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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E8676D6552F for ; Tue, 26 Nov 2024 17:06:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HP/H/0dzCgPRB0GMyLHltJaLK9Pd6hnKN0kC1kAofEU=; b=E14ZfHMZ2A65YnwU3pDs0hvm3+ b2zcNtmeYzQT78zFxBgE8XPph7QBM58Xiri5qi9F1r7msxUSBX33Of/MzaXmbgBKIEhkzM2Rk32s/ n2uy8/UCjCMAI7iKIkAFN4jWO0vbjXI250yQ2kFBw0mG6CkKJHGTvUJ3LPFNZtgVvS1elx4duAqVa u3SWjAg+jLRiVz5s1F5GrPYjx3iObb6bejkp7En4Wn544VeI47IhruoKzFLVZUjETr4Sp2KFn6H1Z h3xlGsGaYod3JZ/DxKDW65EfItZR5d+LfsnaQDzakOoGLm7kV0szqS5iZIdtWUgEkw0jxgAxgP1VW 9cqohlpw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFz1A-0000000BFZx-0q3C; Tue, 26 Nov 2024 17:06:28 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tFz0B-0000000BFVV-32MB for linux-arm-kernel@lists.infradead.org; Tue, 26 Nov 2024 17:05:28 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 7D119A40FC3; Tue, 26 Nov 2024 17:03:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C2ECC4CECF; Tue, 26 Nov 2024 17:05:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732640726; bh=HP/H/0dzCgPRB0GMyLHltJaLK9Pd6hnKN0kC1kAofEU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=SJo/6spMIAnnbKXIptCzsu+BXMccGwmKn2v+VN8kFPXyNOAud6731jsSuRyrSqEJD aPrwp00q6bLXWvW/+2eHk0Jf5kZ7GpQShNzxT1jEMPLA+cO2sqW2Xg8WfAJP7MvbJ0 Czks742dsutEpROpFAwZ/NmNqhDe+ATGdiLSN8YrtbAyeFHgfoxHqzcxRA1ZBfkI7F OZ6ucK6FK7jySdgEB4I5LBQJEIkmjBEru4N6HipmukaCMUOxTfOEPm6fXVYYg2Onj8 QnkGBVK6xCJsEknCw1DDKZDybUtaoZ6O5r7zMghQ1mtt//tFtlHassOewNQB7HosTo /DAsUCdEr6M1w== Date: Tue, 26 Nov 2024 17:05:22 +0000 From: Mark Brown To: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org Subject: Re: [BOOT-WRAPPER PATCH 2/3] aarch64: Enable use of FPMR for EL2 and below Message-ID: References: <20241126153955.477569-1-mark.rutland@arm.com> <20241126153955.477569-3-mark.rutland@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="O5kDVospwuUoDUAc" Content-Disposition: inline In-Reply-To: <20241126153955.477569-3-mark.rutland@arm.com> X-Cookie: Have a taco. X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241126_090527_830543_C2C84DD2 X-CRM114-Status: UNSURE ( 9.66 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --O5kDVospwuUoDUAc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Nov 26, 2024 at 03:39:54PM +0000, Mark Rutland wrote: > FEAT_FPMR adds the FPMR register. Acceses to FPMR (whether direct or > indirect) trap to EL3 unless SCR_EL3.EnFPM is set, and so boot-wrapper > support is necessary. Reviewed-by: Mark Brown --O5kDVospwuUoDUAc Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmdF/9EACgkQJNaLcl1U h9C6+Af/d9gFBC+AdlSb0Gd/XhEJpwkdNX6Jq/ppfjHf1zugMeJVA6rLVVgjnv9d zMyrM0VGZZYMvWbFDc2HgVGe0+3xERaXltb3NH0RhrrGX5ssA5y+13BwvBju/vtF S+h1aG2qiJ6c49tWtTsYo2132x9mPKdPPLlZ+WxiMyeFl7NekzR9tZUbusrhbIcv NFrzQ7wG0wu3HnBbtym+JeeztFDwWbka+FG5ccgndEbVToU6k1QKvsSqI3voMILj MMehMARdJaywuJopeWP/IFyQkYISThnBvdVOSxqOpOI8wl8+OmVxOEYGr0tE6oAE Tg7iMEXowdA5GynDXM/lis3s0PlijQ== =Ox3e -----END PGP SIGNATURE----- --O5kDVospwuUoDUAc--