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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,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 76B78C2BB55 for ; Thu, 16 Apr 2020 11:59:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51D99206E9 for ; Thu, 16 Apr 2020 11:59:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587038380; bh=C02HcDV/4ymZNiH43m0bSPRVlDyWt+JoeqGraHiMLd0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=zoeD873YE4HF11doW8N45PxCiUw+KC7Gw+0hGFtL7S5heTpNHHUb1WxfjMSP1xHkZ qgUGh3UTH1nEv/CGxVztivayc5j7yu4FCsfilm8AdUwsB+UgN8pc0pxxhbYbIDv6b4 cpobVpHuZbjYa3Sa1wYlIFXxM5ug4x1OvHDQ3pHI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2634786AbgDPL7e (ORCPT ); Thu, 16 Apr 2020 07:59:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:57642 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2634634AbgDPL6a (ORCPT ); Thu, 16 Apr 2020 07:58:30 -0400 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 84BA521D7F; Thu, 16 Apr 2020 11:58:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587038307; bh=C02HcDV/4ymZNiH43m0bSPRVlDyWt+JoeqGraHiMLd0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=URf8tVUpg0dmW48kXtETXHP24CfevH1ltJdpvaAbByZa5tCvk27qPG9Kfjtvb4RAs tlGYb9cWL6gOnGvPrPDx0n8WM9ShN8U2ZjoQEDehefBb+vVe2Mnw3CPY3McZnvoZ9w Bg39tBl0Nx4JN2v/pxk4wIRYnLg1kI+62/88Of/0= Date: Thu, 16 Apr 2020 12:58:22 +0100 From: Will Deacon To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu Cc: linux-kernel@vger.kernel.org, Suzuki K Poulose , Mark Rutland , Marc Zyngier , Anshuman Khandual , Catalin Marinas , Sai Prakash Ranjan , Doug Anderson , kernel-team@android.com Subject: Re: [PATCH 8/8] arm64: cpufeature: Add an overview comment for the cpufeature framework Message-ID: <20200416115817.GB32443@willie-the-truck> References: <20200414213114.2378-1-will@kernel.org> <20200414213114.2378-9-will@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200414213114.2378-9-will@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Suzuki, On Tue, Apr 14, 2020 at 10:31:14PM +0100, Will Deacon wrote: > Now that Suzuki isn't within throwing distance, I thought I'd better add > a rough overview comment to cpufeature.c so that it doesn't take me days > to remember how it works next time. > > Signed-off-by: Will Deacon > --- > arch/arm64/kernel/cpufeature.c | 43 ++++++++++++++++++++++++++++++++++ > 1 file changed, 43 insertions(+) Any chance you can look at this one, please? I don't trust myself to get all of the details right here! I'm also wondering whether we should mention something about KVM and the guest view of the registers. What do you think? Will