From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 95CB8257845 for ; Tue, 25 Aug 2026 11:47:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787658421; cv=none; b=hYM2wutLApA3iE7v2+23opZKNfYaMVoRvpqmEwjoi+fm2DApASqCIfq4E9tnITjwzgmYFejmyLrAZbnAEv7ywuVbKj0y9VF186BZvwYXg+FZY6oJKieu0GZV/L2V1QY+YDCu2lMkiPTq/9OSWSPNB/8uQDIhgYhPR6C3KAghT0A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787658421; c=relaxed/simple; bh=Tf2FAH/fB+9FAKtWvLXjwIdKn33txFzqVGE2vRGLQBg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Bfmi82g5cAMuFpLaXokN913OSBjLeZbYWkl5UKi5NaFWEp25AUsykX2IQRl2SH5YMGBNnkQyYU9Qx+MRI1JTzrwhID1T9GhVaiT4wgpslUHX3uqY5xDl8tKYmt/GRn4zfudhgKqZXL5shSx7EknKj91KrBk73X/8p1vad9vNOm4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=cyke+awf; arc=none smtp.client-ip=209.85.210.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cyke+awf" Received: by mail-pf1-f174.google.com with SMTP id d2e1a72fcca58-8487b7b3fc8so4895933b3a.3 for ; Tue, 25 Aug 2026 04:47:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787658420; x=1788263220; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=91bCgabMa6GOJd+OnR0+tZEKWf9NOv2pOU0gEQTgkAo=; b=cyke+awf6u+Y3wpRB0LLPKw/f859y2Zz1E21ONnEpCR+cBf5sFWG6Q8X53knpHxrG4 +uFm88Rs2/KqLFhIs7H5lLyD/MLSSZkaEioLjvgz0DtDsjhqfdQJBgkUB6itpg1P1/Dt fWiA9eEK1Lo4lKDKlTBHOB0xiV2vG1NljlOtN/dTRbL7CvRizZplBigeMIA7kOOKbGzX JxQ/3oUGItPT7+ghzNP2DgFfb+qjRMrtCBhBQwGzDSwwLQYFe3WcNNhdyK9piyvBNnh9 T9bxUvXP979L1lQ85HVEPaBIE9Twc0ya2cT15fOzwR5lbMZ3XeDCVJ/S6o1ha1RcWUoe oWYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787658420; x=1788263220; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=91bCgabMa6GOJd+OnR0+tZEKWf9NOv2pOU0gEQTgkAo=; b=j63ApRowex5y2NtvwBJ8nYsIlKIIe2Mwk2gVNWEsL+Ws3ufADz9AfzG07zlwoP2ltJ q6APwrhonqVvyG+U0DD9LCEczMnIG9fw6Jm2vgbV8wya05CMdTxDJZKNsjtBFZgPa45P tXLNlJ3WLgBEP087pX2y3oYc9yhpNMTYa+v/NA9MPfjbr2FUpFkwgqVpqE4/bNt5A3k3 /0CqTamCzmV9PTD6M7LUeI/Dw9Hq9qNEi8V0IymBxVebRrYeiXoXWMKVoqzQvPcr25Nj AtbOqJ6SEdjoIwwkoZsVrX6KSaqMpzJhICm2rcBHh0EqY4H6Lchs6QsdkGLZeidsb2dF JDSQ== X-Gm-Message-State: AFuF++mf7EHpn2ryF/qSezqkGKTazVFRPnXWIEFwAcoKtiXWyaxgMIBW RqC+G4p4mxvcbzOZcMEQeulIVSwUksDiS2aMzv+X+VWtMmoOQS7Mb9RE X-Gm-Gg: AR+sD10zJhn8yFZlfwKuPRzPMvBgFfjBcb4d/+Bpd99JvCM62NnC9Zof0e97qOVfKap PZdUeIn5rNUENFC9oYTVWUMhg1KTLeF7RlPbFt7K9vv5i1HrKq/E+emZgeoceGMVlcJDK29CUI8 lWLj0Nq/L6sObb+WLiP62zOmikzETOC6Z8qog9xcP7xmhZnD5xzTrdf5E/orLOlGNB9BJhJnWxt pggUGUlZ/KS7oN/hvXtnQ8V7yROsD71l08DbNt6S5RXbx0LsN5jO4l4tt/q8V10+cPT/alrAb2N 6kLxMHDg6i9xjdWaFJ6Bc2Bul/f9tSMweRsSbFq22xmTjFgMy8wrFIrn9EnvLa/VyjBFkmQjISP zKg+vNRZET+o8mCRVtq1z2+DajJ6KpNWvNJKCYTDpZv5vi8MWqCgI31Ye4CDYa6qm+Eex+A6c5m kMXDC/hsVmqNVBby6cLMFLXuMShtFuyDMp5JIffttMIJRyedaLbY3nfde7T6aKZtQfByKVIC/lc ob85LfpDS0bMkx3LDodks01wBbpPGMyNw/zm9Yva4cWmjK4lA== X-Received: by 2002:a05:6a21:398c:b0:3c4:36ef:3dc9 with SMTP id adf61e73a8af0-3cd30182e4bmr19838090637.17.1787658419849; Tue, 25 Aug 2026 04:46:59 -0700 (PDT) Received: from yafangs-Air ([240e:46e:1b00:ae5:3473:12aa:8e70:f95d]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cc199e5fcaasm1864438a12.24.2026.08.25.04.46.56 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 25 Aug 2026 04:46:59 -0700 (PDT) From: Yafang Shao To: jpoimboe@kernel.org, jikos@kernel.org, mbenes@suse.cz, pmladek@suse.com, joe.lawrence@redhat.com, song@kernel.org Cc: live-patching@vger.kernel.org, Yafang Shao Subject: [PATCH v7 for-next 1/8] livepatch: Make klp_find_func() non static Date: Tue, 25 Aug 2026 19:46:34 +0800 Message-ID: <20260825114641.80452-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260825114641.80452-1-laoar.shao@gmail.com> References: <20260825114641.80452-1-laoar.shao@gmail.com> Precedence: bulk X-Mailing-List: live-patching@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Make klp_find_func() non static to allow its use in other source files by an upcoming patch. While at it, rename the parameter @old_func to @func to better reflect its generic purpose. Signed-off-by: Yafang Shao Acked-by: Song Liu --- kernel/livepatch/core.c | 18 +++++++++--------- kernel/livepatch/core.h | 1 + 2 files changed, 10 insertions(+), 9 deletions(-) diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index a240d1144e89..c34306ecfb0b 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -82,21 +82,21 @@ static bool klp_initialized(void) return !!klp_root_kobj; } -static struct klp_func *klp_find_func(struct klp_object *obj, - struct klp_func *old_func) +/* Check if @func is present in @obj. */ +struct klp_func *klp_find_func(struct klp_object *obj, struct klp_func *func) { - struct klp_func *func; + struct klp_func *obj_func; - klp_for_each_func(obj, func) { + klp_for_each_func(obj, obj_func) { /* * Besides identical old_sympos, also consider old_sympos * of 0 and 1 are identical. */ - if ((strcmp(old_func->old_name, func->old_name) == 0) && - ((old_func->old_sympos == func->old_sympos) || - (old_func->old_sympos == 0 && func->old_sympos == 1) || - (old_func->old_sympos == 1 && func->old_sympos == 0))) { - return func; + if ((strcmp(obj_func->old_name, func->old_name) == 0) && + ((obj_func->old_sympos == func->old_sympos) || + (obj_func->old_sympos == 0 && func->old_sympos == 1) || + (obj_func->old_sympos == 1 && func->old_sympos == 0))) { + return obj_func; } } diff --git a/kernel/livepatch/core.h b/kernel/livepatch/core.h index 38209c7361b6..361a0917a03f 100644 --- a/kernel/livepatch/core.h +++ b/kernel/livepatch/core.h @@ -17,6 +17,7 @@ void klp_free_patch_async(struct klp_patch *patch); void klp_free_replaced_patches_async(struct klp_patch *new_patch); void klp_unpatch_replaced_patches(struct klp_patch *new_patch); void klp_discard_nops(struct klp_patch *new_patch); +struct klp_func *klp_find_func(struct klp_object *obj, struct klp_func *func); static inline bool klp_is_object_loaded(struct klp_object *obj) { -- 2.52.0