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 97A26C25B5C for ; Mon, 6 May 2024 18:22:44 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1C64B6B007B; Mon, 6 May 2024 14:22:44 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 176896B0082; Mon, 6 May 2024 14:22:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 03D9F6B0083; Mon, 6 May 2024 14:22:43 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id D03416B007B for ; Mon, 6 May 2024 14:22:43 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id E94A4A0962 for ; Mon, 6 May 2024 18:22:42 +0000 (UTC) X-FDA: 82088791764.06.5F842B0 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf16.hostedemail.com (Postfix) with ESMTP id 43E93180002 for ; Mon, 6 May 2024 18:22:41 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=none; spf=pass (imf16.hostedemail.com: domain of "SRS0=HuXK=MJ=goodmis.org=rostedt@kernel.org" designates 139.178.84.217 as permitted sender) smtp.mailfrom="SRS0=HuXK=MJ=goodmis.org=rostedt@kernel.org"; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1715019761; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IGbbbVNurbyy+8B5vJPE0eu0kQAgCd5/3Qml/R29NnE=; b=6f8kFqsGv/lapDc1+/bw3InbYTJanVqjw55RJqAmcTu9Ex3tQ5j5KAHDMP3gvx8TXyGeAy oqaLtSkCI1on/QwMp6CPnKKnc+NKlDGwMCXwwiPZVnkTxIgoEJi+wZUuiQmwWiJXV2hd6I pECVQPiwCkbj0hUz7DhzOV/DGh/FCDs= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1715019761; a=rsa-sha256; cv=none; b=NMJKMQ9+0Rk5R0lWkTlP6kXtCEvaOR3CAuZxWVLimnXezI+zy5Dwr+BG0yxIw4NUP5/9/9 MpjsneDn+xJCGzHENBslsA3qqifXrYkrRDcUPv1utB+WEXyn6+LYDn/AvfnSNn6iyhzABp KwErs1LxDcp+edWf8ZTy9ugKf8M5VQk= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=none; spf=pass (imf16.hostedemail.com: domain of "SRS0=HuXK=MJ=goodmis.org=rostedt@kernel.org" designates 139.178.84.217 as permitted sender) smtp.mailfrom="SRS0=HuXK=MJ=goodmis.org=rostedt@kernel.org"; dmarc=none Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 239F46140D; Mon, 6 May 2024 18:22:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B99BC116B1; Mon, 6 May 2024 18:22:35 +0000 (UTC) Date: Mon, 6 May 2024 14:22:40 -0400 From: Steven Rostedt To: Mike Rapoport Cc: linux-kernel@vger.kernel.org, Alexandre Ghiti , Andrew Morton , =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , Catalin Marinas , Christophe Leroy , "David S. Miller" , Dinh Nguyen , Donald Dutile , Eric Chanudet , Heiko Carstens , Helge Deller , Huacai Chen , Kent Overstreet , Liviu Dudau , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Michael Ellerman , Nadav Amit , Palmer Dabbelt , Peter Zijlstra , Philippe =?UTF-8?B?TWF0aGlldS1EYXVkw6k=?= , Rick Edgecombe , Russell King , Sam Ravnborg , Song Liu , Thomas Bogendoerfer , Thomas Gleixner , Will Deacon , bpf@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, netdev@vger.kernel.org, sparclinux@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v8 13/17] x86/ftrace: enable dynamic ftrace without CONFIG_MODULES Message-ID: <20240506142240.36c38d7f@gandalf.local.home> In-Reply-To: <20240505142600.2322517-14-rppt@kernel.org> References: <20240505142600.2322517-1-rppt@kernel.org> <20240505142600.2322517-14-rppt@kernel.org> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 43E93180002 X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: hdthmdrjjn9b377i3zqqp447gptjh7as X-HE-Tag: 1715019761-834608 X-HE-Meta: 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 ZUD968LT lWtpKVA8IcHvgvTWh4HQQcg2LoonBwbZegSeQGShTGGgZu7QiQ7wc3cWLsc7Daj0dqlHTUXxqNiG/Df07tUowyuMD1G9uz7Otk6vC1TqTIo2BAuaGopvwURq3wwlzaem/NyF1150k37VhxNECT+OFRNEu7pVexPtW+pYb4i9VgZHyVn+hzaycH4+FhbWuiren5+vg4RyklDDe6L/BHl7czwJ0Jrs1K/8Hhi4QvvCQ12BRHKzvAlM2F2WM8wyosRcBiNre0R67Rr0z4ZoT0Im/W5bsmsVCcGuSGk0PlLhM0c8igMwHVJzpsr2a7oMgiclm5aVeuS1aLPFcwgM1Cka6EXI2we7SOY9/Tfk8gjin8OoDHLZTiElh7vU9WB9ifQXzR5s7ur1Xi/R3ytwUNgoWUQ9PjwzMU4JaYsRvlmnS884W1Ih4onfuHeJd808ZoDAZ1Pm9vTqpaH17+Jcq6XMvFzT+yA5GZfqu6xdTC8KcD6To9eU= 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 Sun, 5 May 2024 17:25:56 +0300 Mike Rapoport wrote: > From: "Mike Rapoport (IBM)" > > Dynamic ftrace must allocate memory for code and this was impossible > without CONFIG_MODULES. > > With execmem separated from the modules code, execmem_text_alloc() is > available regardless of CONFIG_MODULES. > > Remove dependency of dynamic ftrace on CONFIG_MODULES and make > CONFIG_DYNAMIC_FTRACE select CONFIG_EXECMEM in Kconfig. > > Signed-off-by: Mike Rapoport (IBM) > --- > arch/x86/Kconfig | 1 + > arch/x86/kernel/ftrace.c | 10 ---------- > 2 files changed, 1 insertion(+), 10 deletions(-) Reviewed-by: Steven Rostedt (Google) -- Steve