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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00F34C2BA19 for ; Wed, 15 Apr 2020 10:04:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD5C52064A for ; Wed, 15 Apr 2020 10:04:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2896120AbgDOKEb (ORCPT ); Wed, 15 Apr 2020 06:04:31 -0400 Received: from foss.arm.com ([217.140.110.172]:41230 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2895955AbgDOKEZ (ORCPT ); Wed, 15 Apr 2020 06:04:25 -0400 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 416D71063; Wed, 15 Apr 2020 03:04:25 -0700 (PDT) Received: from [10.37.12.1] (unknown [10.37.12.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D6CDD3F68F; Wed, 15 Apr 2020 03:04:22 -0700 (PDT) Subject: Re: [PATCH 2/8] arm64: cpufeature: Spell out register fields for ID_ISAR4 and ID_PFR1 To: will@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu Cc: linux-kernel@vger.kernel.org, mark.rutland@arm.com, maz@kernel.org, anshuman.khandual@arm.com, catalin.marinas@arm.com, saiprakash.ranjan@codeaurora.org, dianders@chromium.org, kernel-team@android.com References: <20200414213114.2378-1-will@kernel.org> <20200414213114.2378-3-will@kernel.org> From: Suzuki K Poulose Message-ID: <632b7ace-a7db-a961-b9eb-c9c303376fcd@arm.com> Date: Wed, 15 Apr 2020 11:09:12 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20200414213114.2378-3-will@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/14/2020 10:31 PM, Will Deacon wrote: > In preparation for runtime updates to the strictness of some AArch32 > features, spell out the register fields for ID_ISAR4 and ID_PFR1 to make > things clearer to read. Note that this isn't functionally necessary, as > the feature arrays themselves are not modified dynamically and remain > 'const'. > > Signed-off-by: Will Deacon > --- > arch/arm64/include/asm/sysreg.h | 17 +++++++++++++++++ > arch/arm64/kernel/cpufeature.c | 28 ++++++++++++++++++++++++++-- > 2 files changed, 43 insertions(+), 2 deletions(-) Reviewed-by: Suzuki K Poulose 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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E25C5C2BA19 for ; Wed, 15 Apr 2020 10:04:30 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 7954E2064A for ; Wed, 15 Apr 2020 10:04:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7954E2064A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id C06A14B250; Wed, 15 Apr 2020 06:04:29 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 09VFomPKVQ8J; Wed, 15 Apr 2020 06:04:28 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id B99B74B235; Wed, 15 Apr 2020 06:04:28 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id C2F394B235 for ; Wed, 15 Apr 2020 06:04:26 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4uB+Tq2zJAUS for ; Wed, 15 Apr 2020 06:04:25 -0400 (EDT) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 976734B1DC for ; Wed, 15 Apr 2020 06:04:25 -0400 (EDT) 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 416D71063; Wed, 15 Apr 2020 03:04:25 -0700 (PDT) Received: from [10.37.12.1] (unknown [10.37.12.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D6CDD3F68F; Wed, 15 Apr 2020 03:04:22 -0700 (PDT) Subject: Re: [PATCH 2/8] arm64: cpufeature: Spell out register fields for ID_ISAR4 and ID_PFR1 To: will@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu References: <20200414213114.2378-1-will@kernel.org> <20200414213114.2378-3-will@kernel.org> From: Suzuki K Poulose Message-ID: <632b7ace-a7db-a961-b9eb-c9c303376fcd@arm.com> Date: Wed, 15 Apr 2020 11:09:12 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20200414213114.2378-3-will@kernel.org> Content-Language: en-US Cc: saiprakash.ranjan@codeaurora.org, anshuman.khandual@arm.com, maz@kernel.org, linux-kernel@vger.kernel.org, dianders@chromium.org, catalin.marinas@arm.com, kernel-team@android.com X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On 04/14/2020 10:31 PM, Will Deacon wrote: > In preparation for runtime updates to the strictness of some AArch32 > features, spell out the register fields for ID_ISAR4 and ID_PFR1 to make > things clearer to read. Note that this isn't functionally necessary, as > the feature arrays themselves are not modified dynamically and remain > 'const'. > > Signed-off-by: Will Deacon > --- > arch/arm64/include/asm/sysreg.h | 17 +++++++++++++++++ > arch/arm64/kernel/cpufeature.c | 28 ++++++++++++++++++++++++++-- > 2 files changed, 43 insertions(+), 2 deletions(-) Reviewed-by: Suzuki K Poulose _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13DDAC3815B for ; Wed, 15 Apr 2020 10:04:32 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DAE692064A for ; Wed, 15 Apr 2020 10:04:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="jK3llD6Z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DAE692064A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ecv56Px8BOVeAzZrjowBNqyJDDAFOFUTqgG/xo5wX+E=; b=jK3llD6ZxL2ng2/7pzKzsi6xI ueA4lPOljnIwQgQ98oyjS/v5m5Y56XFM7ny9Bi2K0x4ZxWweTOyQoCTEaMqqYKszz6tYQ+Gs1GKwy EYZ2gnzh01Y+GCOMZv3IamzYJY7LDZmuJEF8HQF7fjSoyJPQnjMD6pwdcDijRQkb+AC53/mshRHXa OggsWmEqQujyc2XLiwIk7k5VnDpJrjiTShZVQZ1ZuuGdNxYp5bsm2msP5XLR2N33EtUzgNki3MeJu oxJ8W00wlDJsFLEzDNAod0v/o1YfwT+QElkoRwt/v7g67FUqH++HP5u1/uLlLAbA2hosguwATnRyg J6dhHx17Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOeuD-0002cf-Eg; Wed, 15 Apr 2020 10:04:29 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOeuA-0002c6-D8 for linux-arm-kernel@lists.infradead.org; Wed, 15 Apr 2020 10:04:27 +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 416D71063; Wed, 15 Apr 2020 03:04:25 -0700 (PDT) Received: from [10.37.12.1] (unknown [10.37.12.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D6CDD3F68F; Wed, 15 Apr 2020 03:04:22 -0700 (PDT) Subject: Re: [PATCH 2/8] arm64: cpufeature: Spell out register fields for ID_ISAR4 and ID_PFR1 To: will@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu References: <20200414213114.2378-1-will@kernel.org> <20200414213114.2378-3-will@kernel.org> From: Suzuki K Poulose Message-ID: <632b7ace-a7db-a961-b9eb-c9c303376fcd@arm.com> Date: Wed, 15 Apr 2020 11:09:12 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20200414213114.2378-3-will@kernel.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200415_030426_487434_372A6A88 X-CRM114-Status: GOOD ( 13.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, saiprakash.ranjan@codeaurora.org, anshuman.khandual@arm.com, maz@kernel.org, linux-kernel@vger.kernel.org, dianders@chromium.org, catalin.marinas@arm.com, kernel-team@android.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 04/14/2020 10:31 PM, Will Deacon wrote: > In preparation for runtime updates to the strictness of some AArch32 > features, spell out the register fields for ID_ISAR4 and ID_PFR1 to make > things clearer to read. Note that this isn't functionally necessary, as > the feature arrays themselves are not modified dynamically and remain > 'const'. > > Signed-off-by: Will Deacon > --- > arch/arm64/include/asm/sysreg.h | 17 +++++++++++++++++ > arch/arm64/kernel/cpufeature.c | 28 ++++++++++++++++++++++++++-- > 2 files changed, 43 insertions(+), 2 deletions(-) Reviewed-by: Suzuki K Poulose _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel