From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: [RESEND PATCH] nvme: explicitly use normal NVMe error handling when appropriate Date: Thu, 13 Aug 2020 11:43:20 -0400 Message-ID: <20200813154320.GA5707@redhat.com> References: <20200806191943.GA27868@redhat.com> <6B826235-C504-4621-B8F7-34475B200979@netapp.com> <20200807000755.GA28957@redhat.com> <510f5aff-0437-b1ce-f7ab-c812edbea880@grimberg.me> <20200807045015.GA29737@redhat.com> <20200810143620.GA19127@redhat.com> <20200810172209.GA19535@redhat.com> <20200813144811.GA5452@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com Content-Disposition: inline To: "Meneghini, John" Cc: Sagi Grimberg , Ewan Milne , Christoph Hellwig , "dm-devel@redhat.com" , "linux-nvme@lists.infradead.org" , Chao Leng , Keith Busch List-Id: dm-devel.ids TWF5YmUgYmVjYXVzZSBJIGRpZG4ndCBjYyBsaW51eC1ibG9jaz8KT25seSB3YXkgdGhhdCBJIGtu b3cgdG8gInVwbG9hZCB0aGlzIHBhdGNoIHRoZXJlIiBpcyB0byBoYXZlIGNjJ2QKbGludXgtYmxv Y2suCgpCdXQgdGhlIHBhdGNoIGlzIGluIGRtLWRldmVsJ3MgcGF0Y2h3b3JrIGhlcmU6Cmh0dHBz Oi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvcGF0Y2gvMTE3MTI1NjMvCgpJcyB0aGF0IHN1ZmZpY2ll bnQgZm9yIHlvdXIgbmVlZHM/CgpUaGFua3MsCk1pa2UKCk9uIFRodSwgQXVnIDEzIDIwMjAgYXQg MTE6MjlhbSAtMDQwMCwKTWVuZWdoaW5pLCBKb2huIDxKb2huLk1lbmVnaGluaUBuZXRhcHAuY29t PiB3cm90ZToKCj4gTWlrZSwgCj4gCj4gSSBkb24ndCBzZWUgeW91ciBwYXRjaCBhdDoKPiAKPiBo dHRwczovL3BhdGNod29yay5rZXJuZWwub3JnL3Byb2plY3QvbGludXgtYmxvY2svbGlzdC8/c3Vi bWl0dGVyPTE2NDMKPiAKPiBDYW4geW91IHBsZWFzZSB1cGxvYWQgdGhpcyBwYXRjaCB0aGVyZT8K PiAKPiBUaGFua3MsCj4gCj4gL0pvaG4KPiAKPiDvu79PbiA4LzEzLzIwLCAxMDo0OCBBTSwgIk1p a2UgU25pdHplciIgPHNuaXR6ZXJAcmVkaGF0LmNvbT4gd3JvdGU6Cj4gCj4gICAgIENvbW1pdCA3 NjRlOTMzMjA5OGMwICgibnZtZS1tdWx0aXBhdGg6IGRvIG5vdCByZXNldCBvbiB1bmtub3duCj4g ICAgIHN0YXR1cyIpLCBhbW9uZyBvdGhlciB0aGluZ3MsIGZpeGVkIE5WTUVfU0NfQ01EX0lOVEVS UlVQVEVEIGVycm9yCj4gICAgIGhhbmRsaW5nIGJ5IGNoYW5naW5nIG11bHRpcGF0aGluZydzIG52 bWVfZmFpbG92ZXJfcmVxKCkgdG8gc2hvcnQtY2lyY3VpdAo+ICAgICBwYXRoIGZhaWxvdmVyIGFu ZCB0aGVuIGZhbGxiYWNrIHRvIE5WTWUncyBub3JtYWwgZXJyb3IgaGFuZGxpbmcgKHdoaWNoCj4g ICAgIHRha2VzIGNhcmUgb2YgTlZNRV9TQ19DTURfSU5URVJSVVBURUQpLgo+IAo+ICAgICBUaGlz IGRldG91ciB0aHJvdWdoIG5hdGl2ZSBOVk1lIG11bHRpcGF0aGluZyBjb2RlIGlzIHVud2VsY29t ZSBiZWNhdXNlCj4gICAgIGl0IHByZXZlbnRzIE5WTWUgY29yZSBmcm9tIGhhbmRsaW5nIE5WTUVf U0NfQ01EX0lOVEVSUlVQVEVEIGluZGVwZW5kZW50Cj4gICAgIG9mIGFueSBtdWx0aXBhdGhpbmcg Y29uY2VybnMuCj4gCj4gICAgIEludHJvZHVjZSBudm1lX3N0YXR1c19uZWVkc19sb2NhbF9lcnJv cl9oYW5kbGluZygpIHRvIHByaW9yaXRpemUKPiAgICAgbm9uLWZhaWxvdmVyIHJldHJ5LCB3aGVu IGFwcHJvcHJpYXRlLCBpbiB0ZXJtcyBvZiBub3JtYWwgTlZNZSBlcnJvcgo+ICAgICBoYW5kbGlu Zy4gIG52bWVfc3RhdHVzX25lZWRzX2xvY2FsX2Vycm9yX2hhbmRsaW5nKCkgd2lsbCBuYXR1cmVs eSBldm9sdmUKPiAgICAgdG8gaW5jbHVkZSBoYW5kbGluZyBvZiBhbnkgb3RoZXIgZXJyb3JzIHRo YXQgbm9ybWFsIGVycm9yIGhhbmRsaW5nIG11c3QKPiAgICAgYmUgdXNlZCBmb3IuCj4gCj4gICAg IG52bWVfZmFpbG92ZXJfcmVxKCkncyBhYmlsaXR5IHRvIGZhbGxiYWNrIHRvIG5vcm1hbCBOVk1l IGVycm9yIGhhbmRsaW5nCj4gICAgIGhhcyBiZWVuIHByZXNlcnZlZCBiZWNhdXNlIGl0IG1heSBi ZSB1c2VmdWwgZm9yIGZ1dHVyZSBOVk1FX1NDIHRoYXQKPiAgICAgbnZtZV9zdGF0dXNfbmVlZHNf bG9jYWxfZXJyb3JfaGFuZGxpbmcoKSBoYXNuJ3QgYmVlbiB0cmFpbmVkIGZvciB5ZXQuCj4gCj4g ICAgIFNpZ25lZC1vZmYtYnk6IE1pa2UgU25pdHplciA8c25pdHplckByZWRoYXQuY29tPgo+ICAg ICAtLS0KPiAgICAgIGRyaXZlcnMvbnZtZS9ob3N0L2NvcmUuYyB8IDE2ICsrKysrKysrKysrKysr LS0KPiAgICAgIDEgZmlsZSBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygt KQo+IAo+ICAgICBkaWZmIC0tZ2l0IGEvZHJpdmVycy9udm1lL2hvc3QvY29yZS5jIGIvZHJpdmVy cy9udm1lL2hvc3QvY29yZS5jCj4gICAgIGluZGV4IDg4Y2ZmMzA5ZDhlNC4uYmU3NDliNjkwYWY3 IDEwMDY0NAo+ICAgICAtLS0gYS9kcml2ZXJzL252bWUvaG9zdC9jb3JlLmMKPiAgICAgKysrIGIv ZHJpdmVycy9udm1lL2hvc3QvY29yZS5jCj4gICAgIEBAIC0yNTIsNiArMjUyLDE2IEBAIHN0YXRp YyBpbmxpbmUgYm9vbCBudm1lX3JlcV9uZWVkc19yZXRyeShzdHJ1Y3QgcmVxdWVzdCAqcmVxKQo+ ICAgICAgICAgICAgIHJldHVybiB0cnVlOwo+ICAgICAgfQo+IAo+ICAgICArc3RhdGljIGlubGlu ZSBib29sIG52bWVfc3RhdHVzX25lZWRzX2xvY2FsX2Vycm9yX2hhbmRsaW5nKHUxNiBzdGF0dXMp Cj4gICAgICt7Cj4gICAgICsgICAgICAgc3dpdGNoIChzdGF0dXMgJiAweDdmZikgewo+ICAgICAr ICAgICAgIGNhc2UgTlZNRV9TQ19DTURfSU5URVJSVVBURUQ6Cj4gICAgICsgICAgICAgICAgICAg ICByZXR1cm4gdHJ1ZTsKPiAgICAgKyAgICAgICBkZWZhdWx0Ogo+ICAgICArICAgICAgICAgICAg ICAgcmV0dXJuIGZhbHNlOwo+ICAgICArICAgICAgIH0KPiAgICAgK30KPiAgICAgKwo+ICAgICAg c3RhdGljIHZvaWQgbnZtZV9yZXRyeV9yZXEoc3RydWN0IHJlcXVlc3QgKnJlcSkKPiAgICAgIHsK PiAgICAgICAgICAgICBzdHJ1Y3QgbnZtZV9ucyAqbnMgPSByZXEtPnEtPnF1ZXVlZGF0YTsKPiAg ICAgQEAgLTI3MCw3ICsyODAsOCBAQCBzdGF0aWMgdm9pZCBudm1lX3JldHJ5X3JlcShzdHJ1Y3Qg cmVxdWVzdCAqcmVxKQo+IAo+ICAgICAgdm9pZCBudm1lX2NvbXBsZXRlX3JxKHN0cnVjdCByZXF1 ZXN0ICpyZXEpCj4gICAgICB7Cj4gICAgIC0gICAgICAgYmxrX3N0YXR1c190IHN0YXR1cyA9IG52 bWVfZXJyb3Jfc3RhdHVzKG52bWVfcmVxKHJlcSktPnN0YXR1cyk7Cj4gICAgICsgICAgICAgdTE2 IG52bWVfc3RhdHVzID0gbnZtZV9yZXEocmVxKS0+c3RhdHVzOwo+ICAgICArICAgICAgIGJsa19z dGF0dXNfdCBzdGF0dXMgPSBudm1lX2Vycm9yX3N0YXR1cyhudm1lX3N0YXR1cyk7Cj4gCj4gICAg ICAgICAgICAgdHJhY2VfbnZtZV9jb21wbGV0ZV9ycShyZXEpOwo+IAo+ICAgICBAQCAtMjgwLDcg KzI5MSw4IEBAIHZvaWQgbnZtZV9jb21wbGV0ZV9ycShzdHJ1Y3QgcmVxdWVzdCAqcmVxKQo+ICAg ICAgICAgICAgICAgICAgICAgbnZtZV9yZXEocmVxKS0+Y3RybC0+Y29tcF9zZWVuID0gdHJ1ZTsK PiAKPiAgICAgICAgICAgICBpZiAodW5saWtlbHkoc3RhdHVzICE9IEJMS19TVFNfT0sgJiYgbnZt ZV9yZXFfbmVlZHNfcmV0cnkocmVxKSkpIHsKPiAgICAgLSAgICAgICAgICAgICAgIGlmICgocmVx LT5jbWRfZmxhZ3MgJiBSRVFfTlZNRV9NUEFUSCkgJiYgbnZtZV9mYWlsb3Zlcl9yZXEocmVxKSkK PiAgICAgKyAgICAgICAgICAgICAgIGlmICghbnZtZV9zdGF0dXNfbmVlZHNfbG9jYWxfZXJyb3Jf aGFuZGxpbmcobnZtZV9zdGF0dXMpICYmCj4gICAgICsgICAgICAgICAgICAgICAgICAgKHJlcS0+ Y21kX2ZsYWdzICYgUkVRX05WTUVfTVBBVEgpICYmIG52bWVfZmFpbG92ZXJfcmVxKHJlcSkpCj4g ICAgICAgICAgICAgICAgICAgICAgICAgICAgIHJldHVybjsKPiAKPiAgICAgICAgICAgICAgICAg ICAgIGlmICghYmxrX3F1ZXVlX2R5aW5nKHJlcS0+cSkpIHsKPiAgICAgLS0KPiAgICAgMi4xOC4w Cj4gCj4gCgotLQpkbS1kZXZlbCBtYWlsaW5nIGxpc3QKZG0tZGV2ZWxAcmVkaGF0LmNvbQpodHRw czovL3d3dy5yZWRoYXQuY29tL21haWxtYW4vbGlzdGluZm8vZG0tZGV2ZWw= 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=-11.