86_64_64 ||
--				   rela->type == R_X86_64_32S)
--				add_off = 0;
--			else
--				continue;
++			if (arch == EM_X86_64) {
+ 			if (rela->type == R_X86_64_PC32 ||
+ 			    rela->type == R_X86_64_PLT32) {
+ 				struct insn insn;
+@@ -1317,7 +1413,7 @@ static void kpatch_replace_sections_syms(struct kpatch_elf *kelf)
+ 				add_off = 0;
+ 			else
+ 				continue;
 -#endif
-+            if (arch == EM_X86_64) {
-+                if (rela->type == R_X86_64_PC32 ||
-+                        rela->type == R_X86_64_PLT32) {
-+                    struct insn insn;
-+                    rela_insn(sec, rela, &insn);
-+                    add_off = (long)insn.next_byte -
-+                        (long)sec->base->data->d_buf -
-+                        rela->offset;
-+                } else if (rela->type == R_X86_64_64 ||
-+                        rela->type == R_X86_64_32S)
-+                    add_off = 0;
-+                else
-+                    continue;
-+            }
-+			/* add_off is always equal to 0 on arm64 */
++			}
  
  			/*
  			 * Attempt to replace references to unbundled sections
-@@ -2401,7 +2498,7 @@ static void kpatch_create_kpatch_arch_section(struct kpatch_elf *kelf, char *obj
+@@ -2415,7 +2511,7 @@ static void kpatch_create_kpatch_arch_section(struct kpatch_elf *kelf, char *obj
  		/* entries[index].sec */
  		ALLOC_LINK(rela, &karch_sec->rela->relas);
  		rela->sym = sec->secsym;
 -		rela->type = ABSOLUTE_RELA_TYPE;
 +		rela->type = absolute_rela_type;
  		rela->addend = 0;
- 		rela->offset = index * sizeof(struct kpatch_arch) + \
- 			       offsetof(struct kpatch_arch, sec);
-@@ -2409,7 +2506,7 @@ static void kpatch_create_kpatch_arch_section(struct kpatch_elf *kelf, char *obj
+ 		rela->offset = (unsigned int)(index * sizeof(struct kpatch_arch) + \
+ 			       offsetof(struct kpatch_arch, sec));
+@@ -2423,7 +2519,7 @@ static void kpatch_create_kpatch_arch_section(struct kpatch_elf *kelf, char *obj
  		/* entries[index].objname */
  		ALLOC_LINK(rela, &karch_sec->rela->relas);
  		rela->sym = strsym;
 -		rela->type = ABSOLUTE_RELA_TYPE;
 +		rela->type = absolute_rela_type;
  		rela->addend = offset_of_string(&kelf->strings, objname);
- 		rela->offset = index * sizeof(struct kpatch_arch) + \
- 			       offsetof(struct kpatch_arch, objname);
-@@ -2607,7 +2704,7 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
+ 		rela->offset = (unsigned int)(index * sizeof(struct kpatch_arch) + \
+ 			       offsetof(struct kpatch_arch, objname));
+@@ -2622,7 +2718,7 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
  			 */
  			ALLOC_LINK(rela, &relasec->relas);
  			rela->sym = sym;
 -			rela->type = ABSOLUTE_RELA_TYPE;
 +			rela->type = absolute_rela_type;
  			rela->addend = 0;
- 			rela->offset = index * sizeof(*funcs);
+ 			rela->offset = (unsigned int)(index * sizeof(*funcs));
  
-@@ -2617,7 +2714,7 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
+@@ -2632,7 +2728,7 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
  			 */
  			ALLOC_LINK(rela, &relasec->relas);
  			rela->sym = strsym;
 -			rela->type = ABSOLUTE_RELA_TYPE;
 +			rela->type = absolute_rela_type;
  			rela->addend = offset_of_string(&kelf->strings, sym->name);
- 			rela->offset = index * sizeof(*funcs) +
- 			               offsetof(struct kpatch_patch_func, name);
-@@ -2628,7 +2725,7 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
+ 			rela->offset = (unsigned int)(index * sizeof(*funcs) +
+ 			               offsetof(struct kpatch_patch_func, name));
+@@ -2643,7 +2739,7 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
  			 */
  			ALLOC_LINK(rela, &relasec->relas);
  			rela->sym = strsym;
 -			rela->type = ABSOLUTE_RELA_TYPE;
 +			rela->type = absolute_rela_type;
  			rela->addend = objname_offset;
- 			rela->offset = index * sizeof(*funcs) +
- 			               offsetof(struct kpatch_patch_func,objname);
-@@ -2686,7 +2783,10 @@ static int function_ptr_rela(const struct rela *rela)
+ 			rela->offset = (unsigned int)(index * sizeof(*funcs) +
+ 			               offsetof(struct kpatch_patch_func,objname));
+@@ -2701,7 +2797,10 @@ static int function_ptr_rela(const struct rela *rela)
  		rela_toc->addend == (int)rela_toc->sym->sym.st_value &&
  		(rela->type == R_X86_64_32S ||
  		rela->type == R_PPC64_TOC16_HA ||
@@ -248,52 +230,52 @@ index 7b1deb0..58789f1 100644
  }
  
  static int may_need_dynrela(const struct rela *rela)
-@@ -2940,7 +3040,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+@@ -2955,7 +3054,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  			/* add rela to fill in ksyms[index].name field */
  			ALLOC_LINK(rela2, &ksym_sec->rela->relas);
  			rela2->sym = strsym;
 -			rela2->type = ABSOLUTE_RELA_TYPE;
 +			rela2->type = absolute_rela_type;
  			rela2->addend = offset_of_string(&kelf->strings, rela->sym->name);
- 			rela2->offset = index * sizeof(*ksyms) + \
- 					offsetof(struct kpatch_symbol, name);
-@@ -2948,7 +3048,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+ 			rela2->offset = (unsigned int)(index * sizeof(*ksyms) + \
+ 					offsetof(struct kpatch_symbol, name));
+@@ -2963,7 +3062,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  			/* add rela to fill in ksyms[index].objname field */
  			ALLOC_LINK(rela2, &ksym_sec->rela->relas);
  			rela2->sym = strsym;
 -			rela2->type = ABSOLUTE_RELA_TYPE;
 +			rela2->type = absolute_rela_type;
  			rela2->addend = offset_of_string(&kelf->strings, sym_objname);
- 			rela2->offset = index * sizeof(*ksyms) + \
- 					offsetof(struct kpatch_symbol, objname);
-@@ -2969,7 +3069,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+ 			rela2->offset = (unsigned int)(index * sizeof(*ksyms) + \
+ 					offsetof(struct kpatch_symbol, objname));
+@@ -2984,7 +3083,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  				ERROR("can't create dynrela for section %s (symbol %s): no bundled or section symbol",
  				      sec->name, rela->sym->name);
  
