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 6B418C2BB85 for ; Fri, 21 Jun 2024 17:03:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id EC5978D0187; Fri, 21 Jun 2024 13:03:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E75C78D0183; Fri, 21 Jun 2024 13:03:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D64568D0187; Fri, 21 Jun 2024 13:03:37 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id BA5FF8D0183 for ; Fri, 21 Jun 2024 13:03:37 -0400 (EDT) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 5B339121081 for ; 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imf11.hostedemail.com; dkim=none; spf=pass (imf11.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1718989409; a=rsa-sha256; cv=none; b=zCKrSAqongrhlZXONKjqELSREFqI5kNyo6MIbYAttL3MZJCt5DLpfcAIrM0Y6BC39VqeOb OET6QOYbLBn2qb5/DDrdIrrV4wd4U1U94T9XX4/gbna9FHIBFuc2Pb/ttetvQbqpicOKlh MIIJnhBy+8NaMjlISIsrgh3YUvTxxmU= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 1F5D9CE2F0A; Fri, 21 Jun 2024 17:03:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D240BC3277B; Fri, 21 Jun 2024 17:03:26 +0000 (UTC) Date: Fri, 21 Jun 2024 18:03:24 +0100 From: Catalin Marinas To: Joey Gouly Cc: linux-arm-kernel@lists.infradead.org, akpm@linux-foundation.org, aneesh.kumar@kernel.org, aneesh.kumar@linux.ibm.com, bp@alien8.de, broonie@kernel.org, christophe.leroy@csgroup.eu, dave.hansen@linux.intel.com, hpa@zytor.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, maz@kernel.org, mingo@redhat.com, mpe@ellerman.id.au, naveen.n.rao@linux.ibm.com, npiggin@gmail.com, oliver.upton@linux.dev, shuah@kernel.org, szabolcs.nagy@arm.com, tglx@linutronix.de, will@kernel.org, x86@kernel.org, kvmarm@lists.linux.dev Subject: Re: [PATCH v4 06/29] arm64: context switch POR_EL0 register Message-ID: References: <20240503130147.1154804-1-joey.gouly@arm.com> <20240503130147.1154804-7-joey.gouly@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240503130147.1154804-7-joey.gouly@arm.com> X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 5ABE040011 X-Stat-Signature: 37qqew1mxm7g4tot69iczoah7qtt1t45 X-Rspam-User: X-HE-Tag: 1718989414-780338 X-HE-Meta: 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 TFhG8IzD 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 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: On Fri, May 03, 2024 at 02:01:24PM +0100, Joey Gouly wrote: > POR_EL0 is a register that can be modified by userspace directly, > so it must be context switched. > > Signed-off-by: Joey Gouly > Cc: Catalin Marinas > Cc: Will Deacon Reviewed-by: Catalin Marinas