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, 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 55C02C433E1 for ; Thu, 13 Aug 2020 15:43:37 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 1F79B20829 for ; Thu, 13 Aug 2020 15:43:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lqDe2FU3"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="gJi7Dflg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1F79B20829 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PH7BDEBWpS4zRMqXGeEsHdn0xoWbeQ+8eYmTvs5tuiQ=; b=lqDe2FU3pOdKzUxlaMxx0ebdh uWz41ReVZAlU64l5eT/eP2FvN9nk/ek7AH9mWmJbxp2YwKQc4x1OSPfpWax+7O3rKqLCSXB2/eh7K RWFrpR2I7X36s779nmr+2DWb1bDLQYmd8NED+4DavBR5kk+AOuB9YNoaPg/z9jpkJcKQCM+1r8W9E hmAqoBQ8+57rpSK/OO99L5MGAyAMiRmyiuEG9VIA6oUdYMaLwV0LndevZi47eMv3toXGAvaEeM4Ld Eiy5CAVnJ0NEGDXtUHVAELEiME+qldfGUzvbqOMQOz/I3adCTN/UxHeRx5YDipxDkC3zikLrxmD1N Lq6+84erA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k6FOA-0000tm-ET; Thu, 13 Aug 2020 15:43:34 +0000 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120] helo=us-smtp-1.mimecast.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k6FO7-0000t1-0b for linux-nvme@lists.infradead.org; Thu, 13 Aug 2020 15:43:32 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597333410; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XvQRtIwCdu5WxmMHZUuhQ5M8vGVV7X73Dsg4ufy9ew0=; b=gJi7DflgQIsja/25LLSZGUtzpZ4Z/rneqvILpe6AoYQRCMm7ieppDYiyFGpbSaQ4DJ4M8V CDDKJUAeoCtXJFEqy10KNjmnWXAeveIt6uak9aNhFUZIrJHIbR01bvX80SwcrqVQYW7RTi r+JlQqXLIFfPTdnEdyG6MXkKK+uzyc4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-350-Rrnq6fBeNQ6jvIr2zPgnjg-1; Thu, 13 Aug 2020 11:43:25 -0400 X-MC-Unique: Rrnq6fBeNQ6jvIr2zPgnjg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 747EF1DDE0; Thu, 13 Aug 2020 15:43:24 +0000 (UTC) Received: from localhost (unknown [10.18.25.174]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 54E446FDAF; Thu, 13 Aug 2020 15:43:21 +0000 (UTC) Date: Thu, 13 Aug 2020 11:43:20 -0400 From: Mike Snitzer To: "Meneghini, John" Subject: Re: [RESEND PATCH] nvme: explicitly use normal NVMe error handling when appropriate Message-ID: <20200813154320.GA5707@redhat.com> References: <20200806191943.GA27868@redhat.com> <6B826235-C504-4621-B8F7-34475B200979@netapp.com> <20200807000755.GA28957@redhat.com> <510f5aff-0437-b1ce-f7ab-c812edbea880@grimberg.me> <20200807045015.GA29737@redhat.com> <20200810143620.GA19127@redhat.com> <20200810172209.GA19535@redhat.com> <20200813144811.GA5452@redhat.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=msnitzer@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200813_114331_135941_AC0BE685 X-CRM114-Status: GOOD ( 26.68 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagi Grimberg , Ewan Milne , Christoph Hellwig , "dm-devel@redhat.com" , "linux-nvme@lists.infradead.org" , Chao Leng , Keith Busch , Hannes Reinecke Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org TWF5YmUgYmVjYXVzZSBJIGRpZG4ndCBjYyBsaW51eC1ibG9jaz8KT25seSB3YXkgdGhhdCBJIGtu b3cgdG8gInVwbG9hZCB0aGlzIHBhdGNoIHRoZXJlIiBpcyB0byBoYXZlIGNjJ2QKbGludXgtYmxv Y2suCgpCdXQgdGhlIHBhdGNoIGlzIGluIGRtLWRldmVsJ3MgcGF0Y2h3b3JrIGhlcmU6Cmh0dHBz Oi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvcGF0Y2gvMTE3MTI1NjMvCgpJcyB0aGF0IHN1ZmZpY2ll bnQgZm9yIHlvdXIgbmVlZHM/CgpUaGFua3MsCk1pa2UKCk9uIFRodSwgQXVnIDEzIDIwMjAgYXQg MTE6MjlhbSAtMDQwMCwKTWVuZWdoaW5pLCBKb2huIDxKb2huLk1lbmVnaGluaUBuZXRhcHAuY29t PiB3cm90ZToKCj4gTWlrZSwgCj4gCj4gSSBkb24ndCBzZWUgeW91ciBwYXRjaCBhdDoKPiAKPiBo dHRwczovL3BhdGNod29yay5rZXJuZWwub3JnL3Byb2plY3QvbGludXgtYmxvY2svbGlzdC8/c3Vi bWl0dGVyPTE2NDMKPiAKPiBDYW4geW91IHBsZWFzZSB1cGxvYWQgdGhpcyBwYXRjaCB0aGVyZT8K PiAKPiBUaGFua3MsCj4gCj4gL0pvaG4KPiAKPiDvu79PbiA4LzEzLzIwLCAxMDo0OCBBTSwgIk1p a2UgU25pdHplciIgPHNuaXR6ZXJAcmVkaGF0LmNvbT4gd3JvdGU6Cj4gCj4gICAgIENvbW1pdCA3 NjRlOTMzMjA5OGMwICgibnZtZS1tdWx0aXBhdGg6IGRvIG5vdCByZXNldCBvbiB1bmtub3duCj4g ICAgIHN0YXR1cyIpLCBhbW9uZyBvdGhlciB0aGluZ3MsIGZpeGVkIE5WTUVfU0NfQ01EX0lOVEVS UlVQVEVEIGVycm9yCj4gICAgIGhhbmRsaW5nIGJ5IGNoYW5naW5nIG11bHRpcGF0aGluZydzIG52 