 -			rela2->type = ABSOLUTE_RELA_TYPE;
 +			rela2->type = absolute_rela_type;
  			rela2->addend = rela->offset;
- 			rela2->offset = index * sizeof(*krelas) + \
- 					offsetof(struct kpatch_relocation, dest);
-@@ -2977,7 +3077,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+ 			rela2->offset = (unsigned int)(index * sizeof(*krelas) + \
+ 					offsetof(struct kpatch_relocation, dest));
+@@ -2992,7 +3091,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  			/* add rela to fill in krelas[index].objname field */
  			ALLOC_LINK(rela2, &krela_sec->rela->relas);
  			rela2->sym = strsym;
 -			rela2->type = ABSOLUTE_RELA_TYPE;
 +			rela2->type = absolute_rela_type;
  			rela2->addend = offset_of_string(&kelf->strings, objname);
- 			rela2->offset = index * sizeof(*krelas) + \
- 				offsetof(struct kpatch_relocation, objname);
-@@ -2985,7 +3085,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+ 			rela2->offset = (unsigned int)(index * sizeof(*krelas) + \
+ 				offsetof(struct kpatch_relocation, objname));
+@@ -3000,7 +3099,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  			/* add rela to fill in krelas[index].ksym field */
  			ALLOC_LINK(rela2, &krela_sec->rela->relas);
  			rela2->sym = ksym_sec_sym;
 -			rela2->type = ABSOLUTE_RELA_TYPE;
 +			rela2->type = absolute_rela_type;
- 			rela2->addend = index * sizeof(*ksyms);
- 			rela2->offset = index * sizeof(*krelas) + \
- 				offsetof(struct kpatch_relocation, ksym);
-@@ -3048,7 +3148,7 @@ static void kpatch_create_callbacks_objname_rela(struct kpatch_elf *kelf, char *
+ 			rela2->addend = (unsigned int)(index * sizeof(*ksyms));
+ 			rela2->offset = (unsigned int)(index * sizeof(*krelas) + \
+ 				offsetof(struct kpatch_relocation, ksym));
+@@ -3063,7 +3162,7 @@ static void kpatch_create_callbacks_objname_rela(struct kpatch_elf *kelf, char *
  			if (!strcmp(callbackp->name, sec->name)) {
  				ALLOC_LINK(rela, &sec->relas);
  				rela->sym = strsym;
@@ -302,15 +284,15 @@ index 7b1deb0..58789f1 100644
  				rela->addend = objname_offset;
  				rela->offset = callbackp->offset;
  				break;
-@@ -3101,6 +3201,7 @@ static void kpatch_create_mcount_sections(struct kpatch_elf *kelf)
+@@ -3116,6 +3215,7 @@ static void kpatch_create_mcount_sections(struct kpatch_elf *kelf)
  		/* add rela in .rela__mcount_loc to fill in function pointer */
  		ALLOC_LINK(rela, &relasec->relas);
  		rela->sym = sym;
 +		if (arch == EM_X86_64) {
  		rela->type = R_X86_64_64;
  		rela->addend = 0;
- 		rela->offset = index * sizeof(void*);
-@@ -3136,6 +3237,40 @@ static void kpatch_create_mcount_sections(struct kpatch_elf *kelf)
+ 		rela->offset = (unsigned int)(index * sizeof(void*));
+@@ -3151,6 +3251,40 @@ static void kpatch_create_mcount_sections(struct kpatch_elf *kelf)
  
  			rela->type = R_X86_64_PC32;
  		}
@@ -319,7 +301,7 @@ index 7b1deb0..58789f1 100644
 +			rela->type = R_AARCH64_ABS64;
 +			/* bl <__fentry__> is the second insn */
 +			rela->addend = 4;
-+			rela->offset = index * sizeof(void*);
++			rela->offset = (unsigned int)(index * sizeof(void*));
 +
 +			newdata = malloc(sym->sec->data->d_size);
 +			if (!newdata)
@@ -351,7 +333,7 @@ index 7b1deb0..58789f1 100644
  
  		index++;
  	}
-@@ -3334,6 +3469,8 @@ int main(int argc, char *argv[])
+@@ -3349,6 +3483,8 @@ int main(int argc, char *argv[])
  	char *hint = NULL, *orig_obj, *patched_obj, *parent_name;
  	char *parent_symtab, *mod_symvers, *patch_name, *output_obj;
  	struct sym_compare_type *base_locals, *sym_comp;
@@ -360,7 +342,7 @@ index 7b1deb0..58789f1 100644
  
  	arguments.debug = 0;
  	argp_parse (&argp, argc, argv, 0, NULL, &arguments);
-@@ -3354,6 +3491,13 @@ int main(int argc, char *argv[])
+@@ -3369,6 +3505,13 @@ int main(int argc, char *argv[])
  
  	kelf_base = kpatch_elf_open(orig_obj);
  	kelf_patched = kpatch_elf_open(patched_obj);
@@ -374,7 +356,7 @@ index 7b1deb0..58789f1 100644
  
  	kpatch_compare_elf_headers(kelf_base->elf, kelf_patched->elf);
  	kpatch_check_program_headers(kelf_base->elf);
-@@ -3392,7 +3536,12 @@ int main(int argc, char *argv[])
+@@ -3407,7 +3550,12 @@ int main(int argc, char *argv[])
  	 */
  	kpatch_mark_ignored_sections(kelf_patched);
  	kpatch_compare_correlated_elements(kelf_patched);
@@ -388,7 +370,7 @@ index 7b1deb0..58789f1 100644
  	kpatch_elf_teardown(kelf_base);
  	kpatch_elf_free(kelf_base);
  
-@@ -3452,7 +3601,14 @@ int main(int argc, char *argv[])
+@@ -3467,7 +3615,14 @@ int main(int argc, char *argv[])
  	kpatch_create_callbacks_objname_rela(kelf_out, parent_name);
  	kpatch_build_strings_section_data(kelf_out);
  
@@ -405,7 +387,7 @@ index 7b1deb0..58789f1 100644
  	/*
  	 *  At this point, the set of output sections and symbols is
 diff --git a/kpatch-build/create-kpatch-module.c b/kpatch-build/create-kpatch-module.c
-index 43d6809..6f80831 100644
+index 3d197a7..758630b 100644
 --- a/kpatch-build/create-kpatch-module.c
 +++ b/kpatch-build/create-kpatch-module.c
 @@ -31,6 +31,17 @@
@@ -433,7 +415,7 @@ index 43d6809..6f80831 100644
 -		rela->type = R_X86_64_64;
 +		rela->type = absolute_rela_type;
  		rela->addend = dest_offset;
- 		rela->offset = index * sizeof(*dynrelas);
+ 		rela->offset = (unsigned int)(index * sizeof(*dynrelas));
  
  		/* name */
  		ALLOC_LINK(rela, &dynsec->rela->relas);
@@ -441,8 +423,8 @@ index 43d6809..6f80831 100644
 -		rela->type = R_X86_64_64;
 +		rela->type = absolute_rela_type;
  		rela->addend = name_offset;
- 		rela->offset = index * sizeof(*dynrelas) + \
- 			       offsetof(struct kpatch_patch_dynrela, name);
+ 		rela->offset = (unsigned int)(index * sizeof(*dynrelas) + \
+ 					      offsetof(struct kpatch_patch_dynrela, name));
 @@ -117,7 +128,7 @@ static void create_dynamic_rela_sections(struct kpatch_elf *kelf, struct section
  		/* objname */
  		ALLOC_LINK(rela, &dynsec->rela->relas);
@@ -450,8 +432,8 @@ index 43d6809..6f80831 100644
 -		rela->type = R_X86_64_64;
 +		rela->type = absolute_rela_type;
  		rela->addend = objname_offset;
- 		rela->offset = index * sizeof(*dynrelas) + \
- 			       offsetof(struct kpatch_patch_dynrela, objname);
+ 		rela->offset = (unsigned int)(index * sizeof(*dynrelas) + \
+ 					      offsetof(struct kpatch_patch_dynrela, objname));
 @@ -200,6 +211,13 @@ int main(int argc, char *argv[])
  	childobj = basename(arguments.args[0]);
  
@@ -681,4 +663,3 @@ index 9663290..35d7c1c 100755
  			obj="$2"
 -- 
 2.18.1
-

0003-create-diff-object-new-static-var-should-be-included.patch

@@ -1,7 +1,7 @@
-From 3af07fd0f178a4c6e2ae68207c3fedfd10672e65 Mon Sep 17 00:00:00 2001
+From 4511c2f36744529d0298a4d8e56d0b38c2ea5714 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Tue, 25 Feb 2020 22:44:50 -0500
-Subject: [PATCH 03/17] create-diff-object: new static var should be included
+Subject: [PATCH 03/21] create-diff-object: new static var should be included
 
 Before this patch, only global variables(no referenced) will be
 included by kpatch-build. But some macros put some static varibles
@@ -18,10 +18,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  1 file changed, 15 insertions(+)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 58789f1..93570df 100644
+index 7a27b58..267bd66 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -1689,6 +1689,20 @@ static void kpatch_include_force_elements(struct kpatch_elf *kelf)
+@@ -1702,6 +1702,20 @@ static void kpatch_include_force_elements(struct kpatch_elf *kelf)
  			sym->include = 0;
  }
  
@@ -42,14 +42,13 @@ index 58789f1..93570df 100644
  static int kpatch_include_new_globals(struct kpatch_elf *kelf)
  {
  	struct symbol *sym;
-@@ -3554,6 +3568,7 @@ int main(int argc, char *argv[])
+@@ -3567,6 +3581,7 @@ int main(int argc, char *argv[])
  	callbacks_exist = kpatch_include_callback_elements(kelf_patched);
  	kpatch_include_force_elements(kelf_patched);
  	new_globals_exist = kpatch_include_new_globals(kelf_patched);
 +    kpatch_include_new_static_var(kelf_patched);
+ 	kpatch_include_debug_sections(kelf_patched);
  
  	kpatch_process_special_sections(kelf_patched);
- 
 -- 
 2.18.1
-

0004-livepatch-fix-use-THIS-modname-as-the-name-of-ddebug.patch

@@ -1,7 +1,7 @@
-From c03772c4e29473eae68009c12efc182238d103c7 Mon Sep 17 00:00:00 2001
+From b407defcd16f6a8a49ed0f66d4902eb0bc1b2021 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Fri, 2 Nov 2018 17:24:42 +0000
-Subject: [PATCH 04/17] livepatch, fix: use THIS modname as the name of
+Subject: [PATCH 04/21] livepatch, fix: use THIS modname as the name of
  ddebug_table
 
 We just want a unique name for every module, so put a _ddebug in
@@ -29,4 +29,3 @@ index e12fd50..613d037 100644
  #endif
 -- 
 2.18.1
-

0005-create-diff-object-fix-correlate-static-local-variab.patch

@@ -1,7 +1,7 @@
-From 5504f36c6de3abae8a4f7ba11f7a2838ddbc5b58 Mon Sep 17 00:00:00 2001
+From e3a9643c7fa2ac5f8093c8ac578ce9dfd45084c7 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Fri, 2 Nov 2018 17:24:51 +0000
-Subject: [PATCH 05/17] create-diff-object: fix correlate static local
+Subject: [PATCH 05/21] create-diff-object: fix correlate static local
  variables for __param section
 
 kpatch-build correlate fail when no sections reference
@@ -31,10 +31,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  1 file changed, 4 insertions(+)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 93570df..9f1abc0 100644
+index 267bd66..78f5a7e 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -1094,6 +1094,10 @@ static int kpatch_is_normal_static_local(struct symbol *sym)
+@@ -1107,6 +1107,10 @@ static int kpatch_is_normal_static_local(struct symbol *sym)
  	if (is_special_static(sym))
  		return 0;
  
@@ -47,4 +47,3 @@ index 93570df..9f1abc0 100644
  
 -- 
 2.18.1
-

0006-create-diff-object-don-t-create-dynamic-reloc-for-sy.patch

@@ -1,7 +1,7 @@
-From 16aa1e59851c29ce63b18f8ef5c570052c6a95af Mon Sep 17 00:00:00 2001
+From 28a1433cc6342ee48cfea60b755c0e746b9ff548 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Fri, 2 Nov 2018 17:24:58 +0000
-Subject: [PATCH 06/17] create-diff-object: don't create dynamic reloc for
+Subject: [PATCH 06/21] create-diff-object: don't create dynamic reloc for
  symbol exported by patch itself
 
 when a patch export a new function, ___kcrctab+xxx has a reloc,
@@ -13,10 +13,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  1 file changed, 3 insertions(+)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 9f1abc0..18ed1f7 100644
+index 78f5a7e..2cda233 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -3039,6 +3039,9 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+@@ -3053,6 +3053,9 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  					if (!strcmp(sym_objname, "vmlinux"))
  						continue;
  
@@ -28,4 +28,3 @@ index 9f1abc0..18ed1f7 100644
  			}
 -- 
 2.18.1
-

0007-create-diff-object-create-dynamic-relocs-for-changed.patch

@@ -1,7 +1,7 @@
-From a743990bb6d871fb8cd5ffe6f78ffaa8d5ee7c0a Mon Sep 17 00:00:00 2001
+From f6d53ba1e5d1b8c8e026bd537235e201f8482065 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Fri, 2 Nov 2018 17:25:38 +0000
-Subject: [PATCH 07/17] create-diff-object: create dynamic relocs for changed
+Subject: [PATCH 07/21] create-diff-object: create dynamic relocs for changed
  functions in this object
 
 Currently, we only create dynamic relocs for changed functions of
@@ -26,10 +26,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  1 file changed, 16 insertions(+), 4 deletions(-)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 18ed1f7..5cdb97b 100644
+index 2cda233..67c062e 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -2883,6 +2883,14 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+@@ -2897,6 +2897,14 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  			 */
  			if (may_need_dynrela(rela))
  				toc_rela(rela)->need_dynrela = 1;
@@ -44,7 +44,7 @@ index 18ed1f7..5cdb97b 100644
  		}
  	}
  
-@@ -2965,10 +2973,14 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+@@ -2979,10 +2987,14 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  				/* An unchanged local symbol */
  				ret = lookup_local_symbol(table,
  					rela->sym->name, &result);
@@ -65,4 +65,3 @@ index 18ed1f7..5cdb97b 100644
  				/*
 -- 
 2.18.1
-

0008-fix-rodata.str-problem.patch

@@ -1,7 +1,7 @@
-From b356b59eb0f4c21ae927b036a45e573899a59378 Mon Sep 17 00:00:00 2001
+From 10370cef2ef3e690355412048d19a88f81fa465b Mon Sep 17 00:00:00 2001
 From: Zhiyu Hu <huzhiyu1@huawei.com>
 Date: Fri, 28 Dec 2018 07:06:38 +0000
-Subject: [PATCH 08/17] fix rodata.str problem
+Subject: [PATCH 08/21] fix rodata.str problem
 
 fix some rodata.str problem
 
@@ -11,10 +11,10 @@ Signed-off-by: Zhiyu Hu <huzhiyu1@huawei.com>
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 5cdb97b..643ae3e 100644
+index 67c062e..bb2a803 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -1620,7 +1620,7 @@ static void kpatch_include_standard_elements(struct kpatch_elf *kelf)
+@@ -1632,7 +1632,7 @@ static void kpatch_include_standard_elements(struct kpatch_elf *kelf)
  		    !strcmp(sec->name, ".toc") ||
  		    !strcmp(sec->name, ".rodata") ||
  		    (!strncmp(sec->name, ".rodata.", 8) &&
@@ -25,4 +25,3 @@ index 5cdb97b..643ae3e 100644
  	}
 -- 
 2.18.1
-

