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=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B1C7DC433E3 for ; Mon, 6 Jul 2020 23:18:53 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 760752073E for ; Mon, 6 Jul 2020 23:18:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="bTaYqMbL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 760752073E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 5F542894BE; Mon, 6 Jul 2020 23:18:53 +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 7WLYE7XkBcHB; Mon, 6 Jul 2020 23:18:52 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id BD328894B2; Mon, 6 Jul 2020 23:18:52 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id A3824C0893; Mon, 6 Jul 2020 23:18:52 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 76343C016F for ; Mon, 6 Jul 2020 23:18:51 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 64892894BE for ; Mon, 6 Jul 2020 23:18:51 +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 OgJd2-fGKQuY for ; Mon, 6 Jul 2020 23:18:50 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by hemlock.osuosl.org (Postfix) with ESMTPS id 91B2A894B2 for ; Mon, 6 Jul 2020 23:18:50 +0000 (UTC) Received: from localhost (mobile-166-175-191-139.mycingular.net [166.175.191.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EDBE2205CB; Mon, 6 Jul 2020 23:18:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594077530; bh=yaC/st+ngw5Sh4IXqu2ErvTyb0SMPwfqL4dOJPo6D3A=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=bTaYqMbL88uMK3kvbCJf8qkcSU110j4Hlc2k73yEmfzzHiYvXa2NP6Y8ZNfRQpwnL 6drEEsZORiBloqcgUry8kQyZyf+NHp/oae19Zl6eTDHDBmy9NhZPRPypZBMK6qUGx6 x6sqtPhq85bUfdqMeYAhV6p248TsOWw60IZQN4fo= Date: Mon, 6 Jul 2020 18:18:44 -0500 From: Bjorn Helgaas To: Rajat Jain Subject: Re: [PATCH v2 1/7] PCI: Keep the ACS capability offset in device Message-ID: <20200706231844.GA168946@bjorn-Precision-5520> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: Todd Broch , linux-pci , "Krishnakumar, Lalithambika" , Heikki Krogerus , Diego Rivas , Jean-Philippe Brucker , Furquan Shaikh , Raj Ashok , Saravana Kannan , ACPI Devel Maling List , Christian Kellner , Mattias Nissler , Jesse Barnes , Len Brown , Rajat Jain , Prashant Malani , Suzuki K Poulose , Aaron Durbin , Alex Williamson , Bjorn Helgaas , Mika Westerberg , Bernie Keany , Duncan Laurie , Greg Kroah-Hartman , "Rafael J. Wysocki" , Linux Kernel Mailing List , "open list:AMD IOMMU \(AMD-VI\)" , Arnd Bergmann , Oliver O'Halloran , Benson Leung , David Woodhouse , Alex Levin 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gTW9uLCBKdWwgMDYsIDIwMjAgYXQgMDM6MTY6NDJQTSAtMDcwMCwgUmFqYXQgSmFpbiB3cm90 