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,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 5B5B2C43603 for ; Mon, 16 Dec 2019 20:41:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2A6FD2166E for ; Mon, 16 Dec 2019 20:41:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726701AbfLPUlh (ORCPT ); Mon, 16 Dec 2019 15:41:37 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:53519 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726401AbfLPUlg (ORCPT ); Mon, 16 Dec 2019 15:41:36 -0500 Received: by mail-wm1-f66.google.com with SMTP id m24so728585wmc.3 for ; Mon, 16 Dec 2019 12:41:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=4LEUOClJGFBZXXimsbAlWTuczz0gXm2nGBL4FN9Bv/4=; b=L+FevWT7WJ/o5Va3JiGWwhkTUUtMCwUjWFMF527ebC8iKrpOgfN/FSH+sjvv0masMS X2gWiJpZqXDJmEbwC+9s1I+V1Akdp5T0nrcLIDRDuC+8K6k9BEBWDB718t3l2aT6K8Mx wGzMjcvUMiRUW3GtCYlMIiMz6DJZMizVTOEAbqt/AjaF2Y0+ZXL9yOkpfRFoJgnHYQ3R sB8p5d2mGCiZyLUSV6R+WBU8ykK3ywGXJ+ZYy9Htdf4NQiqZWuwe6WYnSENQvnggPiq7 qaxRxolzVc8IguL/kl97C3/HSD3AQ2tko0mArXlmKL8ZN157R2dM4uwWxP9Y12qoasGT 9aHg== X-Gm-Message-State: APjAAAWlcXW+nfBWlPjxwApyNzGLgEwMEGguFzv3T7GkIStyrdTnDRqk hwuttjVt1LyYC1A1/hfmiPc= X-Google-Smtp-Source: APXvYqxbj7wa/3nG3xbSmpvEUqc+RDkNVQ++hJser00UJyvc40nYH9YoURVBkO0nn1m04737kSMJDA== X-Received: by 2002:a7b:c386:: with SMTP id s6mr924437wmj.105.1576528894763; Mon, 16 Dec 2019 12:41:34 -0800 (PST) Received: from a483e7b01a66.ant.amazon.com (cpc91200-cmbg18-2-0-cust94.5-4.cable.virginm.net. [81.100.41.95]) by smtp.gmail.com with ESMTPSA id f1sm23611224wrp.93.2019.12.16.12.41.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Dec 2019 12:41:34 -0800 (PST) Subject: Re: [PATCH v4 2/6] arm/arm64/xen: use C inlines for privcmd_call To: Pavel Tatashin , jmorris@namei.org, sashal@kernel.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org, steve.capper@arm.com, linux-arm-kernel@lists.infradead.org, maz@kernel.org, james.morse@arm.com, vladimir.murzin@arm.com, mark.rutland@arm.com, tglx@linutronix.de, gregkh@linuxfoundation.org, allison@lohutok.net, info@metux.net, alexios.zavras@intel.com, sstabellini@kernel.org, boris.ostrovsky@oracle.com, jgross@suse.com, stefan@agner.ch, yamada.masahiro@socionext.com, xen-devel@lists.xenproject.org, linux@armlinux.org.uk, andrew.cooper3@citrix.com References: <20191204232058.2500117-1-pasha.tatashin@soleen.com> <20191204232058.2500117-3-pasha.tatashin@soleen.com> From: Julien Grall Message-ID: Date: Mon, 16 Dec 2019 20:41:32 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <20191204232058.2500117-3-pasha.tatashin@soleen.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On 04/12/2019 23:20, Pavel Tatashin wrote: > privcmd_call requires to enable access to userspace for the > duration of the hypercall. > > Currently, this is done via assembly macros. Change it to C > inlines instead. > > Signed-off-by: Pavel Tatashin > Acked-by: Stefano Stabellini Reviewed-by: Julien Grall Cheers, -- Julien Grall