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=-6.8 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 97C7FC433FF for ; Sat, 10 Aug 2019 22:44:15 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 CE14220880 for ; Sat, 10 Aug 2019 22:44:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YvWQEndw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE14220880 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 465cbw1lYRzDr7J for ; Sun, 11 Aug 2019 08:44:12 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gmail.com (client-ip=2a00:1450:4864:20::343; helo=mail-wm1-x343.google.com; envelope-from=natechancellor@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="YvWQEndw"; dkim-atps=neutral Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 465cYf4MCmzDr6B for ; Sun, 11 Aug 2019 08:42:13 +1000 (AEST) Received: by mail-wm1-x343.google.com with SMTP id p74so8993236wme.4 for ; Sat, 10 Aug 2019 15:42:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=cm1cTZewDuKp3Wajgal/0P1FJ6bCpkxWTfUFt1xUXhs=; b=YvWQEndwda7eSVIrlsE7vqo9ByIKxm6UYmqRi8I6RnykBCbr3BX/erhjlLVL437ysc bZI+xCNBolX0mpmlerAo9hfUJd+CGXWpiQNyotqg+vdtSKEQNw4ZdeO/MQhoSnQu34dX Xtqyt5o1Q5oTLzAAWI5dTWtabBnlYzvp9XqIkhM0oFQSxW/ZdHn0JDgV/1gfzHnsIpJk x6sUxbseWS8WCy0t3/hSWmo0rNOZ4Dqzi6OcKr18WqAmn6DkoJVFNOoLA3HpofzpsDqM I9Ycm9fULS+O47gp4IoaHHb/cNLDEu1axhHss08puN8s+vqEjebs6bN0i/41r+Gc6Ten lmYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=cm1cTZewDuKp3Wajgal/0P1FJ6bCpkxWTfUFt1xUXhs=; b=ZCUamVFUVzV9bykRWiVjVyjFsekoT4AgrznO3xDHURvVF6W7mvRbGErs3gbUdkvo2l XMpPX51nfrRmVkQ7D4d3bLRb91QzXzpPkLL7uiWs4nRuTJobI8buyCt/DKnTEmls+GLp le/4asxXNfli+LNagS9+22PpzGIaA+Dg0L5D7ofVFAEeyMQ7wAVaQR+Tey4NqNtu9JMI ZjTu3jNaRw31P6QWkqjdU/+kmaJTTBU3zOE9x4DmyDI3ToD8CE17g1pCcYorjCq7/taM wA0p+9CcVmaTwWdgTGg8EBhulPaC5ZMmvuM5OR3taRN8hfjBJXtBwcllymH9wWgEONie teNQ== X-Gm-Message-State: APjAAAXqFQ41knLzKTSj8AmIfLHMzhB/Q1jxqHGH4tq+RYZwfa3dDkRg 55B2hxqCAEMTZKKnw+H2bF8= X-Google-Smtp-Source: APXvYqx7voVYy8obPH7IH9gpjf7uSzdRqQGq8zrNbfLP6L4bgveW5KnK1WH7isM1C8v5r5fgx+uBOA== X-Received: by 2002:a1c:f511:: with SMTP id t17mr18874737wmh.53.1565476928602; Sat, 10 Aug 2019 15:42:08 -0700 (PDT) Received: from archlinux-threadripper ([2a01:4f8:222:2f1b::2]) by smtp.gmail.com with ESMTPSA id k13sm18578918wro.97.2019.08.10.15.42.07 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 10 Aug 2019 15:42:07 -0700 (PDT) Date: Sat, 10 Aug 2019 15:42:06 -0700 From: Nathan Chancellor To: Linus Torvalds Subject: Re: [GIT PULL] Please pull powerpc/linux.git powerpc-5.3-4 tag Message-ID: <20190810224206.GA56490@archlinux-threadripper> References: <87imr5s522.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, Linux List Kernel Mailing , clang-built-linux@googlegroups.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Sat, Aug 10, 2019 at 10:21:01AM -0700, Linus Torvalds wrote: > On Sat, Aug 10, 2019 at 3:11 AM Michael Ellerman wrote: > > > > Just one fix, a revert of a commit that was meant to be a minor improvement to > > some inline asm, but ended up having no real benefit with GCC and broke booting > > 32-bit machines when using Clang. > > Pulled, but whenever there are possible subtle compiler issues I get > nervous, and wonder if the problem was reported to the clang guys? > > In particular, if the kernel change was technically correct, maybe > somebody else comes along in a few years and tries the same, and then > it's another odd "why doesn't this work for person X when it works > just fine for me".. > > Linus It was. https://github.com/ClangBuiltLinux/linux/issues/593 https://bugs.llvm.org/show_bug.cgi?id=42762 We're still waiting for input from the PowerPC backend maintainers as that is most likely where this issue originates from. Cheers, Nathan