[PATCH 04/49] x86/alternatives: Rename 'text_poke_bp()' to 'smp_text_poke_single()'

From: Ingo Molnar
Date: Fri Mar 28 2025 - 09:28:10 EST


Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/text-patching.h | 2 +-
arch/x86/kernel/alternative.c | 4 ++--
arch/x86/kernel/ftrace.c | 8 ++++----
arch/x86/kernel/jump_label.c | 2 +-
arch/x86/kernel/kprobes/opt.c | 2 +-
arch/x86/kernel/static_call.c | 2 +-
arch/x86/net/bpf_jit_comp.c | 2 +-
7 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/x86/include/asm/text-patching.h b/arch/x86/include/asm/text-patching.h
index ab9e143ec9fe..5189188b5e49 100644
--- a/arch/x86/include/asm/text-patching.h
+++ b/arch/x86/include/asm/text-patching.h
@@ -39,7 +39,7 @@ extern void *text_poke_copy(void *addr, const void *opcode, size_t len);
extern void *text_poke_copy_locked(void *addr, const void *opcode, size_t len, bool core_ok);
extern void *text_poke_set(void *addr, int c, size_t len);
extern int poke_int3_handler(struct pt_regs *regs);
-extern void text_poke_bp(void *addr, const void *opcode, size_t len, const void *emulate);
+extern void smp_text_poke_single(void *addr, const void *opcode, size_t len, const void *emulate);

extern void text_poke_queue(void *addr, const void *opcode, size_t len, const void *emulate);
extern void text_poke_finish(void);
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 7305c29bc8d1..826c389b22eb 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -2887,7 +2887,7 @@ void __ref text_poke_queue(void *addr, const void *opcode, size_t len, const voi
}

/**
- * text_poke_bp() -- update instructions on live kernel on SMP
+ * smp_text_poke_single() -- update instructions on live kernel on SMP
* @addr: address to patch
* @opcode: opcode of new instruction
* @len: length to copy
@@ -2897,7 +2897,7 @@ void __ref text_poke_queue(void *addr, const void *opcode, size_t len, const voi
* dynamically allocated memory. This function should be used when it is
* not possible to allocate memory.
*/
-void __ref text_poke_bp(void *addr, const void *opcode, size_t len, const void *emulate)
+void __ref smp_text_poke_single(void *addr, const void *opcode, size_t len, const void *emulate)
{
struct text_poke_loc tp;

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index cace6e8d7cc7..7175a0404def 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -186,11 +186,11 @@ int ftrace_update_ftrace_func(ftrace_func_t func)

ip = (unsigned long)(&ftrace_call);
new = ftrace_call_replace(ip, (unsigned long)func);
- text_poke_bp((void *)ip, new, MCOUNT_INSN_SIZE, NULL);
+ smp_text_poke_single((void *)ip, new, MCOUNT_INSN_SIZE, NULL);

ip = (unsigned long)(&ftrace_regs_call);
new = ftrace_call_replace(ip, (unsigned long)func);
- text_poke_bp((void *)ip, new, MCOUNT_INSN_SIZE, NULL);
+ smp_text_poke_single((void *)ip, new, MCOUNT_INSN_SIZE, NULL);

return 0;
}
@@ -492,7 +492,7 @@ void arch_ftrace_update_trampoline(struct ftrace_ops *ops)
mutex_lock(&text_mutex);
/* Do a safe modify in case the trampoline is executing */
new = ftrace_call_replace(ip, (unsigned long)func);
- text_poke_bp((void *)ip, new, MCOUNT_INSN_SIZE, NULL);
+ smp_text_poke_single((void *)ip, new, MCOUNT_INSN_SIZE, NULL);
mutex_unlock(&text_mutex);
}

@@ -586,7 +586,7 @@ static int ftrace_mod_jmp(unsigned long ip, void *func)
const char *new;

new = ftrace_jmp_replace(ip, (unsigned long)func);
- text_poke_bp((void *)ip, new, MCOUNT_INSN_SIZE, NULL);
+ smp_text_poke_single((void *)ip, new, MCOUNT_INSN_SIZE, NULL);
return 0;
}

diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c
index f5b8ef02d172..166e12037199 100644
--- a/arch/x86/kernel/jump_label.c
+++ b/arch/x86/kernel/jump_label.c
@@ -102,7 +102,7 @@ __jump_label_transform(struct jump_entry *entry,
return;
}

- text_poke_bp((void *)jump_entry_code(entry), jlp.code, jlp.size, NULL);
+ smp_text_poke_single((void *)jump_entry_code(entry), jlp.code, jlp.size, NULL);
}

static void __ref jump_label_transform(struct jump_entry *entry,
diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c
index 36d6809c6c9e..9307a40f4983 100644
--- a/arch/x86/kernel/kprobes/opt.c
+++ b/arch/x86/kernel/kprobes/opt.c
@@ -488,7 +488,7 @@ void arch_optimize_kprobes(struct list_head *oplist)
insn_buff[0] = JMP32_INSN_OPCODE;
*(s32 *)(&insn_buff[1]) = rel;

- text_poke_bp(op->kp.addr, insn_buff, JMP32_INSN_SIZE, NULL);
+ smp_text_poke_single(op->kp.addr, insn_buff, JMP32_INSN_SIZE, NULL);

list_del_init(&op->list);
}
diff --git a/arch/x86/kernel/static_call.c b/arch/x86/kernel/static_call.c
index 9e51242ed125..ca6c90d89407 100644
--- a/arch/x86/kernel/static_call.c
+++ b/arch/x86/kernel/static_call.c
@@ -108,7 +108,7 @@ static void __ref __static_call_transform(void *insn, enum insn_type type,
if (system_state == SYSTEM_BOOTING || modinit)
return text_poke_early(insn, code, size);

- text_poke_bp(insn, code, size, emulate);
+ smp_text_poke_single(insn, code, size, emulate);
}

static void __static_call_validate(u8 *insn, bool tail, bool tramp)
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 72776dcb75aa..a6b650909c08 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -629,7 +629,7 @@ static int __bpf_arch_text_poke(void *ip, enum bpf_text_poke_type t,
goto out;
ret = 1;
if (memcmp(ip, new_insn, X86_PATCH_SIZE)) {
- text_poke_bp(ip, new_insn, X86_PATCH_SIZE, NULL);
+ smp_text_poke_single(ip, new_insn, X86_PATCH_SIZE, NULL);
ret = 0;
}
out:
--
2.45.2