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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 32583C33CAF for ; Thu, 16 Jan 2020 18:41:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 0908D2073A for ; Thu, 16 Jan 2020 18:41:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JAB3qifk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0908D2073A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject: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=Re8XopAuDTUvp8ZeJR7ut/ciRBY/SAsAfPm4SeGRRfI=; b=JAB3qifkUd4Unr 8etbu6tK0Q9F5dWXvZF4Y87GohvPG4WlWFw2hkGs8uvMrSQ72VutyeMTFli1wrDEnUNmFqZpwXDBE rt0tchl/cn9NQwKcDy2x5jL4Ri6xYNdIc3GO3x2gO6PlI975X/H8QQi8HK6NIsSeg1Wy6fXUetOaA HMXdqeKLjl8f4O2y24UqwRgxIoiIDlBSfmfW3trfulQKlVVffTbKB0K5CHcFA/Eqjr+Rj4RONaDPi /C4sq8HRibZAjwKz4PVhwltRi7B3WsCftomz7ynwr6lNWy9KRejhIwSqGkNSbxLRTvSQ7RnCbbOaN xfcov7kcpopGiHKGKy/w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1isA5Q-0004Sa-6C; Thu, 16 Jan 2020 18:41:44 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1is9QV-0003Tj-Cn for linux-arm-kernel@lists.infradead.org; Thu, 16 Jan 2020 17:59:32 +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 A2A5C31B; Thu, 16 Jan 2020 09:59:24 -0800 (PST) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.197.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DB7FA3F534; Thu, 16 Jan 2020 09:59:22 -0800 (PST) Date: Thu, 16 Jan 2020 17:59:20 +0000 From: Catalin Marinas To: Amit Daniel Kachhap Subject: Re: [PATCH v3 08/16] arm64: initialize ptrauth keys for kernel booting task Message-ID: <20200116175920.GH10277@arrakis.emea.arm.com> References: <1576486038-9899-1-git-send-email-amit.kachhap@arm.com> <1576486038-9899-9-git-send-email-amit.kachhap@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1576486038-9899-9-git-send-email-amit.kachhap@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200116_095927_516240_5D85A998 X-CRM114-Status: UNSURE ( 9.81 ) 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: Mark Rutland , Kees Cook , Suzuki K Poulose , Ard Biesheuvel , Richard Henderson , Kristina Martsenko , James Morse , Ramana Radhakrishnan , Mark Brown , Vincenzo Frascino , Will Deacon , Dave Martin , 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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Dec 16, 2019 at 02:17:10PM +0530, Amit Daniel Kachhap wrote: > diff --git a/arch/arm64/include/asm/pointer_auth.h b/arch/arm64/include/asm/pointer_auth.h > index aa956ca..0f89f59 100644 > --- a/arch/arm64/include/asm/pointer_auth.h > +++ b/arch/arm64/include/asm/pointer_auth.h > @@ -60,6 +60,12 @@ static inline void ptrauth_keys_init_kernel(struct ptrauth_keys_kernel *keys) > get_random_bytes(&keys->apia, sizeof(keys->apia)); > } > > +static inline void ptrauth_keys_switch_kernel(struct ptrauth_keys_kernel *keys) I think we should use __always_inline here, just in case the compiler ignores the hint. Otherwise: Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel