Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp3016417ybh; Sat, 25 Jul 2020 08:22:51 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxkjCtcaInqYt3ZeypN2KGQeObqPIEpgxEdzml0jMf6PLfW4+kXVGzHQ/LYICQ2y0O1Vewd X-Received: by 2002:a05:6402:1494:: with SMTP id e20mr13583491edv.2.1595690571088; Sat, 25 Jul 2020 08:22:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595690571; cv=none; d=google.com; s=arc-20160816; b=a4DvaQZ/+ZmWZIblyXDJpC7FMmNu3uZYNkjiZzC67NPpZsdMpyyZT4fJrypVOoVNj5 gSWAuE3s3sUiFZQIFZTQ2INktbLwu9E4nIDXbSGP5x3Hr0n3FZvR2GchAAJg64oH1yqc teU/80U4OLxjdWSos0t4nUTmfIIE+LhgdkTjuf8I568Cuc62f6ho3D9Pe3m0Ue7LXE8y xAx05tMLUDy4VTdsW2HXGggbYNGqNvrKLcG0Lipc5YCoxL0yuwC/WSUjYp1lmNYqyVw4 us3ZXbrvl3KIz2DGma7+jWayYXn/S4agOczkHEKbvo+jAZFrPMsf6g8eMf3SbJiEO9GQ +EQg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:user-agent :in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:dkim-signature; bh=M7ZVrLG59meQ+/xq2KDXwLm/Fv7Dp09V+3wvtzhXw1c=; b=IUgWACMsoYNqA9EyhDKw5xiIb7xFaQ0wYknXBdc22MhuWPH3ADmlLhKsMjkzPkEXWq zZ926WJg60K9EZWdOtGhEPEdu2+do5Zt+aqjLUmc4dUA86QhhFuTmguI/tvg2kyi2/YN AniHXB/WL5haGyqMpfy0736OR86biECsPIoaIuQ27TsRrz9PO4aTpiHGSRZUmaNJXMhg 5NThVL43lMQcsjpsBj/lcVUsFdq4QENs9a1J2p/NePn3Huw81w/BIIeqSqKF7UamyL5Q 30k04a1swC3nz0PSJz3EM1BKru97Z6/ZwcS6cJktS6PxzZ5DOSc6vzRMUrddNispd8WD 1ahQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmx.net header.s=badeba3b8450 header.b=eiqJ0eUo; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id m27si2649991edj.262.2020.07.25.08.22.27; Sat, 25 Jul 2020 08:22:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmx.net header.s=badeba3b8450 header.b=eiqJ0eUo; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726926AbgGYPUN (ORCPT + 99 others); Sat, 25 Jul 2020 11:20:13 -0400 Received: from mout.gmx.net ([212.227.15.19]:38337 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726567AbgGYPUN (ORCPT ); Sat, 25 Jul 2020 11:20:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1595690369; bh=M7ZVrLG59meQ+/xq2KDXwLm/Fv7Dp09V+3wvtzhXw1c=; h=X-UI-Sender-Class:Date:From:To:Cc:Subject:References:In-Reply-To; b=eiqJ0eUo19kLfKKxQYBhePEa20tgMnl1G0Z7jF2SvS8tjgeluDziv7xM9q60HznBK 4OXqxWweHEkSYHidkehkdeiBqk/UtNOXgug4Vi/MVIngPYCJmQNpXU0dZ1QyuYMcRH bgEWjLh1qtD8Yfx207+3AbQN62iZ9RT7vK9vVp2g= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from ubuntu ([79.150.73.70]) by mail.gmx.com (mrgmx004 [212.227.17.184]) with ESMTPSA (Nemesis) id 1N7R1T-1krdBV3p1B-017keI; Sat, 25 Jul 2020 17:19:29 +0200 Date: Sat, 25 Jul 2020 17:19:26 +0200 From: Oscar Carter To: Steven Rostedt Cc: Oscar Carter , Ingo Molnar , Kees Cook , linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com, Jann Horn Subject: Re: [PATCH v2 2/2] kernel/trace: Remove function callback casts Message-ID: <20200725151926.GB3362@ubuntu> References: <20200719155033.24201-3-oscar.carter@gmx.com> <20200721140545.445f0258@oasis.local.home> <20200724161921.GA3123@ubuntu> <20200724123528.36ea9c9e@oasis.local.home> <20200724171418.GB3123@ubuntu> <20200724133656.76c75629@oasis.local.home> <20200724134020.3160dc7c@oasis.local.home> <20200724175500.GD3123@ubuntu> <20200724143457.27755412@oasis.local.home> <20200725150914.GA3362@ubuntu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200725150914.GA3362@ubuntu> User-Agent: Mutt/1.10.1 (2018-07-13) X-Provags-ID: V03:K1:bhEAsx646eWEJ4mh6b8CjZMW+XE0ssjoMVZXkhqRCcbHKpd1Xdr GH+Zk4bnWM7udBoyMrGWQNfpoUrwobl/8ngqfJcvmMucFCbXiStmnl/mGa4HwSynslNLGeD kDzJLaQjCK8tJKF0QEd3E85SnfI4rC9x6bXMHiHPD9ZRTGyL+Qf1qaSzyV9i/q/AW0cC755 bqAKkmoZDvtVpQG5auCRw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:z+H1eZsL9mw=:Oz8B6PwR1wJtZ50Ku59HAQ 12xOwyNHJj+iaBjguYoa1rLlRihsjqEBAJzjTThAata28bOyTx3nKcMoYovMGVGVurlfrgIX1 Bf+9Uia9xI3dd+INMDC//td336qZOOXIYYrlB5C2R1YlP4XNqv7gMTEMqJp1V0GuDQ2HxpOFz /BZRs86bfUrAfeU9uxPIQotmANn1h8iI4fdXsvjKj30L8naRqKGo52CH70hVHHT6+dl0nMgTT xSQM7fNWe1tgQP49EK1ZdKI4jPmEw4adtURTGszoXdTRHf20PdUv6wlAwxeiCX1wYsoszGQIi obb066FhLLi7rVDc0fFYjwXag0XiwB/z3clJ9/XABKX3IZpPxswVpPdbJOMXo5PDYEPqUQXms fT7x5KxjqjbDI6uYYz2xNBOvwUhs+55lOHL7bh1rTaRMSoH8EoXXn9AK4WpZpCmoEpcozb9WI IJHOwe8SCIaILsNy5I/vvRTvuQ6hP4UKawLBJiGZYHYCZ6nY4jFI4QYqHhvwbw3FALtRlVQza RtRyY1CpFAP2JvV1sj1svPef2a+vRR2pyOxP36KsOdvCbFbE6greDVmgtt3YWlbBCQ45hNQYh APEggQraF4BnPaObzIw2+pKqylSMWyl1yDTX89JBbwnt43qCOMgfxW7aUAedNYUTN6bXOwVqF iThkqE/44Any8TNvpIoxiEFDRxAYqHud7joz8b1f+w5+EZCM0DSh1umQ6ycW3mrhvJv/YCfFc y5gZF4UpCx6wfGE9/g1CuNdg6AaAN7rN8/WQY7WkA+F5RgNI/UwkktEHVm3amclLFmPzqylVq WJe3iQhIY/ckCFWtWXpkieJtMO26St9ARPwgvF7HxcklKpzO2I1HbGc1dyEl+djWWVfK41TPH OHg/bBk3QYtaXNtq+WkFDXMYhQBea24NFMsvc/gN9CIVzzTAT3kK4hZyAvaBprVaHH4QnBcwX 9EOqbK05wxWJbGZpYmXCbAUeDz4DgIaa4JHPihkViuSExHakFuxVeur+M18cLCXZlohyRpMnt L6g5Bf7PbF3lMlTti1G3rA7Io0lixcRre4pzs2NpisTRPaaaOM+lQ3WpqrUZKhJ77EWVx4F1P Ri8mQTqw6mRT4TAYT1CKykXSep3xUuMusvxT6quQUG2d6tG7Bqj3i2WghlFIIi9YMvxB23yoT lxWL1Lf/HEW1Kg/rs0FJE1Vcf75BKfurtW536Q29J3tcbAFUxvCcVqH93GelEHt1ZFb64fORg 1W80OF/XUBOoa5IjX3qA/mQbTLINGPEpAwCzXZw== Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sorry, typo correction for the last paragraph: On Sat, Jul 25, 2020 at 05:09:14PM +0200, Oscar Carter wrote: > > I would be will to add that linker trick to remove the warning. Or we > > just use that warning as incentive to get architecture developers to > > implement this feature ;-) > > In my opinion it would be better to leave the code as it an make the war= ning > visible until this feature has been added. In my opinion it would be better to leave the code as is and make the warn= ing visible until this feature has been added. Thanks again, Oscar Carter