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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 5001FC4332B for ; Fri, 20 Mar 2020 18:07:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3351C20739 for ; Fri, 20 Mar 2020 18:07:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727128AbgCTSHE (ORCPT ); Fri, 20 Mar 2020 14:07:04 -0400 Received: from foss.arm.com ([217.140.110.172]:55186 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725446AbgCTSHD (ORCPT ); Fri, 20 Mar 2020 14:07:03 -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 2C7DE1FB; Fri, 20 Mar 2020 11:07:03 -0700 (PDT) Received: from [10.37.12.158] (unknown [10.37.12.158]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E3B523F305; Fri, 20 Mar 2020 11:07:01 -0700 (PDT) Subject: Re: [PATCH 3/6] arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register To: anshuman.khandual@arm.com, linux-arm-kernel@lists.infradead.org Cc: catalin.marinas@arm.com, will@kernel.org, linux-kernel@vger.kernel.org References: <1580215149-21492-1-git-send-email-anshuman.khandual@arm.com> <1580215149-21492-4-git-send-email-anshuman.khandual@arm.com> From: Suzuki K Poulose Message-ID: <54e53bb4-beb3-1a36-e8a4-2f3bda433739@arm.com> Date: Fri, 20 Mar 2020 18:11:46 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <1580215149-21492-4-git-send-email-anshuman.khandual@arm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/28/2020 12:39 PM, Anshuman Khandual wrote: > Enable all remaining feature bits like EVT, CCIDX, LSM, HPDS, CnP, XNX, > SpecSEI in ID_MMFR4 register per ARM DDI 0487E.a. It might be worth adding a comment here mentioning why SpecSEI is HIGHER_SAFE, unlike the majority. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Suzuki K Poulose > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual With that: Reviewed-by: Suzuki K Poulose 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,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 90B96C4332E for ; Fri, 20 Mar 2020 18:07:07 +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 6340020739 for ; Fri, 20 Mar 2020 18:07:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ojYN0TpL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6340020739 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-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CRgEaF1thj+Gw8qhYPhMFfoXk7PHbRmZBIJWyJTuHtA=; b=ojYN0TpLy0+qZFqja3xf1AR+6 GjtYJ1OEIiC4/2IZvWTVZpd6P8MDZCjMTYeNlzJszj9Hk3Yq3LtWKosbBQvD+7g+OZ8Xg4JPFtPxQ 1iizAxXZPcvAMCoQs5SRMdq1kHkH0L5e4khwcPvRlOb+DxHAdgt9LAaDvAEV2vkza4+/RstDulv0j mY4YOhLhZpkV738vligX75gXYstfnN0U/TL/hSMoMaMaZrFK3mJ33Z14IyAxKELY/+a8U7LmHGdsY 4DexdkWt+Tg0IxsxuaFMzsvmy3k3ydI/hBI3nETEnFx79xtU+R5HOfT0Kq8nPscwQNqq9SDUIrXMb so0NHAQQA==; 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 1jFM30-0007ew-QC; Fri, 20 Mar 2020 18:07:06 +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 1jFM2y-0007ea-04 for linux-arm-kernel@lists.infradead.org; Fri, 20 Mar 2020 18:07:05 +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 2C7DE1FB; Fri, 20 Mar 2020 11:07:03 -0700 (PDT) Received: from [10.37.12.158] (unknown [10.37.12.158]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E3B523F305; Fri, 20 Mar 2020 11:07:01 -0700 (PDT) Subject: Re: [PATCH 3/6] arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register To: anshuman.khandual@arm.com, linux-arm-kernel@lists.infradead.org References: <1580215149-21492-1-git-send-email-anshuman.khandual@arm.com> <1580215149-21492-4-git-send-email-anshuman.khandual@arm.com> From: Suzuki K Poulose Message-ID: <54e53bb4-beb3-1a36-e8a4-2f3bda433739@arm.com> Date: Fri, 20 Mar 2020 18:11:46 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <1580215149-21492-4-git-send-email-anshuman.khandual@arm.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200320_110704_079551_4F004201 X-CRM114-Status: GOOD ( 10.62 ) 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, linux-kernel@vger.kernel.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 01/28/2020 12:39 PM, Anshuman Khandual wrote: > Enable all remaining feature bits like EVT, CCIDX, LSM, HPDS, CnP, XNX, > SpecSEI in ID_MMFR4 register per ARM DDI 0487E.a. It might be worth adding a comment here mentioning why SpecSEI is HIGHER_SAFE, unlike the majority. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Suzuki K Poulose > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual With that: Reviewed-by: Suzuki K Poulose _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel