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 95BD7C61DF4 for ; Sat, 25 Nov 2023 12:11:44 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0E4088D00B3; Sat, 25 Nov 2023 07:11:44 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 094D18D0096; Sat, 25 Nov 2023 07:11:44 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EC4278D00B3; Sat, 25 Nov 2023 07:11:43 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id E0CF88D0096 for ; Sat, 25 Nov 2023 07:11:43 -0500 (EST) Received: from smtpin30.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id B411E8044A for ; Sat, 25 Nov 2023 12:11:43 +0000 (UTC) X-FDA: 81496362486.30.EC1EE5A Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf16.hostedemail.com (Postfix) with ESMTP id 9F8C7180018 for ; Sat, 25 Nov 2023 12:11:41 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=mi0kCUmS; spf=pass (imf16.hostedemail.com: domain of broonie@kernel.org designates 145.40.73.55 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=1700914302; 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=UCZIOpIvim8Wuoual1/Y21llfG2g3HGz1cM7TVnPnsE=; b=wAwtlJ77MBTLILKIIxG13eCw4fEPGVfhG/BnkACf6GQKPNscR1rZyCc8mnX4w+dsE0ZGo5 V3xes9s4uhI8RDRscSjoTqfL8pViZvVokPd9YzOVF1luT4zzjJHO7igi3PT8qEe/ZEfkQa WhyPynfuWNv54lrwbEeX8zDCsuZpouc= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1700914302; a=rsa-sha256; cv=none; b=eLCpWc6jV6GH61qoUNY2pBpwkiclbz0b2yHcBbEvHRo5A7njIMvACD+9IhaW2D1JmCncxd CQQfb8TvWxIjEwF3c6O2RFDtsbdScclX7JuwLd+JQItV68e6ZiVVc04GLNrcFxoe9Z4NjQ GiBqb9ff/2clpG6jZarAvUJt7sOimVs= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=mi0kCUmS; spf=pass (imf16.hostedemail.com: domain of broonie@kernel.org designates 145.40.73.55 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 sin.source.kernel.org (Postfix) with ESMTP id C6D5CCE0B56; Sat, 25 Nov 2023 12:11:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5FC66C433C8; Sat, 25 Nov 2023 12:11:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700914297; bh=UCZIOpIvim8Wuoual1/Y21llfG2g3HGz1cM7TVnPnsE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mi0kCUmS0pH8Z1vZt6bQqYCGrWOfafij0TD70ubXjH9iBNK88KbKpiPtXX1V7AU7T NiYh/qb8zEX5QSl7qUvhbohTiW2U25CqNWcDQmIjMjuddqQuX7RzDBx5o8WOh0qAxm FLuAXsTx1xlSol8wSBdVsUm/yl7l8e1XNDIIom04jepEbh6bJnfND27f305hK+gfzD Exwzm646vHLcmidye2upQ1dFE5eWpRlgkuEWvLv1HE0AsQDmjYPARdQt3H7cVzX0X5 BNopEgtW2x2e8bEa089TEoSsPr4yFieBdSOyTtVkCnKDbOFIWbiwsNV83bEABv/lB/ hg4LiJAkOGCOQ== Date: Sat, 25 Nov 2023 12:11:33 +0000 From: Mark Brown To: Joey Gouly Cc: linux-arm-kernel@lists.infradead.org, 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, James Morse , Suzuki K Poulose , Zenghui Yu Subject: Re: [PATCH v3 03/25] arm64: cpufeature: add Permission Overlay Extension cpucap Message-ID: References: <20231124163510.1835740-1-joey.gouly@arm.com> <20231124163510.1835740-4-joey.gouly@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3wbj0ASBS7bOhMDl" Content-Disposition: inline In-Reply-To: <20231124163510.1835740-4-joey.gouly@arm.com> X-Cookie: Slow day. Practice crawling. X-Stat-Signature: ug68huzrc6bb8uu87mtiooag913q4wuk X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 9F8C7180018 X-Rspam-User: X-HE-Tag: 1700914301-393819 X-HE-Meta: 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 1QYIinRe FbvhCfLSAn7fOTqgOHBtV349C/1y24RLPEz9QakRPfOLk9QNcKyTI+nF1IUc1pFT5fWQtO1CmpvEmvT4dKKUC2CnaQ+65/DllSbT+CHyE79QTdbrkSTJBGUJv+H5AvOVNd7PG6NNexknvkfhokcC1k3WC/iQ4g6b3jVr3+8CV8+XTOyj53IGBMqXksKJnWQnm7t6OV0akQZkw+YAp/8QGJqh0amt/J3dTR4PmYjuOzqL/hGHKzjwaATIGbg== 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: List-Subscribe: List-Unsubscribe: --3wbj0ASBS7bOhMDl Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 24, 2023 at 04:34:48PM +0000, Joey Gouly wrote: > This indicates if the system supports POE. This is a CPUCAP_BOOT_CPU_FEAT= URE > as the boot CPU will enable POE if it has it, so secondary CPUs must also > have this feature. >=20 > Add a new config option: ARM64_POE For bisection purposes if nothing else I'd expect to see the Kconfig option added after everything else is in place so that we don't build a kernel image which has partial POE support available and confuse things, with no way to enable the config option earlier patches which just build the !POE case until everything is ready. --3wbj0ASBS7bOhMDl Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmVh5HQACgkQJNaLcl1U h9Bz0Qf9EFhTe+LLlrJ0jw8+wZY2dAkmLfFdaQATu6Rwd6WP6JeP+SYmqzki7NDD fPm7u0c9RbkbmZrGPIZyVKoxL/kOrSFCAVRChyjTuKXmsV4/0RQrxcqaH1dOb5GY uJ5LIu3b0zbGzVkOnuFwwtSS+j4b5+piUGf/z7Zv2biHYAZUr/uvAFsR7Gxv9Wba 58y8+TAS4we+XLNa46H1QiwJfxWYrUcJlK1JScy0vqITHONkSacBMF2+/bfv8CX+ u1gS5LEqlMzQwa3lY5NaRQwsatzGcIgogieCX7liGGJ/aTHxJfSqyVCZoEugcnDk BcmCUeqh+vrJ6qF6pe1Z7SZ3/NkRYA== =EbW+ -----END PGP SIGNATURE----- --3wbj0ASBS7bOhMDl--