0009-livepatch-patch-hook-don-t-active-patch-when-insmod.patch

@@ -1,7 +1,7 @@
-From c14444fc4049048abd445462676576cd8b043ea3 Mon Sep 17 00:00:00 2001
+From 66b833f4de9dca62b97f077df962c3702c919664 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Tue, 25 Feb 2020 23:40:37 -0500
-Subject: [PATCH 09/17] livepatch-patch-hook: don't active patch when insmod
+Subject: [PATCH 09/21] livepatch-patch-hook: don't active patch when insmod
 
 Don't active patch after loading the patch when
 DISABLE_AFTER_LOAD is set.
@@ -49,4 +49,3 @@ index 17a5e11..894f0ab 100755
  if [[ -z "$USERSRCDIR" ]] && [[ "$DISTRO" = ubuntu ]]; then
 -- 
 2.18.1
-

0010-kpatch-build-enhance-for-out-of-tree-module.patch

@@ -1,7 +1,7 @@
-From a8cf8f9bd90e0e7fde437a59715aa21622fad7b6 Mon Sep 17 00:00:00 2001
+From 8486c25a0b94eb9b415572eec58508204d8e5458 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Wed, 26 Feb 2020 06:44:06 -0500
-Subject: [PATCH 10/17] kpatch-build: enhance for out of tree module
+Subject: [PATCH 10/21] kpatch-build: enhance for out of tree module
 
 support set USERMODBUILDDIR to build patch for out
 of tree module.
@@ -130,4 +130,3 @@ index 894f0ab..4e38412 100755
  		readelf -s --wide "$KOBJFILE_PATH" > "$SYMTAB"
 -- 
 2.18.1
-

0011-support-c-plus-kernel-module.patch

@@ -1,7 +1,7 @@
-From 20de56a8393e6be3b556156124aa4b2139b10733 Mon Sep 17 00:00:00 2001
+From e438d0139d5e0c60b1e8dc78af8825f1a26fa438 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Wed, 26 Feb 2020 07:36:59 -0500
-Subject: [PATCH 11/17] support c plus kernel module
+Subject: [PATCH 11/21] support c plus kernel module
 
 support GNU_UNIQUE type symbols.
 support .group section corelation.
@@ -17,10 +17,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  5 files changed, 55 insertions(+), 25 deletions(-)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 643ae3e..190753a 100644
+index bb2a803..5f90c6b 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -454,7 +454,7 @@ static void kpatch_compare_correlated_nonrela_section(struct section *sec)
+@@ -459,7 +459,7 @@ static void kpatch_compare_correlated_nonrela_section(struct section *sec)
  {
  	struct section *sec1 = sec, *sec2 = sec->twin;
  
@@ -29,7 +29,7 @@ index 643ae3e..190753a 100644
  	    memcmp(sec1->data->d_buf, sec2->data->d_buf, sec1->data->d_size))
  		sec->status = CHANGED;
  	else
-@@ -470,7 +470,7 @@ static void kpatch_compare_correlated_section(struct section *sec)
+@@ -475,7 +475,7 @@ static void kpatch_compare_correlated_section(struct section *sec)
  	    sec1->sh.sh_flags != sec2->sh.sh_flags ||
  	    sec1->sh.sh_entsize != sec2->sh.sh_entsize ||
  	    (sec1->sh.sh_addralign != sec2->sh.sh_addralign &&
@@ -38,7 +38,7 @@ index 643ae3e..190753a 100644
  		DIFF_FATAL("%s section header details differ from %s", sec1->name, sec2->name);
  
  	/* Short circuit for mcount sections, we rebuild regardless */
-@@ -907,6 +907,33 @@ static void kpatch_correlate_section(struct section *sec1, struct section *sec2)
+@@ -912,6 +912,33 @@ static void kpatch_correlate_section(struct section *sec1, struct section *sec2)
  		kpatch_correlate_symbol(sec1->sym, sec2->sym);
  }
  
@@ -72,7 +72,7 @@ index 643ae3e..190753a 100644
  static void kpatch_correlate_sections(struct list_head *seclist1, struct list_head *seclist2)
  {
  	struct section *sec1, *sec2;
-@@ -924,15 +951,19 @@ static void kpatch_correlate_sections(struct list_head *seclist1, struct list_he
+@@ -929,15 +956,19 @@ static void kpatch_correlate_sections(struct list_head *seclist1, struct list_he
  					      sec1->secsym))
  				continue;
  
@@ -100,7 +100,7 @@ index 643ae3e..190753a 100644
  					continue;
  			}
  
-@@ -1507,17 +1538,6 @@ static void kpatch_verify_patchability(struct kpatch_elf *kelf)
+@@ -1519,17 +1550,6 @@ static void kpatch_verify_patchability(struct kpatch_elf *kelf)
  			errs++;
  		}
  
@@ -132,10 +132,10 @@ index 4e38412..4896136 100755
  cp -f "$TEMPDIR/patch/$MODNAME.ko" "$BASE" || die
  
 diff --git a/kpatch-build/kpatch-elf.c b/kpatch-build/kpatch-elf.c
-index 1c0e099..debf028 100644
+index c6af59e..b3ca7f5 100644
 --- a/kpatch-build/kpatch-elf.c
 +++ b/kpatch-build/kpatch-elf.c
-@@ -708,8 +708,14 @@ void kpatch_reindex_elements(struct kpatch_elf *kelf)
+@@ -710,8 +710,14 @@ void kpatch_reindex_elements(struct kpatch_elf *kelf)
  	unsigned int index;
  
  	index = 1; /* elf write function handles NULL section 0 */
@@ -190,4 +190,3 @@ index 8387e8b..4e2fcb9 100644
  			result->size = sym->size;
 -- 
 2.18.1
-

0012-symbol-lookup-enhancement.patch

@@ -1,7 +1,7 @@
-From 56ec8b76667fb6c7fbc018a8fe7a77f144232f3f Mon Sep 17 00:00:00 2001
+From cf0a8995e6924d8130087a4859c5bf619515768d Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Wed, 26 Feb 2020 22:03:55 -0500
-Subject: [PATCH 12/17] symbol lookup enhancement
+Subject: [PATCH 12/21] symbol lookup enhancement
 
