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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 584BDC04AAC for ; Mon, 20 May 2019 11:19:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2EBB920815 for ; Mon, 20 May 2019 11:19:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732643AbfETLTo (ORCPT ); Mon, 20 May 2019 07:19:44 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:41241 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732627AbfETLTo (ORCPT ); Mon, 20 May 2019 07:19:44 -0400 Received: by mail-wr1-f66.google.com with SMTP id g12so13857255wro.8 for ; Mon, 20 May 2019 04:19:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Dv4xQ5o29BgVYSDlJ1uUjFnM/clLTrGgwxfVO3It7Oo=; b=Bd4dsDlPTd24g8zdhqc9NRRP7ENx1wkKwQUAMi3hc5anZd4zkJasvWNt9oB5t7w52J mqdJ9uk6oHn0IoFYyTkT3OWaq1pTXgfxl66uImRPwC4mk+mUUPEn/jrsV9/E6ck9Vi4D jIfvbIv5cBRB5AZhUoSkpEC539179WUO+zBIbhVAgLT+CG1CsxU+7xCKkNat0jAJHnYc HhZULfeQSMYsHKwzBdU/yHvNiNvK2sLN4uR3F8b+swL/joH7XitM5ZcIRoj4yGQ32DYc eejjcrPP8w8rmMDDFDjsZfyhk6qvne1LQ+i2KqQZe9bGxumLRg3s5WMS6hkn+whrwU6z 0u+A== X-Gm-Message-State: APjAAAXQv/w2Rl1BGQbVKiqzu4117Gg3BAIBWrG8N6IAIoqEc0EoXKSO Oymrzj5dBxDo6FVUZhX/3sJq0w== X-Google-Smtp-Source: APXvYqywQm13oky/RrY0xgHmzm/UUdeA3s/nxbMShVeJInIgkMS5/aQ9uuNWbjiaTAAgsw4wi2C6MA== X-Received: by 2002:adf:e2c7:: with SMTP id d7mr9125915wrj.272.1558351182718; Mon, 20 May 2019 04:19:42 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:ac04:eef9:b257:b844? ([2001:b07:6468:f312:ac04:eef9:b257:b844]) by smtp.gmail.com with ESMTPSA id a128sm15609394wma.23.2019.05.20.04.19.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 May 2019 04:19:41 -0700 (PDT) Subject: Re: [RFC PATCH 4/4] KVM: selftests: Add the sync_regs test for s390x To: Thomas Huth , Christian Borntraeger , Janosch Frank , kvm@vger.kernel.org Cc: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Shuah Khan , David Hildenbrand , Cornelia Huck , Andrew Jones , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-s390@vger.kernel.org References: <20190516111253.4494-1-thuth@redhat.com> <20190516111253.4494-5-thuth@redhat.com> From: Paolo Bonzini Message-ID: <3e462f1d-c9c0-ac26-ed59-182fbbf60340@redhat.com> Date: Mon, 20 May 2019 13:19:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190516111253.4494-5-thuth@redhat.com> Content-Type: text/plain; charset=utf-8 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 16/05/19 13:12, Thomas Huth wrote: > +#define VCPU_ID 5 > + > +static void guest_code(void) > +{ > + for (;;) { > + asm volatile ("diag 0,0,0x501"); > + asm volatile ("ahi 11,1"); > + } I'd like this to use something like register u32 stage = 0 asm("11"); ... stage++ instead (yes, it should be fixed in x86 too). Paolo