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 50E71E92702 for ; Thu, 5 Oct 2023 14:34:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D24D76B02A8; Thu, 5 Oct 2023 10:34:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CD3C56B02A9; Thu, 5 Oct 2023 10:34:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BC2966B02AA; Thu, 5 Oct 2023 10:34:42 -0400 (EDT) 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 AC8296B02A8 for ; Thu, 5 Oct 2023 10:34:42 -0400 (EDT) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 7BB1640279 for ; Thu, 5 Oct 2023 14:34:42 +0000 (UTC) X-FDA: 81311654004.22.F39D51D Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf06.hostedemail.com (Postfix) with ESMTP id 7FF34180018 for ; Thu, 5 Oct 2023 14:34:40 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=CSocTLgA; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of broonie@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=broonie@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1696516480; 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=sQ2srEi0b2XH8T1sYR7jgmvL2WfJodHJQZXAgnuxNlM=; b=ynaMt3B5qgzYw7GJBj21MFLiFXfMMr4eMCYE3wVPIv/SnM8JFi5Yxvv0cfU/PUkliejMBk H28A4R994ee0idz69iRnO/RdAJcXHwlc3AgL6vpYv3fOQHOepfwjHSv1RqW5VEZdmqBAK1 z0C8e5/LpPLq7UbkRtn4APokbkyg3lk= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=CSocTLgA; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of broonie@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=broonie@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1696516480; a=rsa-sha256; cv=none; b=hDs5c3VyZ7KZvePUWLYJd9FPO75MT//BOiguCaSjgKtv6T9x6W9FfquLSLl5fZdCSjzGDs 7JabK+TaeJUGYPwpHLgFkGBB+hrNMckWpY+4KWnlPeNnNHr/wFp8mN81c/vTVzAvcerOsi +45XHnUcvHkVF1/mhWmX9IsaC2dWmyw= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by ams.source.kernel.org (Postfix) with ESMTP id E9C38B8250E; Thu, 5 Oct 2023 14:34:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 277F7C433CD; Thu, 5 Oct 2023 14:34:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696516478; bh=sQ2srEi0b2XH8T1sYR7jgmvL2WfJodHJQZXAgnuxNlM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CSocTLgAY5/6Phamzxi50ZG69HrdvxXYLUCOkXzzv969cuIpUoa488qW98qkEqIt1 8K0bnrqi7NWlNFF09BJz4bzpPpbEd6gGABgST0YTq5DADx8YpMtwES3oL0t+Js1DT1 MCVPm5L/3lfwRZYMKkbQuYdPLEnrqhM8wgEcSLzwJdOAL28yYk2oGRKOfT5GWB4Lyo DtS+dtpH2RUSipWw7t+DI8/cENPOJcioVn0eMjn3if7NQPblwbCb3ZGOatzJj5WjQN xF1A6vpkwi8SE2EbllhcwDIwE77aPnugShuoOWh09sF7TNhDpc3HsphMpUaZKa0G+/ WKMetUX+Sq0Rw== Date: Thu, 5 Oct 2023 15:34:29 +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 15/20] arm64: add POE signal support Message-ID: References: <20230927140123.5283-1-joey.gouly@arm.com> <20230927140123.5283-16-joey.gouly@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="WLRKWcscLabNT1/4" Content-Disposition: inline In-Reply-To: <20230927140123.5283-16-joey.gouly@arm.com> X-Cookie: Avoid contact with eyes. X-Rspamd-Queue-Id: 7FF34180018 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: isb5byd7cfz6jbejz5ghorf5qtdu3qot X-HE-Tag: 1696516480-528233 X-HE-Meta: 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 1sOrFAqH A/zhRJqU3pWj74SjAOuHa31jftYNi5prmtz8us/qn6WrJc1K+vGTc0g1vl9c0ApxbLpmiS1DkbxD1KY91y5TtF9bYQOo8PBGo8pXrwCTy+GA/jBZASY2QvM9WjmWiJZX0Y8KIaI3+hsuVTJuDoO8tnYEKaLkAA6kGuLfti0Nk81ok9Dr9gQ+Nb7X82hmf73qx1VbS6/Ttn3MhEV4lIy/pTznuqAnjFKOEhjZRNnhWgJY9rb5Z7aEt9BDrtxIxEdnAd68V 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: --WLRKWcscLabNT1/4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Sep 27, 2023 at 03:01:18PM +0100, Joey Gouly wrote: > Add PKEY support to signals, by saving and restoring POR_EL0 from the stackframe. It'd be nice to have at least a basic test that validates that we generate a POE signal frame when expected, though that should be a very minor thing which is unlikely to ever actually spot anything. I'd also expect to see matching support added to ptrace. --WLRKWcscLabNT1/4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmUeyXUACgkQJNaLcl1U h9CUZQf8CN1ssSeTf7ufoOpnpdNpmJE+IVKzV0EWSfKUEpdlxUMVi4w10Q0mNZ9V dG+lgaoo635yb2x02jONm0bcFCd7863DRJW4HQDoyAVCD88mKwT0jq4ym/o5soqM OpGH3vfAWG588p9vFah3crvcyvfeiM7AruYNMbls4pD8Zv1wDdDhLy7XwW4D4STu IGMwXbyfNRsgOxPXwdWk8NX9wHmxB/nK39z6oKVc6pf3Cx3u1HqFPfFd0iGUj8Mf rRyRDFmTA1/Q5MsbqqejgvE3SUwz1nCkfa7DuvNlSMMRB/+EZ/yQfHvmu5DrfIfs uKVBL31MMTcpyFgBVMLFIR/z1VXCgA== =mhPy -----END PGP SIGNATURE----- --WLRKWcscLabNT1/4--