 For symbols which have same name in one module or have
 length longger than KSYM_NAME_LEN(128 bytes). we add
@@ -14,15 +14,15 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
 ---
  kmod/patch/kpatch-patch.h          |   4 +
  kpatch-build/create-diff-object.c  |  46 ++++++++++-
- kpatch-build/create-klp-module.c   |  25 +++++-
+ kpatch-build/create-klp-module.c   |  26 ++++--
  kpatch-build/kpatch-build          |  12 +++
  kpatch-build/kpatch-intermediate.h |   2 +
  kpatch-build/lookup.c              | 123 ++++++++++++++++++++++++++++-
  kpatch-build/lookup.h              |  13 +++
- 7 files changed, 217 insertions(+), 8 deletions(-)
+ 7 files changed, 217 insertions(+), 9 deletions(-)
 
 diff --git a/kmod/patch/kpatch-patch.h b/kmod/patch/kpatch-patch.h
-index 917ea32..7cd6dae 100644
+index da4f6a0..3530f66 100644
 --- a/kmod/patch/kpatch-patch.h
 +++ b/kmod/patch/kpatch-patch.h
 @@ -30,6 +30,8 @@ struct kpatch_patch_func {
@@ -37,17 +37,17 @@ index 917ea32..7cd6dae 100644
 @@ -41,6 +43,8 @@ struct kpatch_patch_dynrela {
  	char *objname;
  	int external;
- 	int addend;
-+	char *ref_name;
-+	long ref_offset;
+ 	long addend;
++    char *ref_name;
++    long ref_offset;
  };
  
  struct kpatch_pre_patch_callback {
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 190753a..55db18c 100644
+index 5f90c6b..1bec4f4 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -2734,6 +2734,28 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
+@@ -2748,6 +2748,28 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
  			funcs[index].old_size = result.size;
  			funcs[index].new_size = sym->sym.st_size;
  			funcs[index].sympos = result.pos;
@@ -68,24 +68,24 @@ index 190753a..55db18c 100644
 +				rela->sym = strsym;
 +				rela->type = absolute_rela_type;
 +				rela->addend = offset_of_string(&kelf->strings, refsym.name);
-+				rela->offset = index * sizeof(*funcs) +
-+					offsetof(struct kpatch_patch_func, ref_name);
++				rela->offset = (unsigned int)(index * sizeof(*funcs) +
++					offsetof(struct kpatch_patch_func, ref_name));
 +
 +			}
 +
  
  			/*
  			 * Add a relocation that will populate
-@@ -2753,7 +2775,7 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
+@@ -2767,7 +2789,7 @@ static void kpatch_create_patches_sections(struct kpatch_elf *kelf,
  			ALLOC_LINK(rela, &relasec->relas);
  			rela->sym = strsym;
  			rela->type = absolute_rela_type;
 -			rela->addend = offset_of_string(&kelf->strings, sym->name);
 +			rela->addend = offset_of_string(&kelf->strings, strndup(sym->name, KSYM_NAME_LEN-1));
- 			rela->offset = index * sizeof(*funcs) +
- 			               offsetof(struct kpatch_patch_func, name);
+ 			rela->offset = (unsigned int)(index * sizeof(*funcs) +
+ 			               offsetof(struct kpatch_patch_func, name));
  
-@@ -2872,6 +2894,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+@@ -2886,6 +2908,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  	struct lookup_result result;
  	char *sym_objname;
  	int ret, vmlinux, external;
@@ -93,7 +93,7 @@ index 190753a..55db18c 100644
  
  	vmlinux = !strcmp(objname, "vmlinux");
  
-@@ -3080,12 +3103,28 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+@@ -3094,12 +3117,28 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  			log_debug("lookup for %s @ 0x%016lx len %lu\n",
  			          rela->sym->name, result.value, result.size);
  
@@ -116,23 +116,23 @@ index 190753a..55db18c 100644
 +					rela2->sym = strsym;
 +					rela2->type = absolute_rela_type;
 +					rela2->addend = offset_of_string(&kelf->strings, refsym.name);
-+					rela2->offset = index * sizeof(*krelas) +
-+						offsetof(struct kpatch_relocation, ref_name);
++					rela2->offset = (unsigned int)(index * sizeof(*krelas) +
++						offsetof(struct kpatch_relocation, ref_name));
 +				}
 +			}
  			ksyms[index].pos = result.pos;
  			ksyms[index].type = rela->sym->type;
  			ksyms[index].bind = rela->sym->bind;
-@@ -3094,7 +3133,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+@@ -3108,7 +3147,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  			ALLOC_LINK(rela2, &ksym_sec->rela->relas);
  			rela2->sym = strsym;
  			rela2->type = absolute_rela_type;
 -			rela2->addend = offset_of_string(&kelf->strings, rela->sym->name);
 +			rela2->addend = offset_of_string(&kelf->strings, strndup(rela->sym->name, KSYM_NAME_LEN-1));
- 			rela2->offset = index * sizeof(*ksyms) + \
- 					offsetof(struct kpatch_symbol, name);
+ 			rela2->offset = (unsigned int)(index * sizeof(*ksyms) + \
+ 					offsetof(struct kpatch_symbol, name));
  
-@@ -3113,6 +3152,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+@@ -3127,6 +3166,7 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  			krelas[index].addend = rela->addend;
  			krelas[index].type = rela->type;
  			krelas[index].external = external;
@@ -141,7 +141,7 @@ index 190753a..55db18c 100644
  			/* add rela to fill in krelas[index].dest field */
  			ALLOC_LINK(rela2, &krela_sec->rela->relas);
 diff --git a/kpatch-build/create-klp-module.c b/kpatch-build/create-klp-module.c
-index d995525..5073a04 100644
+index a97b146..0b441fa 100644
 --- a/kpatch-build/create-klp-module.c
 +++ b/kpatch-build/create-klp-module.c
 @@ -38,7 +38,9 @@ enum loglevel loglevel = NORMAL;
@@ -175,18 +175,18 @@ index d995525..5073a04 100644
 @@ -176,6 +183,7 @@ static void create_klp_relasecs_and_syms(struct kpatch_elf *kelf, struct section
  	struct rela *rela;
  	char *objname;
- 	int nr, index, offset, dest_off;
-+	char *ref_name;
+ 	unsigned int nr, index, offset, dest_off;
++    char *ref_name;
  
  	krelas = krelasec->data->d_buf;
- 	nr = krelasec->data->d_size / sizeof(*krelas);
+ 	nr = (unsigned int)(krelasec->data->d_size / sizeof(*krelas));
 @@ -200,6 +208,15 @@ static void create_klp_relasecs_and_syms(struct kpatch_elf *kelf, struct section
  
  		objname = strings + rela->addend;
  
 +		/* Get the unique ref_name */
 +		rela = find_rela_by_offset(krelasec->rela,
-+					   offset + offsetof(struct kpatch_relocation, ref_name));
++					   (unsigned int)(offset + offsetof(struct kpatch_relocation, ref_name)));
 +		if (!rela)
 +			ref_name = NULL;
 +		else {
@@ -195,13 +195,14 @@ index d995525..5073a04 100644
 +
  		/* Get the .kpatch.symbol entry for the rela src */
  		rela = find_rela_by_offset(krelasec->rela,
- 					   offset + offsetof(struct kpatch_relocation, ksym));
-@@ -207,7 +224,7 @@ static void create_klp_relasecs_and_syms(struct kpatch_elf *kelf, struct section
+ 			(unsigned int)(offset + offsetof(struct kpatch_relocation, ksym)));
+@@ -207,8 +224,7 @@ static void create_klp_relasecs_and_syms(struct kpatch_elf *kelf, struct section
  			ERROR("find_rela_by_offset");
  
  		/* Create (or find) a klp symbol from the rela src entry */
--		sym = find_or_add_ksym_to_symbols(kelf, ksymsec, strings, rela->addend);
-+		sym = find_or_add_ksym_to_symbols(kelf, ksymsec, strings, rela->addend, ref_name, krelas[index].ref_offset);
+-		sym = find_or_add_ksym_to_symbols(kelf, ksymsec, strings,
+-							(unsigned int)rela->addend);
++		sym = find_or_add_ksym_to_symbols(kelf, ksymsec, strings, (unsigned int)rela->addend, ref_name, krelas[index].ref_offset);
  		if (!sym)
  			ERROR("error finding or adding ksym to symtab");
  
