From nobody Fri Dec 19 17:33:03 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4834527F4D9 for ; Fri, 11 Apr 2025 05:41:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744350087; cv=none; b=CTI+LnH4P2oyIP/LMyAWV7qpBFuKL61LlaBTwBvSyDRetfpTd/zG9jRDb4CdnkA7cfFn13mTLGN96Nj4TnWIqsByp7uVTlUoqz8Kaa3cANjyO8rZhP9Xx1yzwfFq0cF8Pfdj7IxlPcrvEhyoFgATJQxlXqDXyBZiWQYOeZWLPaQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744350087; c=relaxed/simple; bh=YDcAh8AaLBdt4MGFuGymYgJLwzdIfOqrt+w0YdFhNSQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VBBP699AJNRyCiQCwbT3gfysj3TabrFMq/Y6oauIZ495C5DduoFeBUzY0nwLWpTCs71ZFOCf8v5Axlc8krr+jrrPbfWnnKf7NZ0oqLWDtAmNfaDoD/3Q5A+F8RcCUQGDfBcSaJX/Ag8pEMHY1cRs7X8ivqPlqWfi3eHsBjyeQaY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZmxkPiK7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZmxkPiK7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD5CEC4CEE5; Fri, 11 Apr 2025 05:41:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744350086; bh=YDcAh8AaLBdt4MGFuGymYgJLwzdIfOqrt+w0YdFhNSQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZmxkPiK7nVIy70ZelS9By4ehK8FRMbJ+qBkjPTd4LPskNnd3glqB+GDjqtGUCb41W Tjqy35tBblgiwRk1oFTlvCHiG7FH/iBeRWB3IfnP194N4Fw8mzq/hnpskH5RA4mu99 5bDR+kHRkuaXvC3vZsEF/lM0o/9/bYl8+qkaVhBmF+1G8b4YwjOj+n5Shdy6iEU/gp nArwJ+otd9IvOMXgLPjcpFG7IUXDvgLpvxcKvHLrHHDRq2+nvJA6uo/hbXekFWDEU9 XV5choc5/4kqCgghwIJnZxyIRMcwUkjuAQJs+oFx9O4Px6oSkSaGGVJ665CuaRYpyF +tLy00vGAkj7g== From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: Juergen Gross , "H . Peter Anvin" , Linus Torvalds , Peter Zijlstra , Borislav Petkov , Thomas Gleixner , Ingo Molnar Subject: [PATCH 06/53] x86/alternatives: Rename 'text_poke_bp()' to 'smp_text_poke_single()' Date: Fri, 11 Apr 2025 07:40:18 +0200 Message-ID: <20250411054105.2341982-7-mingo@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250411054105.2341982-1-mingo@kernel.org> References: <20250411054105.2341982-1-mingo@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Ingo Molnar --- 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/te= xt-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 *opcod= e, 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 le= n, const void *emulate); =20 extern void text_poke_queue(void *addr, const void *opcode, size_t len, co= nst 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 *op= code, size_t len, const voi } =20 /** - * 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 *op= code, 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; =20 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) =20 ip =3D (unsigned long)(&ftrace_call); new =3D 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); =20 ip =3D (unsigned long)(&ftrace_regs_call); new =3D 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); =20 return 0; } @@ -492,7 +492,7 @@ void arch_ftrace_update_trampoline(struct ftrace_ops *o= ps) mutex_lock(&text_mutex); /* Do a safe modify in case the trampoline is executing */ new =3D 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); } =20 @@ -586,7 +586,7 @@ static int ftrace_mod_jmp(unsigned long ip, void *func) const char *new; =20 new =3D 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; } =20 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; } =20 - 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); } =20 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] =3D JMP32_INSN_OPCODE; *(s32 *)(&insn_buff[1]) =3D rel; =20 - 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); =20 list_del_init(&op->list); } diff --git a/arch/x86/kernel/static_call.c b/arch/x86/kernel/static_call.c index a59c72e77645..8164a7323c17 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, e= num insn_type type, if (system_state =3D=3D SYSTEM_BOOTING || modinit) return text_poke_early(insn, code, size); =20 - text_poke_bp(insn, code, size, emulate); + smp_text_poke_single(insn, code, size, emulate); } =20 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 9e5fe2ba858f..e2b9991c3326 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 =3D 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 =3D 0; } out: --=20 2.45.2