ZToKPiBPbiBNb24sIEp1bCA2LCAyMDIwIGF0IDg6NTggQU0gQmpvcm4gSGVsZ2FhcyA8aGVsZ2Fh c0BrZXJuZWwub3JnPiB3cm90ZToKPiA+IE9uIE1vbiwgSnVuIDI5LCAyMDIwIGF0IDA5OjQ5OjM3 UE0gLTA3MDAsIFJhamF0IEphaW4gd3JvdGU6Cgo+ID4gPiArc3RhdGljIHZvaWQgcGNpX2VuYWJs ZV9hY3Moc3RydWN0IHBjaV9kZXYgKmRldik7Cj4gPgo+ID4gSSBkb24ndCB0aGluayB3ZSBuZWVk IHRoaXMgZm9yd2FyZCBkZWNsYXJhdGlvbiwgZG8gd2U/Cj4gCj4gV2UgbmVlZCBpdCB1bmxlc3Mg d2UgbW92ZSBpdHMgZGVmaW5pdGlvbiBmdXJ0aGVyIHVwIGluIHRoZSBmaWxlOgo+IAo+IGRyaXZl cnMvcGNpL3BjaS5jOiBJbiBmdW5jdGlvbiDigJhwY2lfcmVzdG9yZV9zdGF0ZeKAmToKPiBkcml2 ZXJzL3BjaS9wY2kuYzoxNTUxOjI6IGVycm9yOiBpbXBsaWNpdCBkZWNsYXJhdGlvbiBvZiBmdW5j dGlvbgo+IOKAmHBjaV9lbmFibGVfYWNz4oCZOyBkaWQgeW91IG1lYW4g4oCYcGNpX2VuYWJsZV9h dHPigJk/Cj4gWy1XZXJyb3I9aW1wbGljaXQtZnVuY3Rpb24tZGVjbGFyYXRpb25dCj4gIDE1NTEg fCAgcGNpX2VuYWJsZV9hY3MoZGV2KTsKPiAKPiBEbyB5b3Ugd2FudCBtZSB0byBtb3ZlIGl0IHVw IGluIHRoZSBmaWxlIHNvIHRoYXQgd2UgZG8gbm90IG5lZWQgdGhlCj4gZm9yd2FyZCBkZWNsYXJh dGlvbj8KClllcywgcGxlYXNlIG1vdmUgaXQuICBNYXliZSBhIHByZWxpbWluYXJ5IHBhdGNoIHRo YXQgbW92ZXMgaXQgYnV0CmRvZXNuJ3QgY2hhbmdlIGFueXRoaW5nIGVsc2UuCgpJIHRoaW5rIEkg dGhvdWdodCB5b3UgaGFkIHJlbmFtZWQgdGhlIGZ1bmN0aW9uLCBpbiB3aGljaCBjYXNlIHlvdQpj b3VsZCB0ZWxsIGZyb20gdGhlIHBhdGNoIGl0c2VsZi4gIEJ1dCBJIHdhcyBtaXN0YWtlbiEKCj4g PiA+IEBAIC00NjUzLDcgKzQ2NTMsNyBAQCBzdGF0aWMgaW50IHBjaV9xdWlya19pbnRlbF9zcHRf cGNoX2FjcyhzdHJ1Y3QgcGNpX2RldiAqZGV2LCB1MTYgYWNzX2ZsYWdzKQo+ID4gPiAgICAgICBp ZiAoIXBjaV9xdWlya19pbnRlbF9zcHRfcGNoX2Fjc19tYXRjaChkZXYpKQo+ID4gPiAgICAgICAg ICAgICAgIHJldHVybiAtRU5PVFRZOwo+ID4gPgo+ID4gPiAtICAgICBwb3MgPSBwY2lfZmluZF9l eHRfY2FwYWJpbGl0eShkZXYsIFBDSV9FWFRfQ0FQX0lEX0FDUyk7Cj4gPiA+ICsgICAgIHBvcyA9 IGRldi0+YWNzX2NhcDsKPiA+Cj4gPiBJIGFzc3VtZSB5b3UgdmVyaWZpZWQgdGhhdCBhbGwgdGhl c2UgcXVpcmtzIGFyZSBGSU5BTCBxdWlya3MsIHNpbmNlCj4gPiBwY2lfaW5pdF9jYXBhYmlsaXRp ZXMoKSBpcyBjYWxsZWQgYWZ0ZXIgSEVBREVSIHF1aXJrcy4gIEknbGwKPiA+IGRvdWJsZS1jaGVj ayBiZWZvcmUgYXBwbHlpbmcgdGhpcy4KPiAKPiBOb25lIG9mIHRoZXNlIHF1aXJrcyBhcmUgYXBw bGllZCB2aWEgREVDTEFSRV9QQ0lfRklYVVBfKigpLiBBbGwgdGhlc2UKPiBxdWlya3MgYXJlIGNh bGxlZCAoZGlyZWN0bHkgb3IgaW5kaXJlY3RseSkgZnJvbSBlaXRoZXIKPiBwY2lfZW5hYmxlX2Fj cygpIG9yIHBjaV9hY3NfZW5hYmxlZCgpLAo+IAo+IEVYQ0VQVAo+IAo+IHBjaV9pZHRfYnVzX3F1 aXJrKCkuIFRoYXQgb25lIGlzIGNhbGxlZCBmcm9tCj4gcGNpX2J1c19yZWFkX2Rldl92ZW5kb3Jf aWQoKSB3aGljaCBzaG91bGQgYmUgY2FsbGVkIG9ubHkgYWZ0ZXIgdGhlCj4gcGFyZW50IGJyaWRn ZSBoYXMgYmVlbiBhZGRlZCBhbmQgc2V0dXAgY29ycmVjdGx5Lgo+IAo+IFNvIGl0IGxvb2tzIGFs bCBnb29kIHRvIG1lLgoKR3JlYXQsIHRoYW5rcyBmb3IgY2hlY2tpbmcgdGhhdC4KX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0 CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3Vu ZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11