Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp4734121ybb; Tue, 24 Mar 2020 04:25:06 -0700 (PDT) X-Google-Smtp-Source: ADFU+vvTn+Ff1SyDgkE9rGbeyVOtUEKY+DsXnnEwKj0ldaSoW4liTbxIdJe471XlWd2J7sjq/XTK X-Received: by 2002:aca:39d5:: with SMTP id g204mr2830308oia.93.1585049106015; Tue, 24 Mar 2020 04:25:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585049106; cv=none; d=google.com; s=arc-20160816; b=G3k1Dx8u4Ld5B/nWsy7ocQyZJVI3CVS+UfM9sENw7bIT24N5i9uaLfPUBEllP+/oq9 FbHysktQB/W5sornf9uQMfYaD6KHqyCN7Zq72xL/cxOVKH8I0TZmi/pXzO5DADhBg70T d13DBeq3XgfDquAwcA3n76n2sitOSfWMvW5zE9p3gYZwY0gie9yhUiOyiecisYO8Hf6A R+iZz/QWC74EqwghGd+hk1AGmgZNV7ZoUZ1DjoKQvbV3sbmEUEDbY9qPzkhEdQkXN3JK UWlYk5Fwb3IxXWpBDIOKl+I6kiZZtMtfzMZNcZEDzrzQN0cw8a4Eg9slqKMlZq4yH4kL lLOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=0ki0vuCUvdOE2U71rZTFZIb/4O6O+wCjiGnG8fMIOqE=; b=o7MUCXKa38qXm9nAQt3u4xd1Y+HUvHorxGhS+JsLoBoiZC0KdoVtVfpte+HzVpqT+l Pq5sTXNKz/YYk2m8fkzd76l6d1szpEqt7QzAgDZnT97MIyUEgexvV73IWnkrHosVxOsQ bqGyiz6uFIx3VcpCiRfabqRtHlA8xCi+3tYkpU7pttPBtFIELz3OtGYapHlaCBFL5Bq7 gE+OeEmkIcC0TD+vXfISQX6Wvhl1ADsijFN/ifRnx4Z/jIIX2lN99RSQgNmzzZP4/BcN mwWOTU/HZ+zOxmLX0jyiQkoTGlayzabMnKi3GfP4avi+RpBUJ/F0dd4L0dhV047Efcag ii3A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f128si8743290oig.208.2020.03.24.04.24.52; Tue, 24 Mar 2020 04:25:05 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727241AbgCXLXV (ORCPT + 99 others); Tue, 24 Mar 2020 07:23:21 -0400 Received: from foss.arm.com ([217.140.110.172]:60984 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727124AbgCXLXV (ORCPT ); Tue, 24 Mar 2020 07:23:21 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E0C2231B; Tue, 24 Mar 2020 04:23:20 -0700 (PDT) Received: from mbp (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EB8793F792; Tue, 24 Mar 2020 04:23:19 -0700 (PDT) Date: Tue, 24 Mar 2020 11:23:17 +0000 From: Catalin Marinas To: Mark Rutland Cc: =?iso-8859-1?Q?R=E9mi?= Denis-Courmont , will@kernel.org, james.morse@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] arm64: clean up trampoline vector loads Message-ID: <20200324112316.GG4892@mbp> References: <1938400.7m7sAWtiY1@basile.remlab.net> <20200323121437.GC2597@C02TD0UTHF1T.local> <20200323190408.GE4892@mbp> <2067644.cOvikPKVsA@basile.remlab.net> <20200324105217.GA20256@C02TD0UTHF1T.local> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200324105217.GA20256@C02TD0UTHF1T.local> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 24, 2020 at 10:52:17AM +0000, Mark Rutland wrote: > On Mon, Mar 23, 2020 at 10:42:30PM +0200, R?mi Denis-Courmont wrote: > > Le maanantaina 23. maaliskuuta 2020, 21.04.09 EET Catalin Marinas a ?crit : > > > Should we just use adrp on __entry_tramp_data_start? Anyway, the diff > > > below doesn't solve the issue I'm seeing (only reverting patch 3). > > > > AFAIU, the preexisting code uses the manual PAGE_SIZE offset because the offset > > in the main vmlinux does not match the architected offset inside the fixmap. If > > so, then using the symbol directly will not work at all. > > Indeed. I can't see a neat way of avoiding this right now, so should we > drop these patches and leave the code as-is (but with comments as to the > special requirements that it has)? I'm going to drop these three patches from -next for now but I can take any updated comments (they are pretty much missing from this code). Thanks. -- Catalin