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=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 7A3B1C2B9F8 for ; Tue, 25 May 2021 19:18:43 +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 344A36140F for ; Tue, 25 May 2021 19:18:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 344A36140F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=AuGJbuyICM7hiJiTWmCMBmZM1Qr+/Xw0ha9YK6/Eh6E=; b=Z3Wj/a3ODzXKJ0 pm6DcG4PuypZhaVaXtMYLQGO2DwUI8BxgKhJP2/vdq0ULM0I6G24ujJPLskO32CvF/fQ/GR1OB+E4 GvIulHyedYTukmUUPqU8xK7wl8RX94qNdhTCbpY3E0W8/PCqdegki7acPouIrii4yh6VRiWA5gzFF M81XC8l5ZdG5oJhjQvDPx/P947zsAh/+TC5zeAcYK7amkB2tEqSq7jWqzJew+l/9FsjalT2dQybP8 WfXlomBWF1AtcrKEfCBD4iYtu2AsEboXM8d+Lxp+/89rgxTYGaGf2DP2sEJf7UWe6NISTgNDQeD/x 0HDg+3uqr0G3XHRh30uA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1llcXz-007dZw-KW; Tue, 25 May 2021 19:17:00 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1llcGg-007UnI-0Z for linux-arm-kernel@lists.infradead.org; Tue, 25 May 2021 18:59:07 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 481606138C; Tue, 25 May 2021 18:59:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621969145; bh=1y+bONgEOhodCq7zlQ1TT0tN9XtjmvOlHXP/RkgIY6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qpYfe+qcnAomshM7EH8BRxOmA5THMrefxxgUNbBvhJtuDgF4tMyuqwVWZBTXK6zwy wUChYD3Y7saQWSXfuCVLaKDzfvPf1RCWxFj5zOW1LVHc0PBgH5lNjbuKaKG7yPoeLd OiP8PKQSLlwt6DURu8X4eUSHcaL+P2PWLNgTUlKqvTqXKj141OGeV3a/5IBIqZTY2D gcQN5G7gQY5uPhJpHlVzNqo629XWdlN9h8OU2KrH9Mn9ACFGiM8YGQ1lbQHJgCTxWK wgqxAoGe35HCKnM3mRSsf5yGzUjPBSfAjp+o0vKGKsQXMJM9DesTdtgDDBzfo0vFrs c0Xhc8Yu5Paow== From: Will Deacon To: linux-arm-kernel@lists.infradead.org, Catalin Marinas Cc: kernel-team@android.com, Will Deacon , Suzuki K Poulose , Mark Rutland Subject: Re: [PATCH 0/2] arm64: Taint the kernel on different GMID_EL1.BS Date: Tue, 25 May 2021 19:58:46 +0100 Message-Id: <162196700412.2318219.13287359392592661082.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210511182322.3830-1-catalin.marinas@arm.com> References: <20210511182322.3830-1-catalin.marinas@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210525_115906_124904_9372D448 X-CRM114-Status: UNSURE ( 8.78 ) X-CRM114-Notice: Please train this message. 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 Tue, 11 May 2021 19:23:20 +0100, Catalin Marinas wrote: > The GMID_EL1.BS field determines the number of tags accessed by > STGM/LDGM. While I haven't heard of a system where this field differs > across CPUs in a system, it's better to check. > > In addition, "upgrade" the sysreg storage in struct cpuinfo_arm64 to > u64. > > [...] Applied to arm64 (for-next/cpufeature), thanks! [1/2] arm64: Change the cpuinfo_arm64 member type for some sysregs to u64 https://git.kernel.org/arm64/c/0f7b586f8fe7 [2/2] arm64: Check if GMID_EL1.BS is the same on all CPUs https://git.kernel.org/arm64/c/71b7566d3fd6 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel