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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 80EEAC00307 for ; Mon, 9 Sep 2019 08:19:59 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 605D620678 for ; Mon, 9 Sep 2019 08:19:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 605D620678 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i7Etj-00028D-Qt; Mon, 09 Sep 2019 08:19:43 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i7Eti-000287-6U for xen-devel@lists.xenproject.org; Mon, 09 Sep 2019 08:19:42 +0000 X-Inumbo-ID: 92389a0c-d2da-11e9-b299-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 92389a0c-d2da-11e9-b299-bc764e2007e4; Mon, 09 Sep 2019 08:19:41 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 6AACDAC37; Mon, 9 Sep 2019 08:19:40 +0000 (UTC) To: Juergen Gross References: <20190909073557.16168-1-jgross@suse.com> <20190909073557.16168-6-jgross@suse.com> From: Jan Beulich Message-ID: <7a0b2a0c-28af-cd70-e193-309228dc58da@suse.com> Date: Mon, 9 Sep 2019 10:19:50 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20190909073557.16168-6-jgross@suse.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH v6 5/5] xen: add debugtrace entry when entry count is wrapping X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall , xen-devel@lists.xenproject.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDkuMDkuMjAxOSAwOTozNSwgSnVlcmdlbiBHcm9zcyB3cm90ZToKPiBAQCAtMTczLDEwICsx NzcsMjMgQEAgdm9pZCBkZWJ1Z3RyYWNlX3ByaW50ayhjb25zdCBjaGFyICpmbXQsIC4uLikKPiAg ICAgIG5yID0gdnNucHJpbnRmKGJ1Ziwgc2l6ZW9mKGJ1ZiksIGZtdCwgYXJncyk7Cj4gICAgICB2 YV9lbmQoYXJncyk7Cj4gIAo+ICsgICAgaWYgKCBjb3VudCA9PSBERUJVR1RSQUNFX0NPVU5UX1dS QVAgKQo+ICsgICAgewo+ICsgICAgICAgIGNvdW50ID0gMDsKPiArICAgICAgICB3cmFwX2NudCsr Owo+ICsgICAgfQo+ICsKPiAgICAgIGlmICggZGVidWd0cmFjZV9zZW5kX3RvX2NvbnNvbGUgKQo+ ICAgICAgewo+IC0gICAgICAgIHVuc2lnbmVkIGludCBuID0gc2NucHJpbnRmKGNudGJ1Ziwgc2l6 ZW9mKGNudGJ1ZiksICIldSAiLCArK2NvdW50KTsKPiArICAgICAgICB1bnNpZ25lZCBpbnQgbjsK PiArCj4gKyAgICAgICAgaWYgKCBjb3VudCA9PSAwICkKPiArICAgICAgICB7Cj4gKyAgICAgICAg ICAgIG4gPSBzY25wcmludGYoY250YnVmLCBzaXplb2YoY250YnVmKSwgIndyYXA6ICVsdVxuIiwg d3JhcF9jbnQpOwo+ICsgICAgICAgICAgICBjb25zb2xlX3NlcmlhbF9wdXRzKGNudGJ1Ziwgbik7 Cj4gKyAgICAgICAgfQo+ICAKPiArICAgICAgICBuID0gc2NucHJpbnRmKGNudGJ1Ziwgc2l6ZW9m KGNudGJ1ZiksICIldSAiLCArK2NvdW50KTsKPiAgICAgICAgICBjb25zb2xlX3NlcmlhbF9wdXRz KGNudGJ1Ziwgbik7Cj4gICAgICAgICAgY29uc29sZV9zZXJpYWxfcHV0cyhidWYsIG5yKTsKPiAg ICAgIH0KCkp1c3Qgb25lIG1pbm9yIHJlbWFyazogSW4gdGhpcyBjYXNlIHlvdSBpc3N1ZSBhICJ3 cmFwIiBtZXNzYWdlIGF0CnN0YXJ0IG9mIGRheSwgLi4uCgo+IEBAIC0xODQsOCArMjAxLDE2IEBA IHZvaWQgZGVidWd0cmFjZV9wcmludGsoY29uc3QgY2hhciAqZm10LCAuLi4pCj4gICAgICB7Cj4g ICAgICAgICAgdW5zaWduZWQgaW50IGNwdSA9IGRlYnVndHJhY2VfcGVyX2NwdSA/IHNtcF9wcm9j ZXNzb3JfaWQoKSA6IDA7Cj4gIAo+IC0gICAgICAgIGlmICggZGVidWd0cmFjZV9idWZfZW1wdHkg fHwgc3RyY21wKGJ1ZiwgbGFzdF9idWYpICkKPiArICAgICAgICBpZiAoIGRlYnVndHJhY2VfYnVm X2VtcHR5IHx8IHdyYXBfY250ICE9IGRhdGEtPndyYXBfY250IHx8Cj4gKyAgICAgICAgICAgICBz dHJjbXAoYnVmLCBsYXN0X2J1ZikgKQo+ICAgICAgICAgIHsKPiArICAgICAgICAgICAgaWYgKCB3 cmFwX2NudCAhPSBkYXRhLT53cmFwX2NudCApCj4gKyAgICAgICAgICAgIHsKPiArICAgICAgICAg ICAgICAgIHNucHJpbnRmKGNudGJ1Ziwgc2l6ZW9mKGNudGJ1ZiksICJ3cmFwOiAlbHUtPiVsdVxu IiwKPiArICAgICAgICAgICAgICAgICAgICAgICAgIGRhdGEtPndyYXBfY250LCB3cmFwX2NudCk7 Cj4gKyAgICAgICAgICAgICAgICBkZWJ1Z3RyYWNlX2FkZF90b19idWYoY250YnVmKTsKPiArICAg ICAgICAgICAgICAgIGRhdGEtPndyYXBfY250ID0gd3JhcF9jbnQ7Cj4gKyAgICAgICAgICAgIH0K PiAgICAgICAgICAgICAgZGVidWd0cmFjZV9idWZfZW1wdHkgPSBmYWxzZTsKPiAgICAgICAgICAg ICAgbGFzdF9wcmQgPSBkYXRhLT5wcmQ7Cj4gICAgICAgICAgICAgIGxhc3RfY291bnQgPSArK2Nv dW50OwoKLi4uIHdoZXJlYXMgaGVyZSBvbmUgZ2V0cyBpc3N1ZWQgKGFzIEknZCBleHBlY3QgaXQp IG9ubHkgYWZ0ZXIgdGhlCmZpcnN0IHdyYXBwaW5nIG9mICJjb3VudCIuCgpKYW4KCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5n IGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJv amVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=