@@ -229,15 +230,15 @@ index 4896136..8bef7fb 100755
  				BUILDDIR="/lib/modules/$ARCHVERSION/build/"
  				SYMVERS_FILE="$TEMPDIR/Module.symvers"
 diff --git a/kpatch-build/kpatch-intermediate.h b/kpatch-build/kpatch-intermediate.h
-index 3dea775..59deed0 100644
+index 7230cd4..7247cac 100644
 --- a/kpatch-build/kpatch-intermediate.h
 +++ b/kpatch-build/kpatch-intermediate.h
 @@ -39,6 +39,8 @@ struct kpatch_relocation {
- 	int external;
+ 	long addend;
  	char *objname; /* object to which this rela applies to */
  	struct kpatch_symbol *ksym;
-+	char *ref_name;
-+	long ref_offset;
++    char *ref_name;
++    long ref_offset;
  };
  
  struct kpatch_arch {
@@ -451,4 +452,3 @@ index 420d0f0..fed3fe9 100644
  #endif /* _LOOKUP_H_ */
 -- 
 2.18.1
-

0013-Add-running-kernel-symbol-table-to-help-symbol-looku.patch

@@ -1,7 +1,7 @@
-From 05051ffc7abcb953fb1ec51b0826b41f160ce191 Mon Sep 17 00:00:00 2001
+From 0475b1196c1b5eea3a52e2ff104be91fb27192be Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Wed, 26 Feb 2020 20:28:13 -0500
-Subject: [PATCH 13/17] Add running kernel symbol table to help symbol lookup
+Subject: [PATCH 13/21] Add running kernel symbol table to help symbol lookup
 
 For some duplicate symbols whose section have no other
 symbols, we need running kernel symbol table to help
@@ -15,10 +15,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  3 files changed, 80 insertions(+), 3 deletions(-)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 55db18c..4589ba4 100644
+index 1bec4f4..10d07ba 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -3564,6 +3564,7 @@ int main(int argc, char *argv[])
+@@ -3578,6 +3578,7 @@ int main(int argc, char *argv[])
  	struct sym_compare_type *base_locals, *sym_comp;
  	char *no_profiling_calls = NULL;
  	char *gcc_add_option = NULL, *mlongcall = NULL;
@@ -26,7 +26,7 @@ index 55db18c..4589ba4 100644
  
  	arguments.debug = 0;
  	argp_parse (&argp, argc, argv, 0, NULL, &arguments);
-@@ -3677,8 +3678,12 @@ int main(int argc, char *argv[])
+@@ -3691,8 +3692,12 @@ int main(int argc, char *argv[])
  	 */
  	kpatch_elf_teardown(kelf_patched);
  
@@ -168,4 +168,3 @@ index fed3fe9..00b6ccc 100644
                          struct lookup_result *result);
 -- 
 2.18.1
-

0014-livepatch-patch-hook-support-force-enable-disable.patch

@@ -1,7 +1,7 @@
-From b63c72375420cb098a81167c48d822d596e770a9 Mon Sep 17 00:00:00 2001
+From aacab0b9a2f65adfee8258515cbbb34546f3acc7 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Wed, 26 Feb 2020 20:43:34 -0500
-Subject: [PATCH 14/17] livepatch-patch-hook: support force enable/disable
+Subject: [PATCH 14/21] livepatch-patch-hook: support force enable/disable
 
 we use force to indicate function which bypass stack check
 
@@ -64,4 +64,3 @@ index 8bef7fb..57487b1 100755
  fi
 -- 
 2.18.1
-

0015-kpatch-build-ignore-debuginfo-in-patch.patch

@@ -1,7 +1,7 @@
-From 720769ca54d446baf9cbc986fd2a8832da45ce71 Mon Sep 17 00:00:00 2001
+From 4e3c6975dcd0d36509a69bbed1f200f3c49fab23 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Wed, 26 Feb 2020 21:01:02 -0500
-Subject: [PATCH 15/17] kpatch-build: ignore debuginfo in patch
+Subject: [PATCH 15/21] kpatch-build: ignore debuginfo in patch
 
 Just ignore all .debug_* sections
 
@@ -12,10 +12,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  2 files changed, 19 insertions(+)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 4589ba4..c466eb0 100644
+index 10d07ba..495cce1 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -2396,6 +2396,23 @@ static void kpatch_include_debug_sections(struct kpatch_elf *kelf)
+@@ -2409,6 +2409,23 @@ static void kpatch_include_debug_sections(struct kpatch_elf *kelf)
  	}
  }
  
@@ -39,14 +39,14 @@ index 4589ba4..c466eb0 100644
  static void kpatch_mark_ignored_sections(struct kpatch_elf *kelf)
  {
  	struct section *sec, *strsec, *ignoresec;
-@@ -3645,6 +3662,7 @@ int main(int argc, char *argv[])
- 	kpatch_include_standard_elements(kelf_patched);
- 	num_changed = kpatch_include_changed_functions(kelf_patched);
+@@ -3663,6 +3680,7 @@ int main(int argc, char *argv[])
+ 	new_globals_exist = kpatch_include_new_globals(kelf_patched);
+     kpatch_include_new_static_var(kelf_patched);
  	kpatch_include_debug_sections(kelf_patched);
 +	kpatch_ignore_debug_sections(kelf_patched);
- 	callbacks_exist = kpatch_include_callback_elements(kelf_patched);
- 	kpatch_include_force_elements(kelf_patched);
- 	new_globals_exist = kpatch_include_new_globals(kelf_patched);
+ 
+ 	kpatch_process_special_sections(kelf_patched);
+ 
 diff --git a/kpatch-build/kpatch-build b/kpatch-build/kpatch-build
 index 57487b1..c109ee3 100755
 --- a/kpatch-build/kpatch-build
@@ -61,4 +61,3 @@ index 57487b1..c109ee3 100755
  	if [[ -z "$KPATCH_LDFLAGS" ]]; then
 -- 
 2.18.1
-

0016-add-object-in-kpatch.patch

@@ -1,7 +1,7 @@
-From dd03a70462783a9e8426ff76e42c41a7eaab644f Mon Sep 17 00:00:00 2001
+From ea1fb4eb836033b33f08047c3a1cb74a1a458fb2 Mon Sep 17 00:00:00 2001
 From: Bin Yang <robin.yb@huawei.com>
 Date: Tue, 16 Jul 2019 14:39:27 +0800
-Subject: [PATCH 16/17] add object in kpatch
+Subject: [PATCH 16/21] add object in kpatch
 
 ---
  kpatch-build/kpatch-build | 3 +++
@@ -30,4 +30,3 @@ index c109ee3..de448dc 100755
  
 -- 
 2.18.1
-

0017-create-diff-object-fix-.orc_unwind_ip-error.patch

@@ -1,7 +1,7 @@
-From 96e3ca2fbed32589510c800e9efe31bab2f5e58a Mon Sep 17 00:00:00 2001
+From 9fa4a3a0a62a383e635ea7de631176a4513f6db9 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Thu, 27 Feb 2020 15:36:55 -0500
-Subject: [PATCH 17/17] create-diff-object: fix .orc_unwind_ip error
+Subject: [PATCH 17/21] create-diff-object: fix .orc_unwind_ip error
 
 error: .orc_unwind_ip section header details
 differ from .orc_unwind_ip
@@ -14,10 +14,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  1 file changed, 6 insertions(+)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index c466eb0..320b239 100644
+index 495cce1..45979d6 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -967,6 +967,9 @@ static void kpatch_correlate_sections(struct list_head *seclist1, struct list_he
+@@ -972,6 +972,9 @@ static void kpatch_correlate_sections(struct list_head *seclist1, struct list_he
  					continue;
  			}
  
@@ -27,7 +27,7 @@ index c466eb0..320b239 100644
  			kpatch_correlate_section(sec1, sec2);
  			break;
  		}
-@@ -1012,6 +1015,9 @@ static void kpatch_correlate_symbols(struct list_head *symlist1, struct list_hea
+@@ -1017,6 +1020,9 @@ static void kpatch_correlate_symbols(struct list_head *symlist1, struct list_hea
  			    sym1->sec->twin != sym2->sec)
  				continue;
  
@@ -39,4 +39,3 @@ index c466eb0..320b239 100644
  		}
 -- 
 2.18.1
-

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

@@ -1,7 +1,7 @@
-From 4d13c1b29b2172e6758d18b153f149e461c6d9c3 Mon Sep 17 00:00:00 2001
+From 7c7f582a9b051c4570a00f215f5534ff0fdfd9a0 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
+Subject: [PATCH 18/21] 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
@@ -13,10 +13,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  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
+index 45979d6..7d24c7e 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,
+@@ -3131,10 +3131,8 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
  					if (!strcmp(sym_objname, "vmlinux"))
  						continue;
  
@@ -30,4 +30,3 @@ index 320b239..64e5686 100644
  			log_debug("lookup for %s @ 0x%016lx len %lu\n",
 -- 
 2.18.1
-

0019-create-diff-object-add-jump-label-support.patch

@@ -1,7 +1,7 @@
-From b3b20140aa243b371f478f325420ecbffd3ee3d6 Mon Sep 17 00:00:00 2001
+From 9233e07a0dfdb3eceb44093feb2e5928a9e391d9 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Mon, 2 Mar 2020 04:35:07 -0500
-Subject: [PATCH] create-diff-object: add jump label support
+Subject: [PATCH 19/21] create-diff-object: add jump label support
 
 This patch processes the __jump_table special section, and
 only the jump_lable used by the changed functions will be
@@ -15,10 +15,10 @@ Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
  1 file changed, 1 insertion(+), 46 deletions(-)
 
 diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
-index 7230e93..18d6c7f 100644
+index 7d24c7e..448911b 100644
 --- a/kpatch-build/create-diff-object.c
 +++ b/kpatch-build/create-diff-object.c
-@@ -2116,7 +2116,6 @@ static void kpatch_regenerate_special_section(struct kpatch_elf *kelf,
+@@ -2135,7 +2135,6 @@ static void kpatch_regenerate_special_section(struct kpatch_elf *kelf,
  	struct rela *rela, *safe;
  	char *src, *dest;
  	unsigned int group_size, src_offset, dest_offset, include;
@@ -26,7 +26,7 @@ index 7230e93..18d6c7f 100644
  
  	LIST_HEAD(newrelas);
  
-@@ -2156,49 +2155,6 @@ static void kpatch_regenerate_special_section(struct kpatch_elf *kelf,
+@@ -2175,49 +2174,6 @@ static void kpatch_regenerate_special_section(struct kpatch_elf *kelf,
  		if (!include)
  			continue;
  
@@ -76,7 +76,7 @@ index 7230e93..18d6c7f 100644
  		/*
  		 * Copy all relas in the group.  It's possible that the relas
  		 * aren't sorted (e.g. .rela.fixup), so go through the entire
-@@ -2635,8 +2591,7 @@ static void kpatch_process_special_sections(struct kpatch_elf *kelf)
+@@ -2654,8 +2610,7 @@ static void kpatch_process_special_sections(struct kpatch_elf *kelf)
  	 * jump labels and enable tracepoints in a patched function.
  	 */
  	list_for_each_entry(sec, &kelf->sections, list) {
@@ -88,4 +88,3 @@ index 7230e93..18d6c7f 100644
  			continue;
 -- 
 2.18.1
-

0020-kpatch-build-add-compile-flag-fno-reorder-functions.patch

@@ -1,7 +1,7 @@
-From 65a3ae0c692a22d097f7257ae88bbe6bc2b73de8 Mon Sep 17 00:00:00 2001
+From da47ad5e439e9ba9422cac2ade847463bc8578ee Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Thu, 12 Mar 2020 06:56:21 -0400
-Subject: [PATCH] kpatch-build: add compile flag -fno-reorder-functions
+Subject: [PATCH 20/21] kpatch-build: add compile flag -fno-reorder-functions
 
 Sometimes function foo with static variables can be put in
 .text.foo section in original binary and be put in
@@ -37,4 +37,3 @@ index de448dc..ad7ab71 100755
  echo "Reading special section data"
 -- 
 2.18.1
-

0021-kpatch-build-don-t-copy-.config-for-out-of-tree-modu.patch

@@ -1,7 +1,7 @@
-From 1155b58be699eb2e55af7757e6b0d0ce03356d63 Mon Sep 17 00:00:00 2001
+From b05aaaf13978393f8e9c2329a80765c0069e7e87 Mon Sep 17 00:00:00 2001
 From: Zhipeng Xie <xiezhipeng1@huawei.com>
 Date: Thu, 12 Mar 2020 07:37:00 -0400
-Subject: [PATCH] kpatch-build: don't copy .config for out of tree module
+Subject: [PATCH 21/21] kpatch-build: don't copy .config for out of tree module
 
 Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
 ---
@@ -23,4 +23,3 @@ index ad7ab71..fd34812 100755
  # according to .config and kernel version
 -- 
 2.18.1
-

0022-support-force-enable-disable-for-x86.patch

@@ -0,0 +1,57 @@
+From 4cad4a9ec87736e938ccd13b62c5ef8e595a591e Mon Sep 17 00:00:00 2001
+From: Zhipeng Xie <xiezhipeng1@huawei.com>
+Date: Wed, 15 Apr 2020 06:37:59 -0400
+Subject: [PATCH 22/22] support force enable/disable for x86
+
+detect if the klp_func structure in vmlinux have force
+member, if it has, export KLP_SUPPORT_FORCE=y.
+
+Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
+---
+ kpatch-build/kpatch-build | 8 ++++++--
+ 1 file changed, 6 insertions(+), 2 deletions(-)
+
+diff --git a/kpatch-build/kpatch-build b/kpatch-build/kpatch-build
+index fd34812..523d5df 100755
+--- a/kpatch-build/kpatch-build
++++ b/kpatch-build/kpatch-build
+@@ -373,7 +373,7 @@ find_special_section_data() {
+ 	# shellcheck disable=SC2086
+ 	SPECIAL_VARS="$(readelf -wi "$VMLINUX" |
+ 		gawk --non-decimal-data $AWK_OPTIONS '
+-		BEGIN { a = b = p = e = o = j = 0 }
++		BEGIN { a = b = p = e = o = j = c = f = 0 }
+ 
+ 		# Set state if name matches
+ 		a == 0 && /DW_AT_name.* alt_instr[[:space:]]*$/ {a = 1; next}
+@@ -382,6 +382,7 @@ find_special_section_data() {
+ 		e == 0 && /DW_AT_name.* exception_table_entry[[:space:]]*$/ {e = 1; next}
+ 		o == 0 && /DW_AT_name.* orc_entry[[:space:]]*$/ {o = 1; next}
+ 		j == 0 && /DW_AT_name.* jump_entry[[:space:]]*$/ {j = 1; next}
++		c == 0 && /DW_AT_name.* klp_func[[:space:]]*$/ {c = 1; next}
+ 
+ 		# Reset state unless this abbrev describes the struct size
+ 		a == 1 && !/DW_AT_byte_size/ { a = 0; next }
+@@ -390,6 +391,8 @@ find_special_section_data() {
+ 		e == 1 && !/DW_AT_byte_size/ { e = 0; next }
+ 		o == 1 && !/DW_AT_byte_size/ { o = 0; next }
+ 		j == 1 && !/DW_AT_byte_size/ { j = 0; next }
++		c == 1 && /DW_TAG_structure_type/ { c = 3; next }
++		c == 1 && /DW_AT_name.* force[[:space:]]*$/ {f = 2; next}
+ 
+ 		# Now that we know the size, stop parsing for it
+ 		a == 1 {printf("export ALT_STRUCT_SIZE=%d\n", $4); a = 2}
+@@ -398,9 +401,10 @@ find_special_section_data() {
+ 		e == 1 {printf("export EX_STRUCT_SIZE=%d\n", $4); e = 2}
+ 		o == 1 {printf("export ORC_STRUCT_SIZE=%d\n", $4); o = 2}
+ 		j == 1 {printf("export JUMP_STRUCT_SIZE=%d\n", $4); j = 2}
++		f == 2 {printf("export KLP_SUPPORT_FORCE=y\n"); f = 3}
+ 
+ 		# Bail out once we have everything
+-		a == 2 && b == 2 && (p == 2 || skip_p) && e == 2 && (o == 2 || skip_o) && (j == 2 || skip_j) {exit}')"
++		a == 2 && b == 2 && (p == 2 || skip_p) && e == 2 && (o == 2 || skip_o) && (j == 2 || skip_j) && c == 3 {exit}')"
+ 
+ 	[[ -n "$SPECIAL_VARS" ]] && eval "$SPECIAL_VARS"
+ 
+-- 
+2.18.1

0023-create-diff-object-fix-duplicate-symbols-for-vmlinux.patch

@@ -0,0 +1,56 @@
+From 50401005b1a16b93307390983dd61f480492d495 Mon Sep 17 00:00:00 2001
+From: Zhipeng Xie <xiezhipeng1@huawei.com>
+Date: Wed, 22 Apr 2020 05:55:33 -0400
+Subject: [PATCH] create-diff-object: fix duplicate symbols for vmlinux
+
+symbol pos in vmlinux may be different with runtime
+/proc/kallsyms, use ref_name and ref_offset method too.
+
+Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
+---
+ kpatch-build/create-diff-object.c | 28 +++++++++++++++-------------
+ 1 file changed, 15 insertions(+), 13 deletions(-)
+
+diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
+index 2b1ee36..c0c8106 100644
+--- a/kpatch-build/create-diff-object.c
++++ b/kpatch-build/create-diff-object.c
+@@ -3100,21 +3100,23 @@ static void kpatch_create_intermediate_sections(struct kpatch_elf *kelf,
+ 			else {
+ 				/* for modules, src is discovered at runtime */
+ 				ksyms[index].src = 0;
+-				if (lookup_is_duplicate_symbol(table, rela->sym->name, objname, result.pos)) {
+-					struct lookup_refsym refsym;
+-
+-					if (lookup_ref_symbol_offset(table, rela->sym->name, &refsym, objname, &ref_offset))
+-						ERROR("unresolvable ambiguity on symbol %s\n", rela->sym->name);
+-
+-					/* add rela to fill in ref_name field */
+-					ALLOC_LINK(rela2, &krela_sec->rela->relas);
+-					rela2->sym = strsym;
+-					rela2->type = absolute_rela_type;
+-					rela2->addend = offset_of_string(&kelf->strings, refsym.name);
+-					rela2->offset = (unsigned int)(index * sizeof(*krelas) +
++			}
++
++			if (lookup_is_duplicate_symbol(table, rela->sym->name, objname, result.pos)) {
++				struct lookup_refsym refsym;
++
++				if (lookup_ref_symbol_offset(table, rela->sym->name, &refsym, objname, &ref_offset))
++					ERROR("unresolvable ambiguity on symbol %s\n", rela->sym->name);
++
++				/* add rela to fill in ref_name field */
++				ALLOC_LINK(rela2, &krela_sec->rela->relas);
++				rela2->sym = strsym;
++				rela2->type = absolute_rela_type;
++				rela2->addend = offset_of_string(&kelf->strings, refsym.name);
++				rela2->offset = (unsigned int)(index * sizeof(*krelas) +
+ 						offsetof(struct kpatch_relocation, ref_name));
+-				}
+ 			}
++
+ 			ksyms[index].pos = result.pos;
+ 			ksyms[index].type = rela->sym->type;
+ 			ksyms[index].bind = rela->sym->bind;
+-- 
+2.18.1

kpatch.spec

@@ -1,8 +1,9 @@
-%global raw_version 0.9.0
+%global raw_version 0.9.1
 
 Name:           kpatch
-Version:        2.0
-Release:        3.1.26
+Epoch:          1
+Version:        %{raw_version}
+Release:        2
 Summary:        A Linux dynamic kernel patching infrastructure
 
 License:        GPLv2
@@ -34,8 +35,10 @@ Patch0018:0018-use-orignal-reloc-for-symbols-from-modules.patch
 Patch0019:0019-create-diff-object-add-jump-label-support.patch
 Patch0020:0020-kpatch-build-add-compile-flag-fno-reorder-functions.patch
 Patch0021:0021-kpatch-build-don-t-copy-.config-for-out-of-tree-modu.patch
+Patch0022:0022-support-force-enable-disable-for-x86.patch
+Patch0023:0023-create-diff-object-fix-duplicate-symbols-for-vmlinux.patch
 
-BuildRequires:  gcc elfutils-libelf-devel uname-build-checks kernel kernel-devel
+BuildRequires:  gcc elfutils-libelf-devel uname-build-checks kernel kernel-devel git
 Requires:       bc
 
 %description
@@ -55,7 +58,7 @@ Dynamic kernel patching
 %package_help
 
 %prep
-%autosetup -n %{name}-%{raw_version} -p1
+%autosetup -n %{name}-%{raw_version} -p1 -Sgit
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS" LDFLAGS="$RPM_LD_FLAGS"
@@ -92,6 +95,19 @@ popd
 %{_mandir}/man1/*.1.gz
 
 %changelog
+* Wed Apr 22 2020 Zhipeng Xie<xiezhipeng1@huawei.com> -1:0.9.1-2
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:fix duplicate symbols in vmlinux
+
+* Wed Apr 15 2020 Zhipeng Xie<xiezhipeng1@huawei.com> -1:0.9.1-1
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC:rebase from upstream version v0.9.1
+       Use Epoch to make the version number consistent with the upstream
+
 * Thu Mar 12 2020 Zhipeng Xie<xiezhipeng1@huawei.com> -2.0-3.1.26
 - Type:bugfix
 - ID:NA