Received: by 2002:a05:6a10:2785:0:0:0:0 with SMTP id ia5csp588393pxb; Thu, 14 Jan 2021 13:24:15 -0800 (PST) X-Google-Smtp-Source: ABdhPJzjtp7Dp2T5Y+r0v76zUPGZDyrYsjI7r7iIGHVzVDAJEYaonpTQGFiALqUuyJgKJNadeaJC X-Received: by 2002:a17:906:7b8d:: with SMTP id s13mr6462217ejo.479.1610659455644; Thu, 14 Jan 2021 13:24:15 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1610659455; cv=none; d=google.com; s=arc-20160816; b=S4Xi2HH1hkvFJ4P4tt4Oxsx2esPRaGBkTmeXnjc3HsKUfWWobAZu33UL7r5gKS2xLQ FZw0gWT3NrDJIP06fvrsQN1mcBFesCdpFS09U0GguFxG9BqX8wZ6iifV1rHngatSrL3X 504HwAj5sEb7Loa+xtx80+VZmTcHHZnnPdd1plNRTWgk5g8KS2lmxfaVg83/dirA4xRq Rk/hPTnPiNmR7znIqAeQBT++6kg55CzhuQEQFUwC7/pDV/2bQf3Yh0jC8T1gfNLnzDVX U/ZUa4qJSH+KWuufnyfAIGLTU0twb4vgCd5Nce+sjiJouGUofOImaoexBrt1EfNu7fp6 h6lg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=TceHTcF0McnZIgHI+8wxLqiISbHwn8gweswvaIc4bME=; b=EW24fHOVEem6BAPsAoH2KxPh9aQssT0L/1zT9BLFPr2axoBIiG7yGaCD/8Vb5kIF+M 2kpLKuOodyNep7SQ/OyXWAAD9cBAXuDa0wq3Vpk0qBqXxcOipxI6Rus6QDYA1kqIAzDm u5f1YXB5d62Jfu6ekW/QeT454DbqWTarf0QBbuDZWXJHmmRRtCzyEhW7sSIjWPIcqOPE Ym9IhgXj/hIUPa5K13Cin9WcF+TDanbANbtCmsyCixUVCZrQxsz0p95DqiiQqpYH7kUT ACp/BJY/GIEnS/F7nwgH2+MGP0rQoFZ39hU4xvHNBYwih3Naz+2FD5iDYxFm946WkCOg BpFA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=google header.b=XbFX0KzG; 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 l2si3196893ede.232.2021.01.14.13.23.51; Thu, 14 Jan 2021 13:24:15 -0800 (PST) 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=@linux-foundation.org header.s=google header.b=XbFX0KzG; 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 S1729356AbhANVTz (ORCPT + 99 others); Thu, 14 Jan 2021 16:19:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729267AbhANVTy (ORCPT ); Thu, 14 Jan 2021 16:19:54 -0500 Received: from mail-lj1-x22e.google.com (mail-lj1-x22e.google.com [IPv6:2a00:1450:4864:20::22e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 659C5C061757 for ; Thu, 14 Jan 2021 13:19:14 -0800 (PST) Received: by mail-lj1-x22e.google.com with SMTP id p13so8133376ljg.2 for ; Thu, 14 Jan 2021 13:19:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=TceHTcF0McnZIgHI+8wxLqiISbHwn8gweswvaIc4bME=; b=XbFX0KzGGnVD48DEJuWeKWfkf89wTxMXb4xz9YRUmIrBxYqVMl9MHYgoNMQkWBNi5j mhOKtO/24GuCbiPb5GHJyM0o/+dDN5cp70czhChGtKx3RK168n/3DpyiJJ5HDekgoF72 gW4ofr1nqKIYdpQVa7P4p+1hdIz625cC0uLBY= 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=TceHTcF0McnZIgHI+8wxLqiISbHwn8gweswvaIc4bME=; b=OwWdJpVqZ2A6D/f0d1VJKEaJOX6UdcrCqedXfvMCJcXZZ+hVcPMNv1GoBY7XRFGmYU eFZxYuyQXLUqg+t/40d3vljhW/V0IPVZL2SEBReCeEsDLfso42/J8PDtKG23TMxA5Kx3 VO2gngq/NiVD4RkrVKNgZxdcagnS2u0hT37FmUcwEwHAbnm3q1UBI15GAZANuLfTCUcW daTA06LwjU0WC+q/WEwjhrKNTfjM0lz5u8GJ+BwLMBbJyEZN1u7qaMpc3clGZ4LO73iN JA6geB0BWJtAtFdeLFCJN3vGhRvnGRPyu+gQZXUu4huDRanAy+eH4FHSB62UKH80ZN+c Qzrw== X-Gm-Message-State: AOAM533MQGxggCFuTNQ5jegA3XH/ugOsILCpm38iOL5fn+sqxrGzd3S3 hStglQ2E5ViojJfIMHOEVOA1mr7JHK/0HA== X-Received: by 2002:a05:651c:1034:: with SMTP id w20mr3689503ljm.367.1610659152595; Thu, 14 Jan 2021 13:19:12 -0800 (PST) Received: from mail-lj1-f180.google.com (mail-lj1-f180.google.com. [209.85.208.180]) by smtp.gmail.com with ESMTPSA id f29sm664727lfj.47.2021.01.14.13.19.10 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 14 Jan 2021 13:19:10 -0800 (PST) Received: by mail-lj1-f180.google.com with SMTP id u11so8058102ljo.13 for ; Thu, 14 Jan 2021 13:19:10 -0800 (PST) X-Received: by 2002:a2e:9ad7:: with SMTP id p23mr3904170ljj.465.1610659149726; Thu, 14 Jan 2021 13:19:09 -0800 (PST) MIME-Version: 1.0 References: <20210112224832.10980-1-will@kernel.org> <161055398865.21762.12236232732054213928.b4-ty@arm.com> <20210113214436.GL1551@shell.armlinux.org.uk> In-Reply-To: From: Linus Torvalds Date: Thu, 14 Jan 2021 13:18:53 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] compiler.h: Raise minimum version of GCC to 5.1 for arm64 To: Joe Perches Cc: Ard Biesheuvel , Russell King - ARM Linux admin , Florian Weimer , Arnd Bergmann , "Cc: Android Kernel" , "Theodore Ts'o" , Peter Zijlstra , Catalin Marinas , Masahiro Yamada , Nick Desaulniers , Linux Kernel Mailing List , Will Deacon , linux-arm-kernel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 14, 2021 at 11:52 AM Joe Perches wrote: > > Given the upgrade requirement, and how clang version requirements > constantly change, how much more difficult would it be for others > to use gcc 7.1 or higher now instead of later? What was the argument for jumping all the way to gcc-7.1? I do think we want to have real reasons we can point to, rather than a "just because". Linus