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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 0071AC433DB for ; Mon, 18 Jan 2021 16:26:15 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 63C4522BE9 for ; Mon, 18 Jan 2021 16:26:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 63C4522BE9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id C6F644B2D6; Mon, 18 Jan 2021 11:26:13 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZIlo3UMY85hK; Mon, 18 Jan 2021 11:26:12 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id D02D04B2A2; Mon, 18 Jan 2021 11:26:12 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 991404B2A2 for ; Mon, 18 Jan 2021 11:26:11 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cCYlqaDaiuMi for ; Mon, 18 Jan 2021 11:26:09 -0500 (EST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id BD1A04B2A0 for ; Mon, 18 Jan 2021 11:26:09 -0500 (EST) Received: by mail.kernel.org (Postfix) with ESMTPSA id B7CEE206D8; Mon, 18 Jan 2021 16:26:07 +0000 (UTC) Date: Mon, 18 Jan 2021 16:26:05 +0000 From: Catalin Marinas To: Marc Zyngier Subject: Re: [PATCH] arm64: Drop workaround for broken 'S' constraint with GCC 4.9 Message-ID: <20210118162604.GB4483@gaia> References: <20210118130129.2875949-1-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210118130129.2875949-1-maz@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: kernel-team@android.com, Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Mon, Jan 18, 2021 at 01:01:29PM +0000, Marc Zyngier wrote: > Since GCC < 5.1 has been shown to be unsuitable for the arm64 kernel, > let's drop the workaround for the 'S' asm constraint that GCC 4.9 > doesn't always grok. > > This is effectively a revert of 9fd339a45be5 ("arm64: Work around > broken GCC 4.9 handling of "S" constraint"). > > Signed-off-by: Marc Zyngier It looks like I merged this fix in -rc1. Do you want me to merge the revert as well or you'll handle it? -- Catalin _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm