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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91A6BE92702 for ; Thu, 5 Oct 2023 14:17:48 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0E52D8D00BD; Thu, 5 Oct 2023 10:17:48 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 095318D0008; Thu, 5 Oct 2023 10:17:48 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EC5FF8D00BD; Thu, 5 Oct 2023 10:17:47 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id DADA48D0008 for ; Thu, 5 Oct 2023 10:17:47 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id A9BF912023F for ; Thu, 5 Oct 2023 14:17:47 +0000 (UTC) X-FDA: 81311611374.16.8C68C6B Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf23.hostedemail.com (Postfix) with ESMTP id CE0E514002F for ; Thu, 5 Oct 2023 14:17:44 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=MBVx2hbu; spf=pass (imf23.hostedemail.com: domain of broonie@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=broonie@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1696515464; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=n2SbN3LMmLtZSE9PVJTmDtknegCSiJstyBqH3Zf/Plw=; b=Zo35EtTk6a81HYBW4M4GNQyaS3rmSdzde5DtZrtcgWBfyFJrTU8lKW+7tU90Dw2q/itUkg 9h1d1da+Zxjq4ze3Hr4KmfJf779htOrlGxhRZObO2Ttn6Btb9Qb09QNGZW+QCFgEsu+QdT Rtg4pd4/Kf2LnvZT8Q8sC4ZDYK+jHlk= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1696515464; a=rsa-sha256; cv=none; b=C38BO0s/YSxYwI3SUI3uu1TLnyzQahBB6mxjptlRW8WHworCjJcp/30ySeHqRwPfpHM3oL pvHcPCWcyEdtZGBhD4bWJa0bvb2TOfMyUtjxIuub8yjA0YlnfUibyPgqjEb5+nIf+VxTTx bAqCYj+Y70YiRXFC9HhMUQ20iu96OR8= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=MBVx2hbu; spf=pass (imf23.hostedemail.com: domain of broonie@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=broonie@kernel.org; dmarc=pass (policy=none) header.from=kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id D1940619D7; Thu, 5 Oct 2023 14:17:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A0F1C433B7; Thu, 5 Oct 2023 14:17:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696515462; bh=n2SbN3LMmLtZSE9PVJTmDtknegCSiJstyBqH3Zf/Plw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MBVx2hbugpQP6jkbd1ITw5gHrz3tnj33L0Bd5xv8ZAjC611wa6q9MyhqiemN9sb6i pSSE+7llKq8sYdUkF3g7B+tdZrnW7kDEC9S0wZLzi9aPKWXYE1T5JriSGFWheO4L5r vIVfSNh0TOx/AHl+AArbb9A15ZpsKCYAYjJkJzI4vPyaXdBPBl8UU/L5NbHCAVY3yT uZoL5JSJFwylejnRveHP8whZksWmrSf+nJmFSahNdNtVTMDL+wb099jb1/NIaIxQW3 L4MM1/m1v+q6kuNS8889jwKaw7o0KSScSd/rPL6+hLBArNISqA3kzMfNDtDI0c59Jd s3G0dkOcWRvrA== Date: Thu, 5 Oct 2023 15:17:36 +0100 From: Mark Brown To: Joey Gouly Cc: linux-arm-kernel@lists.infradead.org, nd@arm.com, akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, catalin.marinas@arm.com, dave.hansen@linux.intel.com, maz@kernel.org, oliver.upton@linux.dev, shuah@kernel.org, will@kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v1 07/20] arm64: enable the Permission Overlay Extension for EL0 Message-ID: <421c6b38-4187-4a61-9374-bf0bd4774be4@sirena.org.uk> References: <20230927140123.5283-1-joey.gouly@arm.com> <20230927140123.5283-8-joey.gouly@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="PE37tXSahyYmW1f1" Content-Disposition: inline In-Reply-To: <20230927140123.5283-8-joey.gouly@arm.com> X-Cookie: Avoid contact with eyes. X-Rspamd-Queue-Id: CE0E514002F X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: 66mujf1bkkgz9ongmwpdc6ah5j9sqe8n X-HE-Tag: 1696515464-208599 X-HE-Meta: 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 jsFBo/Cy BUIznYF0Bggq/QOOzjaQ99LeC/itUMQS/O8DthadZkXeYSD15Xf5w/Vu659/ibE+mlJd/NjCtv/MVuSXjo/RGr6FoXi8JhycZu9Ng+ydQkb0k2lb4VWrmWTuF6y4ThFl8qCgrB0MjajO5OKLlbDwUv68S3qfjDcvd+WI+P02PRmoQQZEwQN+k6nK12xMTAEuqoOP8g5gyaHF6d1XvGu34PZwvmh+re7kBnL5t85e+B+OzLRq8i127DTLdwhAwTtsVV6WB X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --PE37tXSahyYmW1f1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Sep 27, 2023 at 03:01:10PM +0100, Joey Gouly wrote: > Expose a HWCAP and ID_AA64MMFR3_EL1_S1POE to userspace, so they can be used to > check if the CPU supports the feature. Please also add the new hwcap to the hwcaps self test. --PE37tXSahyYmW1f1 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmUexX8ACgkQJNaLcl1U h9CMDQf+I3vcui8ynX5ItP/OcgACY7EBmFwb2StucUHwswBNVsj+nKXT2ayn6xps bW5+7X6b0b/CRko8xIHEw3VzJqyx88nIZV6IKJPJo9PlmIQtFnV3sJ5s2AFMOu4j C3MYASrlImEzYrcsa8uYSV0jFfEJ7TQUhBiVWS1LJHUnExw6AiaYK3SF4AzHQCxw ds0e9t++hMWhEfMUACE0XtAYz0RBqNEjetJvPSHFzXZJ47P99RX0wl/ci1WIDcR1 s2ZGUsyZHBTLt0U5+YKQf9f3RNJghEUn/YZnpyv6ITRwEYWYqhIlZtndkZF0D+9v N00f45ZUZBUQQz1A6RhqRDgO7DOcQQ== =og9J -----END PGP SIGNATURE----- --PE37tXSahyYmW1f1--