2 files changed, 2 insertions, 45 deletions
diff --git a/arch/x86/include/asm/cfi.h b/arch/x86/include/asm/cfi.h
index 3e51ba459154..1751f1eb95ef 100644
--- a/arch/x86/include/asm/cfi.h
+++ b/arch/x86/include/asm/cfi.h
@@ -116,8 +116,6 @@ struct pt_regs;
 #ifdef CONFIG_CFI_CLANG
 enum bug_trap_type handle_cfi_failure(struct pt_regs *regs);
 #define __bpfcall
-extern u32 cfi_bpf_hash;
-extern u32 cfi_bpf_subprog_hash;
 
 static inline int cfi_get_offset(void)
 {
@@ -135,6 +133,8 @@ static inline int cfi_get_offset(void)
 #define cfi_get_offset cfi_get_offset
 
 extern u32 cfi_get_func_hash(void *func);
+#define cfi_get_func_hash cfi_get_func_hash
+
 extern int cfi_get_func_arity(void *func);
 
 #ifdef CONFIG_FINEIBT
@@ -153,12 +153,6 @@ static inline enum bug_trap_type handle_cfi_failure(struct pt_regs *regs)
 {
 	return BUG_TRAP_TYPE_NONE;
 }
-#define cfi_bpf_hash 0U
-#define cfi_bpf_subprog_hash 0U
-static inline u32 cfi_get_func_hash(void *func)
-{
-	return 0;
-}
 static inline int cfi_get_func_arity(void *func)
 {
 	return 0;
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index ea1d984166cd..9f6b7dab2d9a 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -1184,43 +1184,6 @@ bool cfi_bhi __ro_after_init = false;
 #endif
 
 #ifdef CONFIG_CFI_CLANG
-struct bpf_insn;
-
-/* Must match bpf_func_t / DEFINE_BPF_PROG_RUN() */
-extern unsigned int __bpf_prog_runX(const void *ctx,
-				    const struct bpf_insn *insn);
-
-KCFI_REFERENCE(__bpf_prog_runX);
-
-/* u32 __ro_after_init cfi_bpf_hash = __kcfi_typeid___bpf_prog_runX; */
-asm (
-"	.pushsection	.data..ro_after_init,\"aw\",@progbits	\n"
-"	.type	cfi_bpf_hash,@object				\n"
-"	.globl	cfi_bpf_hash					\n"
-"	.p2align	2, 0x0					\n"
-"cfi_bpf_hash:							\n"
-"	.long	__kcfi_typeid___bpf_prog_runX			\n"
-"	.size	cfi_bpf_hash, 4					\n"
-"	.popsection						\n"
-);
-
-/* Must match bpf_callback_t */
-extern u64 __bpf_callback_fn(u64, u64, u64, u64, u64);
-
-KCFI_REFERENCE(__bpf_callback_fn);
-
-/* u32 __ro_after_init cfi_bpf_subprog_hash = __kcfi_typeid___bpf_callback_fn; */
-asm (
-"	.pushsection	.data..ro_after_init,\"aw\",@progbits	\n"
-"	.type	cfi_bpf_subprog_hash,@object			\n"
-"	.globl	cfi_bpf_subprog_hash				\n"
-"	.p2align	2, 0x0					\n"
-"cfi_bpf_subprog_hash:						\n"
-"	.long	__kcfi_typeid___bpf_callback_fn			\n"
-"	.size	cfi_bpf_subprog_hash, 4				\n"
-"	.popsection						\n"
-);
-
 u32 cfi_get_func_hash(void *func)
 {
 	u32 hash;