bWVfZmFpbG92ZXJfcmVxKCkgdG8gc2hvcnQtY2lyY3VpdAo+ICAgICBwYXRoIGZhaWxvdmVyIGFu ZCB0aGVuIGZhbGxiYWNrIHRvIE5WTWUncyBub3JtYWwgZXJyb3IgaGFuZGxpbmcgKHdoaWNoCj4g ICAgIHRha2VzIGNhcmUgb2YgTlZNRV9TQ19DTURfSU5URVJSVVBURUQpLgo+IAo+ICAgICBUaGlz IGRldG91ciB0aHJvdWdoIG5hdGl2ZSBOVk1lIG11bHRpcGF0aGluZyBjb2RlIGlzIHVud2VsY29t ZSBiZWNhdXNlCj4gICAgIGl0IHByZXZlbnRzIE5WTWUgY29yZSBmcm9tIGhhbmRsaW5nIE5WTUVf U0NfQ01EX0lOVEVSUlVQVEVEIGluZGVwZW5kZW50Cj4gICAgIG9mIGFueSBtdWx0aXBhdGhpbmcg Y29uY2VybnMuCj4gCj4gICAgIEludHJvZHVjZSBudm1lX3N0YXR1c19uZWVkc19sb2NhbF9lcnJv cl9oYW5kbGluZygpIHRvIHByaW9yaXRpemUKPiAgICAgbm9uLWZhaWxvdmVyIHJldHJ5LCB3aGVu IGFwcHJvcHJpYXRlLCBpbiB0ZXJtcyBvZiBub3JtYWwgTlZNZSBlcnJvcgo+ICAgICBoYW5kbGlu Zy4gIG52bWVfc3RhdHVzX25lZWRzX2xvY2FsX2Vycm9yX2hhbmRsaW5nKCkgd2lsbCBuYXR1cmVs eSBldm9sdmUKPiAgICAgdG8gaW5jbHVkZSBoYW5kbGluZyBvZiBhbnkgb3RoZXIgZXJyb3JzIHRo YXQgbm9ybWFsIGVycm9yIGhhbmRsaW5nIG11c3QKPiAgICAgYmUgdXNlZCBmb3IuCj4gCj4gICAg IG52bWVfZmFpbG92ZXJfcmVxKCkncyBhYmlsaXR5IHRvIGZhbGxiYWNrIHRvIG5vcm1hbCBOVk1l IGVycm9yIGhhbmRsaW5nCj4gICAgIGhhcyBiZWVuIHByZXNlcnZlZCBiZWNhdXNlIGl0IG1heSBi ZSB1c2VmdWwgZm9yIGZ1dHVyZSBOVk1FX1NDIHRoYXQKPiAgICAgbnZtZV9zdGF0dXNfbmVlZHNf bG9jYWxfZXJyb3JfaGFuZGxpbmcoKSBoYXNuJ3QgYmVlbiB0cmFpbmVkIGZvciB5ZXQuCj4gCj4g ICAgIFNpZ25lZC1vZmYtYnk6IE1pa2UgU25pdHplciA8c25pdHplckByZWRoYXQuY29tPgo+ICAg ICAtLS0KPiAgICAgIGRyaXZlcnMvbnZtZS9ob3N0L2NvcmUuYyB8IDE2ICsrKysrKysrKysrKysr LS0KPiAgICAgIDEgZmlsZSBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygt KQo+IAo+ICAgICBkaWZmIC0tZ2l0IGEvZHJpdmVycy9udm1lL2hvc3QvY29yZS5jIGIvZHJpdmVy cy9udm1lL2hvc3QvY29yZS5jCj4gICAgIGluZGV4IDg4Y2ZmMzA5ZDhlNC4uYmU3NDliNjkwYWY3 IDEwMDY0NAo+ICAgICAtLS0gYS9kcml2ZXJzL252bWUvaG9zdC9jb3JlLmMKPiAgICAgKysrIGIv ZHJpdmVycy9udm1lL2hvc3QvY29yZS5jCj4gICAgIEBAIC0yNTIsNiArMjUyLDE2IEBAIHN0YXRp YyBpbmxpbmUgYm9vbCBudm1lX3JlcV9uZWVkc19yZXRyeShzdHJ1Y3QgcmVxdWVzdCAqcmVxKQo+ ICAgICAgICAgICAgIHJldHVybiB0cnVlOwo+ICAgICAgfQo+IAo+ICAgICArc3RhdGljIGlubGlu ZSBib29sIG52bWVfc3RhdHVzX25lZWRzX2xvY2FsX2Vycm9yX2hhbmRsaW5nKHUxNiBzdGF0dXMp