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=-8.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 3FC8ECA9EAF for ; Mon, 21 Oct 2019 20:43:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1077C20882 for ; Mon, 21 Oct 2019 20:43:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="KSDqpUym" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730349AbfJUUnZ (ORCPT ); Mon, 21 Oct 2019 16:43:25 -0400 Received: from mail-ua1-f67.google.com ([209.85.222.67]:46504 "EHLO mail-ua1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730121AbfJUUnY (ORCPT ); Mon, 21 Oct 2019 16:43:24 -0400 Received: by mail-ua1-f67.google.com with SMTP id m21so4219017ual.13 for ; Mon, 21 Oct 2019 13:43:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/J47pHWT2X7Av3FRgY9sGp9A1Q4EsZtxdv8QeJCfN3I=; b=KSDqpUymn0gcUp8dFXPeZ/HiSZgbKxXfCtrzL6BZnLONWdSEVg6/Ke0KbCXr4Am7Ft PQ7LNFK0xrC/Rzs1NmPkslJtnnvIL1/aotOz8artc1tXedz3v4PQs1sCHzV7cj0E+0g8 lBFOzuOMbrJ2UVV/FyJ/HXSxexJ2AOV1mW43p1ysYnPcCPjtOCz+n59DOMk3Y+RZbbmR ZVsEOEEmGtG+pvfHspdeVdID46tqH/wz/BTkQZiZIwOy4d1tPZAHvm89PAZtpWJzYBzt y+pBeWqeVU+tUEqfAuYYA2dOE2vlX3md/TnWCt9fr7Tobunt15FALPHuUxRBRVwCBo/H zfrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/J47pHWT2X7Av3FRgY9sGp9A1Q4EsZtxdv8QeJCfN3I=; b=NRD1DRr8cVTYkpzM3JoJU2EFu8QBzW32Nmj/nKMxVwPxsP1stAoMHzoR/g0QLLiPum Uyvxh3khkAO9vl761aRI2Tz/5jfqUkZr7ycA/lRejRBOrJfFQTlPrf0qVAJ/maGi6pyW aPbfCsqC5KHXdaYmL8v8dSGywS5OSMJvYL9GHPFOAuluWxXpRW2U3AKAz5gtswJe4Fki S3n1JUBld52Cp1vR5J9gSXga727bPbPTTuww63TgoM0Vj577OxPt4pSqhIM9pmTullBs gR/R1MuceXHSFwC/pgfEYRagbiOlzwwkJQZWOLbyLbHr3bF0KuSlAunjTNUWkQ/mBqTJ 80LA== X-Gm-Message-State: APjAAAWPaXiv0uQwrfA/+LLT/5ls3iuk1XtMYVB81+GEns7h3vq6AS/r 7p3xSWi63BDB/As+heCcod9k1rwh5VpF4axYNXpLUg== X-Google-Smtp-Source: APXvYqz4ZEHugfx1iLTVr5oh8wcvQsZnhgiG/2ZE182Aies/iiC08Q8WJN0chuD/KhyaBz5bbSu/RP+GuEhOKFYCX9U= X-Received: by 2002:ab0:5981:: with SMTP id g1mr64566uad.98.1571690602892; Mon, 21 Oct 2019 13:43:22 -0700 (PDT) MIME-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20191018161033.261971-6-samitolvanen@google.com> In-Reply-To: From: Sami Tolvanen Date: Mon, 21 Oct 2019 13:43:11 -0700 Message-ID: Subject: Re: [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler To: Ard Biesheuvel Cc: Nick Desaulniers , Will Deacon , Catalin Marinas , Steven Rostedt , Dave Martin , Kees Cook , Laura Abbott , Mark Rutland , clang-built-linux , Kernel Hardening , Linux ARM , LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Oct 20, 2019 at 11:12 PM Ard Biesheuvel wrote: > Also, please combine this patch with the one that reserves it > conditionally, no point in having both in the same series. Sure, I'll just drop this patch from v2 then and only reserve it with SCS. Sami 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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 A8554CA9EB7 for ; Mon, 21 Oct 2019 20:43:36 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 72BA72173B for ; Mon, 21 Oct 2019 20:43:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="sD4Pjk//"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="KSDqpUym" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 72BA72173B Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PzszSSRWla5hzBCpzyOlqxJkjB8FhLk2TcHuJDVGDFw=; b=sD4Pjk//SG9wSx tAaqCZpTd2qD9PZUkW5WZVKDSbomDcAWTgO47WvtC8cFt43028aSV4G86YsJ0bHaK3f/JCaaRgGxC 4jTk1w4uA8E9L89OBR9B7CXA7UC+7uJdbfRIil0Vt3KY09+FKw4R/9Z7fUpEmRiixh3PB8I/u9H6f 9VtMkriAnHEVsb/DFpjaFAIKFkV9dpTzz9cN9dqPPRnBmPvI86kAOjCi9jJo1zeYQh5MpOaVMEZyb rGOdSTURA6dLtkf6y6tKIpJw85OnM7eG15B87DJsCUYrkR8jA4xU2Hju/0CHYLLNTmtOZunlb8RMB Vjf3tTt5Jh719lyoHp6A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iMeWX-0001A7-TR; Mon, 21 Oct 2019 20:43:29 +0000 Received: from mail-ua1-x943.google.com ([2607:f8b0:4864:20::943]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iMeWV-00019J-5p for linux-arm-kernel@lists.infradead.org; Mon, 21 Oct 2019 20:43:28 +0000 Received: by mail-ua1-x943.google.com with SMTP id i13so4229763uaq.7 for ; Mon, 21 Oct 2019 13:43:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/J47pHWT2X7Av3FRgY9sGp9A1Q4EsZtxdv8QeJCfN3I=; b=KSDqpUymn0gcUp8dFXPeZ/HiSZgbKxXfCtrzL6BZnLONWdSEVg6/Ke0KbCXr4Am7Ft PQ7LNFK0xrC/Rzs1NmPkslJtnnvIL1/aotOz8artc1tXedz3v4PQs1sCHzV7cj0E+0g8 lBFOzuOMbrJ2UVV/FyJ/HXSxexJ2AOV1mW43p1ysYnPcCPjtOCz+n59DOMk3Y+RZbbmR ZVsEOEEmGtG+pvfHspdeVdID46tqH/wz/BTkQZiZIwOy4d1tPZAHvm89PAZtpWJzYBzt y+pBeWqeVU+tUEqfAuYYA2dOE2vlX3md/TnWCt9fr7Tobunt15FALPHuUxRBRVwCBo/H zfrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/J47pHWT2X7Av3FRgY9sGp9A1Q4EsZtxdv8QeJCfN3I=; b=VCpLVWQLf9ncVnbKrxtumTUdJqehDaoXXS7ocVtRdV9hBIyK4ueNcVIodvWVk/woOk xpWd3YPWfyQUTOlMx7pj7ooKe1VIPqM/D0xW5nlfUpcnZ/70F64NtDBtkr2/P6x7ZI/D hRqyDV9/H+7qi5hwy4WAXjH2ll+AEbfhH8a4R/+LU797vjc7hvWE5+hkL2sZf2b3gxup NbgW2gUsL0Mk/39aXATjH/enAoOR9pVpc7ZOPpIXDZWzUa/wuha5Gym7D7D50tZlDWss JwTt3b0gMrHS/32r+xEdaaRv8YQEnK6EaYu/HZd0iNmF7CR/rvrid8iGr5YbyTElTk6J G6eA== X-Gm-Message-State: APjAAAV+STODXmaA9HihPAgEcUtMpfH1qs3PzNzFO7rbpJR5EK0T7Y0g 7P93Ksa8ETFs5w4R54xe4us3JI+7vfhx7/sOrq2mJg== X-Google-Smtp-Source: APXvYqz4ZEHugfx1iLTVr5oh8wcvQsZnhgiG/2ZE182Aies/iiC08Q8WJN0chuD/KhyaBz5bbSu/RP+GuEhOKFYCX9U= X-Received: by 2002:ab0:5981:: with SMTP id g1mr64566uad.98.1571690602892; Mon, 21 Oct 2019 13:43:22 -0700 (PDT) MIME-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20191018161033.261971-6-samitolvanen@google.com> In-Reply-To: From: Sami Tolvanen Date: Mon, 21 Oct 2019 13:43:11 -0700 Message-ID: Subject: Re: [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler To: Ard Biesheuvel X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191021_134327_244646_887020C2 X-CRM114-Status: UNSURE ( 8.11 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Kees Cook , Kernel Hardening , Catalin Marinas , Nick Desaulniers , LKML , Steven Rostedt , clang-built-linux , Laura Abbott , Will Deacon , Dave Martin , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Oct 20, 2019 at 11:12 PM Ard Biesheuvel wrote: > Also, please combine this patch with the one that reserves it > conditionally, no point in having both in the same series. Sure, I'll just drop this patch from v2 then and only reserve it with SCS. Sami _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-8.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 8AC17CA9EAF for ; Mon, 21 Oct 2019 20:43:43 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id C69BC214AE for ; Mon, 21 Oct 2019 20:43:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="KSDqpUym" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C69BC214AE Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17081-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 11998 invoked by uid 550); 21 Oct 2019 20:43:36 -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 11979 invoked from network); 21 Oct 2019 20:43:35 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/J47pHWT2X7Av3FRgY9sGp9A1Q4EsZtxdv8QeJCfN3I=; b=KSDqpUymn0gcUp8dFXPeZ/HiSZgbKxXfCtrzL6BZnLONWdSEVg6/Ke0KbCXr4Am7Ft PQ7LNFK0xrC/Rzs1NmPkslJtnnvIL1/aotOz8artc1tXedz3v4PQs1sCHzV7cj0E+0g8 lBFOzuOMbrJ2UVV/FyJ/HXSxexJ2AOV1mW43p1ysYnPcCPjtOCz+n59DOMk3Y+RZbbmR ZVsEOEEmGtG+pvfHspdeVdID46tqH/wz/BTkQZiZIwOy4d1tPZAHvm89PAZtpWJzYBzt y+pBeWqeVU+tUEqfAuYYA2dOE2vlX3md/TnWCt9fr7Tobunt15FALPHuUxRBRVwCBo/H zfrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/J47pHWT2X7Av3FRgY9sGp9A1Q4EsZtxdv8QeJCfN3I=; b=pGBpjp+Rce+o3lqt5A6uJUS6TnZssCctKuVKOLciaf0SNEYFHm8UVQJLK0lSFUE4Gr LgkAe4IUE4PzCcYcFiPuHoIOjsTqACFusboQ150a7Al6Asc/gR+utPJl+tFTbuUJC9+D cI+Q6rX33InTdOTrJVuBG5QtDrdhS8NtFsSeCdBFddlcALJc9NhJAB2EsDOyN10VgWWl D65MiDl4CkEYfTtmMNMafn2BpU8pQ7tBEt3VAisJle0PdCk9GcHIZGB0ZLsfwccDbfgC vkFdXfuiXtNAFu2PuXSpWRURDpmVmjunOlLVhUbq4OwRUJL/fBO6mCWjAjHCdLy9JtFB Wtrw== X-Gm-Message-State: APjAAAUZ1kHXe1qb7H9mK1oYf7SpwEnmsaNjDT59AoLMYJK+vlk/w0pw oNUGZwpYWXr1Dy6I0zDGEIGGNB2gQmWRDxJN6kMEQA== X-Google-Smtp-Source: APXvYqz4ZEHugfx1iLTVr5oh8wcvQsZnhgiG/2ZE182Aies/iiC08Q8WJN0chuD/KhyaBz5bbSu/RP+GuEhOKFYCX9U= X-Received: by 2002:ab0:5981:: with SMTP id g1mr64566uad.98.1571690602892; Mon, 21 Oct 2019 13:43:22 -0700 (PDT) MIME-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20191018161033.261971-6-samitolvanen@google.com> In-Reply-To: From: Sami Tolvanen Date: Mon, 21 Oct 2019 13:43:11 -0700 Message-ID: Subject: Re: [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler To: Ard Biesheuvel Cc: Nick Desaulniers , Will Deacon , Catalin Marinas , Steven Rostedt , Dave Martin , Kees Cook , Laura Abbott , Mark Rutland , clang-built-linux , Kernel Hardening , Linux ARM , LKML Content-Type: text/plain; charset="UTF-8" On Sun, Oct 20, 2019 at 11:12 PM Ard Biesheuvel wrote: > Also, please combine this patch with the one that reserves it > conditionally, no point in having both in the same series. Sure, I'll just drop this patch from v2 then and only reserve it with SCS. Sami