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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 503D0CEFC42 for ; Tue, 8 Oct 2024 19:17:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=IAsPeelFix7shKZdlp5kubEZNxBpnUTJKes8/ECTWjQ=; b=13GasBWyczWPpOyGGFxPLUwqKB gmtC/QVhqFYo7h/m7Csg/vFa0CDoLJQRfT/F2RFr8/fDTcHnKGZK6bvZ1wBpqgG2mTijBgw5+I9Gp l7u4XdSVnQkWbx3sXBvbvkzEFNhKyV6wS2oPyJpiuvHhGN69MPXmmZ5jky9oHjEvdvtXsabW4SJ3v V4IpoeA/7OOEPJC7qdGl18b7GcAiuxfrTshm8zcE1upGC7J2qZr5tSrwnzKWG6jOfpBRe9LhUpCiy RFhXn3Bl5IGZkhcmYAjq/yqO4pq0GTJ4bhYC2AGedqktgOG1n8kyN6ltU2LuZqcOKA0hwbp0MiHa1 mRp83Klw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1syFhq-00000006ukc-0T1X; Tue, 08 Oct 2024 19:17:14 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1syFgV-00000006uMp-0OYW; Tue, 08 Oct 2024 19:15:52 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 1559E5C5DD8; Tue, 8 Oct 2024 19:15:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F50EC4CEC7; Tue, 8 Oct 2024 19:15:45 +0000 (UTC) Date: Tue, 8 Oct 2024 15:15:48 -0400 From: Steven Rostedt To: Christophe Leroy Cc: LKML , Linux Trace Kernel , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, "linux-arch@vger.kernel.org" , "x86@kernel.org" , Masami Hiramatsu , Mathieu Desnoyers , Mark Rutland , Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Michael Ellerman , Nicholas Piggin , Naveen N Rao , Madhavan Srinivasan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen Subject: Re: [PATCH] ftrace: Make ftrace_regs abstract from direct use Message-ID: <20241008151548.6a721c20@gandalf.local.home> In-Reply-To: <8e99826f-b38a-4cb3-ba5e-a20512248853@csgroup.eu> References: <20241007204743.41314f1d@gandalf.local.home> <20241007205458.2bbdf736@gandalf.local.home> <8e99826f-b38a-4cb3-ba5e-a20512248853@csgroup.eu> 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241008_121551_207399_AFF5A346 X-CRM114-Status: GOOD ( 12.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 8 Oct 2024 08:24:22 +0200 Christophe Leroy wrote: > >> + > >> +struct ftrace_regs; > >> +#define arch_ftrace_regs(fregs) ((struct __arch_ftrace_regs *)(fregs)) > >> + > > > > I just realized I can simplify it with: > > > > #define arch_ftrace_get_regs(fregs) ({ &arch_ftrace_regs(fregs)->regs; }) > > Is it possible to write it as a static inline function to enforce type > checking ? Will do. Thanks, -- Steve