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=-7.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 D7206C433E1 for ; Tue, 25 Aug 2020 04:21:10 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 AA65A2072D for ; Tue, 25 Aug 2020 04:21:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA65A2072D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 79D8020480; Tue, 25 Aug 2020 04:21:10 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AGB2OKVZogPi; Tue, 25 Aug 2020 04:21:08 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 828162046F; Tue, 25 Aug 2020 04:21:08 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 5CABEC016F; Tue, 25 Aug 2020 04:21:08 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 671DEC0051 for ; Tue, 25 Aug 2020 04:21:07 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 5203887C10 for ; Tue, 25 Aug 2020 04:21:07 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PGxuxfv75f9e for ; Tue, 25 Aug 2020 04:21:06 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by hemlock.osuosl.org (Postfix) with ESMTPS id 81987877DB for ; Tue, 25 Aug 2020 04:21:06 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 43412B78E; Tue, 25 Aug 2020 04:21:34 +0000 (UTC) Subject: Re: [patch RFC 24/38] x86/xen: Consolidate XEN-MSI init To: Thomas Gleixner , LKML References: <20200821002424.119492231@linutronix.de> <20200821002947.667887608@linutronix.de> <5caec213-8f56-9f12-34db-a29de8326f95@suse.com> <87tuwr68q8.fsf@nanos.tec.linutronix.de> From: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= Message-ID: Date: Tue, 25 Aug 2020 06:21:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <87tuwr68q8.fsf@nanos.tec.linutronix.de> Content-Language: en-US Cc: Dimitri Sivanich , linux-hyperv@vger.kernel.org, Steve Wahl , linux-pci@vger.kernel.org, "K. Y. Srinivasan" , Dan Williams , Wei Liu , Stephen Hemminger , Baolu Lu , Marc Zyngier , x86@kernel.org, Jason Gunthorpe , Megha Dey , xen-devel@lists.xenproject.org, Kevin Tian , Konrad Rzeszutek Wilk , Haiyang Zhang , Alex Williamson , Stefano Stabellini , Bjorn Helgaas , Dave Jiang , Boris Ostrovsky , Jon Derrick , Russ Anderson , Greg Kroah-Hartman , iommu@lists.linux-foundation.org, Jacob Pan , "Rafael J. Wysocki" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMjQuMDguMjAgMjM6MjEsIFRob21hcyBHbGVpeG5lciB3cm90ZToKPiBPbiBNb24sIEF1ZyAy NCAyMDIwIGF0IDA2OjU5LCBKw7xyZ2VuIEdyb8OfIHdyb3RlOgo+PiBPbiAyMS4wOC4yMCAwMjoy NCwgVGhvbWFzIEdsZWl4bmVyIHdyb3RlOgo+Pj4gK3N0YXRpYyBfX2luaXQgdm9pZCB4ZW5fc2V0 dXBfcGNpX21zaSh2b2lkKQo+Pj4gK3sKPj4+ICsJaWYgKHhlbl9pbml0aWFsX2RvbWFpbigpKSB7 Cj4+PiArCQl4ODZfbXNpLnNldHVwX21zaV9pcnFzID0geGVuX2luaXRkb21fc2V0dXBfbXNpX2ly cXM7Cj4+PiArCQl4ODZfbXNpLnRlYXJkb3duX21zaV9pcnFzID0geGVuX3RlYXJkb3duX21zaV9p cnFzOwo+Pj4gKwkJeDg2X21zaS5yZXN0b3JlX21zaV9pcnFzID0geGVuX2luaXRkb21fcmVzdG9y ZV9tc2lfaXJxczsKPj4+ICsJCXBjaV9tc2lfaWdub3JlX21hc2sgPSAxOwo+Pgo+PiBUaGlzIGlz IHdyb25nLCBhcyBhIFBWSCBpbml0aWFsIGRvbWFpbiBzaG91bGRuJ3QgZG8gdGhlIHB2IHNldHRp bmdzLgo+Pgo+PiBUaGUgImlmICh4ZW5faW5pdGlhbF9kb21haW4oKSkiIHNob3VsZCBiZSBpbnNp ZGUgdGhlIHB2IGNhc2UsIGxpa2U6Cj4+Cj4+IGlmICh4ZW5fcHZfZG9tYWluKCkpIHsKPj4gCWlm ICh4ZW5faW5pdGlhbF9kb21haW4oKSkgewo+PiAJCS4uLgo+PiAJfSBlbHNlIHsKPj4gCQkuLi4K Pj4gCX0KPj4gfSBlbHNlIGlmICh4ZW5faHZtX2RvbWFpbigpKSB7Cj4+IAkuLi4KPiAKPiBJIHN0 aWxsIHRoaW5rIGl0IGRvZXMgdGhlIHJpZ2h0IHRoaW5nIGRlcGVuZGluZyBvbiB0aGUgcGxhY2Ug aXQgaXMKPiBjYWxsZWQgZnJvbSwgYnV0IGV2ZW4gaWYgc28sIGl0J3MgY29tcGxldGVseSB1bnJl YWRhYmxlIGd1bmsuIEknbGwgZml4Cj4gdGhhdCBwcm9wZXIuCgpUaGUgbWFpbiBpc3N1ZSBpcyB0 aGF0IHhlbl9pbml0aWFsX2RvbWFpbigpIGFuZCB4ZW5fcHZfZG9tYWluKCkgYXJlCm9ydGhvZ29u YWwgdG8gZWFjaCBvdGhlci4gU28geGVuX2luaXRpYWxfZG9tYWluKCkgY2FuIGVpdGhlciBiZSB0 cnVlCmZvciB4ZW5fcHZfZG9tYWluKCkgKHRoZSAiY2xhc3NpYyIgcHYgZG9tMCkgb3IgZm9yIHhl bl9odm1fZG9tYWluKCkKKHRoZSBuZXcgUFZIIGRvbTApLgoKCkp1ZXJnZW4KX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0Cmlv bW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0 aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11