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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 48DCDEB64DA for ; Wed, 19 Jul 2023 10:18:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/D5dZ2a3qE3lFctIIpIv7MD9zm080zFi5pPKiooB8eo=; b=HHkMF4rjVp0s4J cWH4ib4xKVr4BwNmwjkmOpCDjvJ2q12MxPrDP5ePhCPaWPaTLpsYzAJN5XEoiqlcOPQx5EkkhYQn3 h6EBIdwSaRf83ZJxtRhFo6DpC34/0i79VHAw3x4woKQgx/qiXVYpG16RE0riARB7ag5OEYq8OMX8s 7yEYOzFN3e22J8xSj0zYaBZT/ZIpRkKbgZHMVdutAeH0z877WEeQJu+S3iUEu7gTl7ktTslCJpuw5 jYopOjFKAvyvHViponTI4myNbjDMXp/yhLHdY7Q6QyfL00vcd2MecY0NoI2udIpQtJbP3VyL/WFHI 7LMxAf/0h9LRHxHoxS1g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qM4G9-006fZd-0I; Wed, 19 Jul 2023 10:18:17 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qM4Fw-006fT9-1o for linux-arm-kernel@lists.infradead.org; Wed, 19 Jul 2023 10:18:06 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=HCnfwV8Zv+gGg3dhNEV2MgAuWzJqhUeBnoFdYducEIE=; b=iUMaV4Y6+F2miA0lV7XU3s+4Kf B9TqVySgqh5pLRVLGcBFDEBw6htYPPeRu0NrH8StHz0puzuvfQBf79UAKtZqswN1lABvIqOMglHD4 uQpp2RuhC5LVLrJC2V19ZPx0nXU2bzbLF/P3lNFTZqmRnVR8tyMHnc4FxyBxHQFiSRPv0EOv5LOae Dlh79vtIcGTabbY3XlITKsBLJa0u5NriBhenQWdigF2Y+GqzJFJWlQTr0RYxCbbhKDJuqEJhj/Xi5 UjK21TGcSXhNi0WkNZinL0Gj/KxDUiM43+Q7jV/vFQ+Vc9clh9WOO+ZiD7QSbAhWIZLFIZ4HZijDJ M1vv5lCQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:57542) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1qM4Fr-0007Kc-2T; Wed, 19 Jul 2023 11:17:59 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1qM4Fq-0003zi-SM; Wed, 19 Jul 2023 11:17:58 +0100 Date: Wed, 19 Jul 2023 11:17:58 +0100 From: "Russell King (Oracle)" To: Ard Biesheuvel Cc: linux-arm-kernel@lists.infradead.org, Linus Walleij , Arnd Bergmann , Sebastian Andrzej Siewior Subject: Re: [GIT PULL] ARM: convert VFP exception handling to C code Message-ID: References: <20230522080310.502250-1-ardb@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230719_031804_598078_9DD12795 X-CRM114-Status: GOOD ( 19.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jul 19, 2023 at 12:15:10PM +0200, Ard Biesheuvel wrote: > On Mon, 22 May 2023 at 10:03, Ard Biesheuvel wrote: > > > > Hello Russell, > > > > This pull request covers the outstanding changes related to VFP exception > > handling that I implemented on top of the VFP-in-softirq policy change and > > subsequent fixes. The code changes are identical to the v2 series [0]. > > > > With these changes applied, only FPE related undef exceptions are dispatched in > > the old way. Everything else is handled using undef hooks, with all logic > > implemented in C. > > > > I have tested this on a variety of platforms, including Cortex-A8 (using kernel > > mode NEON) and the original Raspberry Pi (which relies on VFP bouncing), as > > well as a host of platforms used in KernelCI [1]. All encountered issues have > > been fixed. One notable configuration that I have not been able to test is FPE, > > as it implies a OABI user space, which I don't have access to. > > > > Please pull. > > > > Ping? I pulled it before heading away on holiday: http://git.armlinux.org.uk/cgit/linux-arm.git/log/?h=devel-stable -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel