From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 61D708632B; Tue, 13 Oct 2026 04:10:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791864607; cv=none; b=DKRWOyLo2SzwXhKOHIZDpOKsl2pJV9VZGsCqP0u6OSue7yxu0V3HL6LQwroyWLY4x+Qro6hAnC5kNoaKMvn2fe/9L5v+0+3+oNjAVAwu3/gkSy064HDEt6C5LCxB0W7t5NTJYzaonfwCTp8nu8xqD5XNSgyOXcnD8gA15TNUIO8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791864607; c=relaxed/simple; bh=JCVeLeRVjgvuLq1B0GMpmVqjoBIlBIfPXlCKiI7uBgg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:Content-Type: MIME-Version:Message-Id; b=VN6tglj45+6rTmOUe1cNvOrV3xyuzvyxQa+mymV1qkkXZC4ZxQEGCQOaHiBzM1uj1i2MXiSChCCUiyVJwbgCmVkHd71475Yi9lmNPw9W1hWKLOgZlefH2JnMZNIJSri0lUEWvlxv7G8wlyL9jsIvx09mDFUB6qmEciJRu6te8w0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fIDiKkFq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fIDiKkFq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B95A91F000FF; Tue, 13 Oct 2026 04:10:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791864605; bh=VL7/TYmyIXsmjc3n3sgkMUej1bqsSqR0QdLErPqK6j0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=fIDiKkFqO+PiYJrqyIYYvCMsRYSbS5hNAiW47ITQjTysMUO1IzWtLGX4+/Yy/mmXA GFzSwbaopdqA363TwOkIP8DRp7+YGKfY6FgF7pKF1GPFRAaKsyKtwBG8xv0iASOAFL HmKJ+Me6omYQc6wIkCPblfTKr0htiQAN+muDj6Cv0G4jB/mrWDTdGEd7wFNMWs25fp 1s6GPOzJNDl3pFF2PjM00y6ysVrqLY+601PB86mp/YG7HAOABcoZIHzz9mgPpXcwgs ma3fDQrqBJcXn4xNInRXGJgm+UnPEWA8IOckiV0X0py0IsIjR7Pyxd4KOBrR9SeeqS TB1yZA1uOcmGQ== From: Masami Hiramatsu (Google) To: agordeev@linux.ibm.com Cc: Steven Rostedt , Masami Hiramatsu , Shuah Khan , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH 2/2] ftrace/selftests: Change non-unique test symbol to init_once Date: Tue, 13 Oct 2026 04:10:03 +0000 X-Mailer: UndineD 0.1 In-Reply-To: <67ac21cd214ec9371276df9ba790e9832cf328d4.1787670777.git.agordeev@linux.ibm.com> References: cover.1787670777.git.agordeev@linux.ibm.com <67ac21cd214ec9371276df9ba790e9832cf328d4.1787670777.git.agordeev@linux.ibm.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20261013041004.B95A91F000FF@smtp.kernel.org> On Tue, 25 Aug 2026 18:58:40 +0200, Alexander Gordeev wrote: > The name_show symbol is not the best choise, because it often > appears only three times on s390 in kallsyms, with two of them > having module annotations [mdev] and [i2c_core]. > > Switch to init_once which has many more duplicate instances > all in vmlinux, making it a more reliable non-unique symbol > for testing kprobe registration failure. > > Signed-off-by: Alexander Gordeev Looks good to me. Let me pick this to probes/for-next. Thanks, -- Masami Hiramatsu (Google)