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 X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD389C433E1 for ; Sat, 25 Jul 2020 15:20:18 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 1E8F2206D7 for ; Sat, 25 Jul 2020 15:20:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="eiqJ0eUo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E8F2206D7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-19451-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 11962 invoked by uid 550); 25 Jul 2020 15:20:11 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 11936 invoked from network); 25 Jul 2020 15:20:11 -0000 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 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-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 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