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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 A14A9C433FF for ; Mon, 29 Jul 2019 13:55:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7854C20578 for ; Mon, 29 Jul 2019 13:55:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727885AbfG2Nz4 (ORCPT ); Mon, 29 Jul 2019 09:55:56 -0400 Received: from ms.lwn.net ([45.79.88.28]:40434 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726281AbfG2Nz4 (ORCPT ); Mon, 29 Jul 2019 09:55:56 -0400 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 1911355A; Mon, 29 Jul 2019 13:55:55 +0000 (UTC) Date: Mon, 29 Jul 2019 07:55:54 -0600 From: Jonathan Corbet To: Paolo Bonzini Cc: Christoph Hellwig , rkrcmar@redhat.com, jdike@addtoit.com, richard@nod.at, anton.ivanov@cambridgegreys.com, linux-doc@vger.kernel.org, kvm@vger.kernel.org, linux-um@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Documentation: move Documentation/virtual to Documentation/virt Message-ID: <20190729075554.46dfaaeb@lwn.net> In-Reply-To: References: <20190724072449.19599-1-hch@lst.de> <20190724120005.31a990af@lwn.net> Organization: LWN.net MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 27 Jul 2019 00:10:32 +0200 Paolo Bonzini wrote: > Does the userspace API > cover only syscall or perhaps sysfs interfaces? There are more API > files (amd-memory-encryption.txt, cpuid.txt, halt-polling.txt msr.txt, > ppc-pv.txt, s390-diag.txt) but, with the exception of > amd-memory-encryption.txt and halt-polling.txt, they cover the > emulated-hardware interfaces that KVM provides to virtual machines. The user-space API certainly goes beyond system calls. For sysfs, I guess, the question would be whether a given knob is something that an application would use (userspace-api) or something that a sysadmin would want to tweak (admin-guide). Thanks, jon