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=-9.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 782CBC433E0 for ; Mon, 18 Jan 2021 16:28:19 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id E4D5A206D8 for ; Mon, 18 Jan 2021 16:28:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E4D5A206D8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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 565364B199; Mon, 18 Jan 2021 11:28:18 -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 0BkaX4Q-uiR1; Mon, 18 Jan 2021 11:28:17 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 395FE4B1AD; Mon, 18 Jan 2021 11:28:17 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 392894B1AD for ; Mon, 18 Jan 2021 11:28:16 -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 gTueNXlAM-Dp for ; Mon, 18 Jan 2021 11:28:15 -0500 (EST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 1AF464B199 for ; Mon, 18 Jan 2021 11:28:15 -0500 (EST) Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BB96F206D8; Mon, 18 Jan 2021 16:28:13 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1l1XNz-008YJ7-L2; Mon, 18 Jan 2021 16:28:11 +0000 MIME-Version: 1.0 Date: Mon, 18 Jan 2021 16:28:11 +0000 From: Marc Zyngier To: Catalin Marinas Subject: Re: [PATCH] arm64: Drop workaround for broken 'S' constraint with GCC 4.9 In-Reply-To: <20210118162604.GB4483@gaia> References: <20210118130129.2875949-1-maz@kernel.org> <20210118162604.GB4483@gaia> User-Agent: Roundcube Webmail/1.4.10 Message-ID: <5e62b07d348a0210f82be5d101c3b109@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, will@kernel.org, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On 2021-01-18 16:26, Catalin Marinas wrote: > 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? It'd make sense if it went via the arm64 tree as well. Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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=-9.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 B154DC433DB for ; Mon, 18 Jan 2021 16:29:43 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 6540F22BE9 for ; Mon, 18 Jan 2021 16:29:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6540F22BE9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:To:From: Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uNAu3+NebWSwHKuvHefB6mFUD3tE3N8em8msafHQ3Gg=; b=GhRVRBm7DCNKEmsEF4cfEjuA8 ZcNnbvIgCRidGVMKLiPDC2Puq+MS31Em3/elo8sxAVkdtoh7t6Fojl7yv0G2HEwTtI1mtqk0/rHua WNQbRgY+v5hagUMK0xDDZm9z4CoUPfpWcF1MQJbOYwP5Ynb0Eryzpp8E+PiwHwZTiLs1z0LcZkwGg vK5SxP2eO4I6i0QsFfRADtS1bDe9Nbb8XhHrWp20/pDy6/aWvP1S37XDlmCADVog5imnx1Ae0JIl7 PHAlE4AwxLTqGs3KxrSQj1HvVihdS7g6YoWbfU3GFvjH1q8Oaue61M+ad/Jbnvh84BrQYGsedf2vp N//xwAzjw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l1XO5-0004Vm-F5; Mon, 18 Jan 2021 16:28:17 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l1XO2-0004VG-Ly for linux-arm-kernel@lists.infradead.org; Mon, 18 Jan 2021 16:28:15 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BB96F206D8; Mon, 18 Jan 2021 16:28:13 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1l1XNz-008YJ7-L2; Mon, 18 Jan 2021 16:28:11 +0000 MIME-Version: 1.0 Date: Mon, 18 Jan 2021 16:28:11 +0000 From: Marc Zyngier To: Catalin Marinas Subject: Re: [PATCH] arm64: Drop workaround for broken 'S' constraint with GCC 4.9 In-Reply-To: <20210118162604.GB4483@gaia> References: <20210118130129.2875949-1-maz@kernel.org> <20210118162604.GB4483@gaia> User-Agent: Roundcube Webmail/1.4.10 Message-ID: <5e62b07d348a0210f82be5d101c3b109@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, will@kernel.org, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210118_112814_781938_88AA18F9 X-CRM114-Status: GOOD ( 12.10 ) 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: kernel-team@android.com, Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2021-01-18 16:26, Catalin Marinas wrote: > 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? It'd make sense if it went via the arm64 tree as well. Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel