From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3D10C369DC for ; Tue, 29 Apr 2025 12:35:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 67AA66B0005; Tue, 29 Apr 2025 08:35:14 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 629D36B0007; Tue, 29 Apr 2025 08:35:14 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4F1BC6B0008; Tue, 29 Apr 2025 08:35:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 3193E6B0005 for ; Tue, 29 Apr 2025 08:35:14 -0400 (EDT) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id C260A1A0149 for ; Tue, 29 Apr 2025 12:35:14 +0000 (UTC) X-FDA: 83387026548.17.C4BF1E7 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf15.hostedemail.com (Postfix) with ESMTP id D0AD3A0013 for ; Tue, 29 Apr 2025 12:35:12 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=lst.de; spf=pass (imf15.hostedemail.com: domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1745930113; a=rsa-sha256; cv=none; b=jX0kPkcz4Xx+kLkKEmjRm0Y7HYI5LcOqjInSgJ6mHkqKxICcDnpLDXAW3r6K6J5bC0FsCM P7O72jgqlO5OR6Kl6PRTw8OQ3uZt7N23DIaBqcpMV+nG/zWbzcJ8o3AYf4lOS/ExxhR7Z4 qbnh2G++NLRGn72ulEMg1Q67le1FxO0= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=lst.de; spf=pass (imf15.hostedemail.com: domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1745930113; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=29D5IaLsqqR+/QRublIg6aL3Q1/iCjnRuaX0k6mt24c=; b=UehxJTbtG9w6liZj1iTJyQKHftFEjUQaLYkaQocTgHSqxNG3EwQwowE/zwRZkVJReE6mvb uKzZFSOuqUv6eRzzKQ6WJktvMhbKtl3lNjvyAhHc9xsiWEpi05KcA9VS6SmwN3YNd/jTlb EDlgVX4JvgMwpLDSwKkjySmUek2eWVU= Received: by verein.lst.de (Postfix, from userid 2407) id DBA7F68AA6; Tue, 29 Apr 2025 14:35:04 +0200 (CEST) Date: Tue, 29 Apr 2025 14:35:04 +0200 From: Christoph Hellwig To: chenlinxuan@uniontech.com Cc: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Andrew Morton , Yishai Hadas , Jason Gunthorpe , Shameer Kolothum , Kevin Tian , Alex Williamson , Peter Huewe , Jarkko Sakkinen , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , Mathieu Desnoyers , Peter Zijlstra , "Paul E. McKenney" , Boqun Feng , Dmitry Vyukov , Andrey Konovalov , Juergen Gross , Boris Ostrovsky , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, virtualization@lists.linux.dev, linux-integrity@vger.kernel.org, linux-kbuild@vger.kernel.org, llvm@lists.linux.dev, Winston Wen , kasan-dev@googlegroups.com, xen-devel@lists.xenproject.org, Changbin Du , Linus Torvalds Subject: Re: [PATCH RFC v3 0/8] kernel-hacking: introduce CONFIG_NO_AUTO_INLINE Message-ID: <20250429123504.GA13093@lst.de> References: <20250429-noautoinline-v3-0-4c49f28ea5b5@uniontech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250429-noautoinline-v3-0-4c49f28ea5b5@uniontech.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Rspam-User: X-Rspamd-Queue-Id: D0AD3A0013 X-Rspamd-Server: rspam04 X-Stat-Signature: s4ni1cyp8hqd7sqiy31fkorp3exoip4n X-HE-Tag: 1745930112-283474 X-HE-Meta: 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 gFWmXApm FGIWkEbpsX+CZhz7tVLUvO7RCSh6DlUSFYueQdV6WmpE6HqXWywlxma7No+blKvetus8FTSc0sz1YVe/2SwYMXZI70IWD5Sn1e3mS4Umok+ulK3ea/qrpw7gQ66XR+/ZS6XZ6K7klT3Vn0YAVzbq9yIKPt2d3BoP22gmFV2aXgvTCG8J9esbz2O92qQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Apr 29, 2025 at 12:06:04PM +0800, Chen Linxuan via B4 Relay wrote: > This series introduces a new kernel configuration option NO_AUTO_INLINE, > which can be used to disable the automatic inlining of functions. > > This will allow the function tracer to trace more functions > because it only traces functions that the compiler has not inlined. This still feels like a bad idea because it is extremely fragile.