From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 91A8513D521; Fri, 21 Jun 2024 17:03:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718989413; cv=none; b=HV9hFVIrjMSUp//n3EXRLroI7CJGrG9Y0LyUS+4d2cPVG7FFg3+OgnGzSPvNLTcaHoVMgscjUOQkDpTMzVJswCHrsmClfF0TOpip3M3rg91mNp5emOuB4M4y+ScOqqM3EfOL1dHkOIB3WyMaIUD7yeGdmwlDtr/873X2/U5WIio= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718989413; c=relaxed/simple; bh=D+Raz8KAfT2bCqaRz2uy0roK97yIdIygpPSbXYx7Drg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pdheAu2egBOFoD7h5zKwUDs/CQrevV0ooHQhBmjx1jg4wN5AuV8PlQFxvZMi2O2HYMUCk1As6VkSSwvszeUrznKyq9T/Yt/JOMWS3iv9II5t/Dq3bFgk9ur6wIxMqmTrlBq5T3VanBOss/3xMDCUV2K2JKidUek2/1kb48jO4+I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 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> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240503130147.1154804-7-joey.gouly@arm.com> 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