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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 27446D3E76E for ; Wed, 10 Dec 2025 18:38:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xiX4YaZsu72v5286rzvVlyrVkIKfaRKOGwhHpvzjTVs=; b=kZnveCITM9/R0s9gWN3ikmdiBk v/SGygCrMB4rCsuWPdr1yU5wmOszpsmmuyqAM8o98mjJvaA0jfSv2ynS+mmmaAnTrJ+1kSNwl1mBj XwMQL+XXPoV2bLxzGoJMhGJbWS0Ju1i962O5e8sVferPWCzqN+8G6Nck+nsl+1tCOhNuSS3kC5HDQ c04Iru5UNaJDZFRbHqGYCx9eTlpMo/24Yjoz65sr4hU0/2YadLEccbcv76jxZzQAEeVJomGDaSY62 jGsMEf/dz7bOVeAaU+rjfb887uJP3iqyxr33AOvq+yD/SIhmamvnTt2Jy1w0W+i6c5W5qKkI/v0ks mMJxIsPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vTP5B-0000000FkcS-37sZ; Wed, 10 Dec 2025 18:38:37 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vTP55-0000000Fkc6-3eMZ for linux-arm-kernel@lists.infradead.org; Wed, 10 Dec 2025 18:38:36 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 999FD153B; Wed, 10 Dec 2025 10:38:22 -0800 (PST) Received: from localhost (e132581.arm.com [10.1.196.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 735EF3F762; Wed, 10 Dec 2025 10:38:29 -0800 (PST) Date: Wed, 10 Dec 2025 18:38:27 +0000 From: Leo Yan To: Alexandru Elisei Cc: maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, will@kernel.org, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, james.clark@linaro.org, mark.rutland@arm.com, james.morse@arm.com Subject: Re: [RFC PATCH v6 01/35] arm64/sysreg: Add new SPE fields Message-ID: <20251210183827.GA3920451@e132581.arm.com> References: <20251114160717.163230-1-alexandru.elisei@arm.com> <20251114160717.163230-2-alexandru.elisei@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251114160717.163230-2-alexandru.elisei@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251210_103831_968265_A4246042 X-CRM114-Status: UNSURE ( 6.80 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Nov 14, 2025 at 04:06:42PM +0000, Alexandru Elisei wrote: [...] > Sysreg PMBIDR_EL1 3 0 9 10 7 > -Res0 63:12 > +Res0 63:48 > +Field 47:32 MaxBuffSize > +Res0 31:12 > Enum 11:8 EA > 0b0000 NotDescribed > 0b0001 Ignored > 0b0010 SError > EndEnum > -Res0 7:6 > +Enum 7:6 AddrMode > + 0b00 VM_ONLY > + 0b01 BOTH > + 0b10 RESERVED > + 0b11 nVM_ONLY > +EndEnum Not sure how to select the enum names, but seems names above don't match well to the definitions. How about: Enum 7:6 AddrMode 0b00 VA_ONLY // Virtual address only 0b01 VA_PA // Virtual and physical address supported 0b10 RESERVED 0b11 VM_PA_ONLY // Physical address only in VM Thanks, Leo