Cj4gICAgICt7Cj4gICAgICsgICAgICAgc3dpdGNoIChzdGF0dXMgJiAweDdmZikgewo+ICAgICAr ICAgICAgIGNhc2UgTlZNRV9TQ19DTURfSU5URVJSVVBURUQ6Cj4gICAgICsgICAgICAgICAgICAg ICByZXR1cm4gdHJ1ZTsKPiAgICAgKyAgICAgICBkZWZhdWx0Ogo+ICAgICArICAgICAgICAgICAg ICAgcmV0dXJuIGZhbHNlOwo+ICAgICArICAgICAgIH0KPiAgICAgK30KPiAgICAgKwo+ICAgICAg c3RhdGljIHZvaWQgbnZtZV9yZXRyeV9yZXEoc3RydWN0IHJlcXVlc3QgKnJlcSkKPiAgICAgIHsK PiAgICAgICAgICAgICBzdHJ1Y3QgbnZtZV9ucyAqbnMgPSByZXEtPnEtPnF1ZXVlZGF0YTsKPiAg ICAgQEAgLTI3MCw3ICsyODAsOCBAQCBzdGF0aWMgdm9pZCBudm1lX3JldHJ5X3JlcShzdHJ1Y3Qg cmVxdWVzdCAqcmVxKQo+IAo+ICAgICAgdm9pZCBudm1lX2NvbXBsZXRlX3JxKHN0cnVjdCByZXF1 ZXN0ICpyZXEpCj4gICAgICB7Cj4gICAgIC0gICAgICAgYmxrX3N0YXR1c190IHN0YXR1cyA9IG52 bWVfZXJyb3Jfc3RhdHVzKG52bWVfcmVxKHJlcSktPnN0YXR1cyk7Cj4gICAgICsgICAgICAgdTE2 IG52bWVfc3RhdHVzID0gbnZtZV9yZXEocmVxKS0+c3RhdHVzOwo+ICAgICArICAgICAgIGJsa19z dGF0dXNfdCBzdGF0dXMgPSBudm1lX2Vycm9yX3N0YXR1cyhudm1lX3N0YXR1cyk7Cj4gCj4gICAg ICAgICAgICAgdHJhY2VfbnZtZV9jb21wbGV0ZV9ycShyZXEpOwo+IAo+ICAgICBAQCAtMjgwLDcg KzI5MSw4IEBAIHZvaWQgbnZtZV9jb21wbGV0ZV9ycShzdHJ1Y3QgcmVxdWVzdCAqcmVxKQo+ICAg ICAgICAgICAgICAgICAgICAgbnZtZV9yZXEocmVxKS0+Y3RybC0+Y29tcF9zZWVuID0gdHJ1ZTsK PiAKPiAgICAgICAgICAgICBpZiAodW5saWtlbHkoc3RhdHVzICE9IEJMS19TVFNfT0sgJiYgbnZt ZV9yZXFfbmVlZHNfcmV0cnkocmVxKSkpIHsKPiAgICAgLSAgICAgICAgICAgICAgIGlmICgocmVx LT5jbWRfZmxhZ3MgJiBSRVFfTlZNRV9NUEFUSCkgJiYgbnZtZV9mYWlsb3Zlcl9yZXEocmVxKSkK PiAgICAgKyAgICAgICAgICAgICAgIGlmICghbnZtZV9zdGF0dXNfbmVlZHNfbG9jYWxfZXJyb3Jf aGFuZGxpbmcobnZtZV9zdGF0dXMpICYmCj4gICAgICsgICAgICAgICAgICAgICAgICAgKHJlcS0+ Y21kX2ZsYWdzICYgUkVRX05WTUVfTVBBVEgpICYmIG52bWVfZmFpbG92ZXJfcmVxKHJlcSkpCj4g ICAgICAgICAgICAgICAgICAgICAgICAgICAgIHJldHVybjsKPiAKPiAgICAgICAgICAgICAgICAg ICAgIGlmICghYmxrX3F1ZXVlX2R5aW5nKHJlcS0+cSkpIHsKPiAgICAgLS0KPiAgICAgMi4xOC4w Cj4gCj4gCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K TGludXgtbnZtZSBtYWlsaW5nIGxpc3QKTGludXgtbnZtZUBsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbnZtZQo=