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 63CFAC2B9F8 for ; Tue, 25 May 2021 19:12:50 +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 2D8DB613A9 for ; Tue, 25 May 2021 19:12:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2D8DB613A9 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=BTb47jKSCPE7Qv4eMcl9TxNLcth2Nq23hQ7WPK/BaVo=; b=ZKuU+JxMAVCVND E6WyPj5sgj1aEgt8drHVHw7G5pIa10JXs3fwpLsWgVjlZs3UK+RTD/TGb/RQ7Ut8No5qgH2VdkvpY 7KxK4JRaBAfeykwfG5rJzoSM6sWMj/aEatfvJRz9GeSp/KLXAKm376dOo8gtl7t8YyTCzEBkce+OC Myavj3C+LHah9RL2mxdOW4STb+APr8uxHSInYVXotlAVxryPf5xwSie26PS/YJLstVHVxV5UVHJIQ /Y1mbNNAXAvONSaIB+NdxOrXyUi+j2pYWSFZJ1vkjMAaYnIFRCmZJpxRfwvkr3hyVfENttaCLnsiz svYvRPvrIs87KSOqujrA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1llcSG-007aYk-7T; Tue, 25 May 2021 19:11:05 +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 1llcGd-007UlP-5Z for linux-arm-kernel@lists.infradead.org; Tue, 25 May 2021 18:59:04 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 04E4A61417; Tue, 25 May 2021 18:59:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621969142; bh=2Mv5Be9XwtsBGxeCORblI9oDEvPaC8+q4R8ZbWK70Ys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qQDHIpQDFs6stUzvTEuV0XCLdowmCGsIGdpXpj8Tx3tZHNQhwDjGCj7wbjgQ6ypnY orI/GNIG30GaUgjIWQQ122S1AiUCmNxcRZtx76kjFKm2wL/y73KUeVlWicIXs9U9Zq HOs0RZHneuL+3etmrhWKNp4jsxLuKsY+eCBjnxCCgSPb5hBmnPul0kqHUPwnsvZnly iz+KPtO+vxGyku3+xZjARLWmMX300X71Ngjlca+iEsI+T6rfHobEmcbBwkdlQ2+sJr I2tpCzVDHrxfFlnXIfZTv49Rc8Qugx7Z0cDIjrp5wt+GKcs8jLBeY0cWX34tcVUe/o tw8147nws89pQ== From: Will Deacon To: Catalin Marinas , Mark Brown Cc: kernel-team@android.com, Will Deacon , linux-arm-kernel@lists.infradead.org, Marc Zyngier Subject: Re: [PATCH] arm64: Document requirement for access to FEAT_HCX Date: Tue, 25 May 2021 19:58:44 +0100 Message-Id: <162196592895.2316685.1249691460761312305.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210512162350.20349-1-broonie@kernel.org> References: <20210512162350.20349-1-broonie@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210525_115903_289869_7E1954DA X-CRM114-Status: UNSURE ( 8.10 ) 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 Wed, 12 May 2021 17:23:50 +0100, Mark Brown wrote: > v8.7 of the architecture introduced FEAT_HCX which adds an additional > hypervisor configuration register HCRX_EL2. Even though Linux does not > currently make use of this feature let's document that the EL3 trap for > access to the register should be disabled so that we are able to make > use of it in future. Applied to arm64 (for-next/docs), thanks! [1/1] arm64: Document requirement for access to FEAT_HCX https://git.kernel.org/arm64/c/ca940790d2dd 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