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=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 EC9EBC2BBD4 for ; Fri, 18 Dec 2020 11:58:31 +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 8244823A82 for ; Fri, 18 Dec 2020 11:58:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8244823A82 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com 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-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uUT+5/9rQ/sFajLwLJcNMYzDVoRUIdNxhaBIIya6PhM=; b=H+0NLsvgPYhOWnV59+KpLHwWG geqqVZm/KToNMklgVVyKXJioNbKv5wYpxfOozLvo+Atz1jsI46C5YkktOAwHM1T2Ape2PpDvlI+cc 4Nw+HLu5FT2C7gRcoYz5THl7fQkElz0sEu5aU1F8EzE0B2n8HP6npU7ZcaNDqCJgYRSA2+LyZ69c/ mhfZdMwT07J5SXYNHvBoat9jz/WQMSSV7CvVOITGa5RHVmjDsAoviPt705hb/ntR3bYmSRAGnZpfo Idqkc/yqT+mcxkmd1M/VRIVbZZ8o+F4dZOhIuC8u6cC/NQ4H4mI9bH1Em+GB3sTNPpIKbnNJCJ88A yj28qMy1Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kqENd-0005ys-V4; Fri, 18 Dec 2020 11:57:05 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kqENY-0005xY-8q for linux-arm-kernel@lists.infradead.org; Fri, 18 Dec 2020 11:57:01 +0000 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 E836D1FB; Fri, 18 Dec 2020 03:56:54 -0800 (PST) Received: from e120529-lin.arm.com (unknown [10.57.30.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 970963F66E; Fri, 18 Dec 2020 03:56:53 -0800 (PST) From: Daniel Kiss To: daniel.kiss@arm.com Subject: arm64: split ARM64_PTR_AUTH option to userspace and kernel Date: Fri, 18 Dec 2020 12:56:30 +0100 Message-Id: <20201218115632.59067-1-daniel.kiss@arm.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <26513330-006C-4B28-9123-656CAEB70E1A@arm.com> References: <26513330-006C-4B28-9123-656CAEB70E1A@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201218_065700_386986_52454010 X-CRM114-Status: UNSURE ( 8.05 ) X-CRM114-Notice: Please train this message. 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: Catalin.Marinas@arm.com, will@kernel.org, pcc@google.com, Ard.Biesheuvel@arm.com, linux-arm-kernel@lists.infradead.org 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 As discussed the A-key left enabled, this makes the patch simpler too. arch/arm64/crypto/poly1305-core.S_shipped contains PACISP/AUTISP instructions but this code is called while the preeption is disabled, therefore it won't cause any trouble. v2: - dropped the keychange/enablement for the kernel keys. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel