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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 D3674C282C2 for ; Thu, 7 Feb 2019 15:10:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A459A21919 for ; Thu, 7 Feb 2019 15:10:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726196AbfBGPKV (ORCPT ); Thu, 7 Feb 2019 10:10:21 -0500 Received: from mga05.intel.com ([192.55.52.43]:47594 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726048AbfBGPKT (ORCPT ); Thu, 7 Feb 2019 10:10:19 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Feb 2019 07:10:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,344,1544515200"; d="p7s'?scan'208";a="136650340" Received: from orsmsx105.amr.corp.intel.com ([10.22.225.132]) by orsmga001.jf.intel.com with ESMTP; 07 Feb 2019 07:10:18 -0800 Received: from orsmsx155.amr.corp.intel.com (10.22.240.21) by ORSMSX105.amr.corp.intel.com (10.22.225.132) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 7 Feb 2019 07:10:18 -0800 Received: from orsmsx101.amr.corp.intel.com ([169.254.8.140]) by ORSMSX155.amr.corp.intel.com ([169.254.7.147]) with mapi id 14.03.0415.000; Thu, 7 Feb 2019 07:10:12 -0800 From: "Derrick, Jonathan" To: "Kalakota, SushmaX" , "gregkh@linuxfoundation.org" CC: "scott.bauer@intel.com" , "Busch, Keith" , "stable@vger.kernel.org" , "bhelgaas@google.com" Subject: Re: [PATCH] PCI: vmd: Free up IRQs on suspend path Thread-Topic: [PATCH] PCI: vmd: Free up IRQs on suspend path Thread-Index: AQHUvmPSlkW22I1fiUS9LS5owxWmCaXUtBEAgABDf4A= Date: Thu, 7 Feb 2019 15:10:09 +0000 Message-ID: <1549552167.19557.3.camel@intel.com> References: <20190206213616.15136-1-sushmax.kalakota@intel.com> <20190207110752.GA16944@kroah.com> In-Reply-To: <20190207110752.GA16944@kroah.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.255.7.57] Content-Type: multipart/signed; micalg=sha-1; protocol="application/x-pkcs7-signature"; boundary="=-+04qOeyhM/wKJSvZp5vj" MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org --=-+04qOeyhM/wKJSvZp5vj Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2019-02-07 at 12:07 +0100, Greg KH wrote: > On Wed, Feb 06, 2019 at 02:36:16PM -0700, Sushma Kalakota wrote: > > commit e2b1820bd5d09 upstream > >=20 > > Free up the IRQs we request on the suspend path and reallocate them > > on the > > resume path. > >=20 > > Fixes this error: > >=20 > > CPU 111 disable failed: CPU has 9 vectors assigned and there are > > only 0 available. > > Error taking CPU111 down: -34 > > Non-boot CPUs are not disabled > > Enabling non-boot CPUs ... > >=20 > > For consistency, this patch also includes the VMD portion of: > > 3eefa790c9681: PCI: host: Mark PCIe/PCI (MSI) cascade ISR as > > IRQF_NO_THREAD > >=20 > > CC: Scott Bauer > > CC: Bjorn Helgaas > > CC: Keith Busch > > Reviewed-by: Jon Derrick > > Signed-off-by: Sushma Kalakota > > --- > > drivers/pci/host/vmd.c | 18 +++++++++++++++++- > > 1 file changed, 17 insertions(+), 1 deletion(-) > >=20 >=20 > What stable kernel tree(s) do you want this patch applied to? And > why? >=20 > thanks, >=20 > greg k-h Hi Greg, This is for 4.9.y and intended to increase reliability of suspend/resume not leading to a failure to suspend or failure to resume, either of which would be undesireable to users of the feature, and potentially make the overall feature unusable if suspend/resume were user requirement. --=-+04qOeyhM/wKJSvZp5vj Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIKeTCCBOsw ggPToAMCAQICEFLpAsoR6ESdlGU4L6MaMLswDQYJKoZIhvcNAQEFBQAwbzELMAkGA1UEBhMCU0Ux FDASBgNVBAoTC0FkZFRydXN0IEFCMSYwJAYDVQQLEx1BZGRUcnVzdCBFeHRlcm5hbCBUVFAgTmV0 d29yazEiMCAGA1UEAxMZQWRkVHJ1c3QgRXh0ZXJuYWwgQ0EgUm9vdDAeFw0xMzAzMTkwMDAwMDBa Fw0yMDA1MzAxMDQ4MzhaMHkxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJDQTEUMBIGA1UEBxMLU2Fu dGEgQ2xhcmExGjAYBgNVBAoTEUludGVsIENvcnBvcmF0aW9uMSswKQYDVQQDEyJJbnRlbCBFeHRl cm5hbCBCYXNpYyBJc3N1aW5nIENBIDRBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA 4LDMgJ3YSVX6A9sE+jjH3b+F3Xa86z3LLKu/6WvjIdvUbxnoz2qnvl9UKQI3sE1zURQxrfgvtP0b Pgt1uDwAfLc6H5eqnyi+7FrPsTGCR4gwDmq1WkTQgNDNXUgb71e9/6sfq+WfCDpi8ScaglyLCRp7 ph/V60cbitBvnZFelKCDBh332S6KG3bAdnNGB/vk86bwDlY6omDs6/RsfNwzQVwo/M3oPrux6y6z yIoRulfkVENbM0/9RrzQOlyK4W5Vk4EEsfW2jlCV4W83QKqRccAKIUxw2q/HoHVPbbETrrLmE6RR Z/+eWlkGWl+mtx42HOgOmX0BRdTRo9vH7yeBowIDAQABo4IBdzCCAXMwHwYDVR0jBBgwFoAUrb2Y ejS0Jvf6xCZU7wO94CTLVBowHQYDVR0OBBYEFB5pKrTcKP5HGE4hCz+8rBEv8Jj1MA4GA1UdDwEB /wQEAwIBhjASBgNVHRMBAf8ECDAGAQH/AgEAMDYGA1UdJQQvMC0GCCsGAQUFBwMEBgorBgEEAYI3 CgMEBgorBgEEAYI3CgMMBgkrBgEEAYI3FQUwFwYDVR0gBBAwDjAMBgoqhkiG+E0BBQFpMEkGA1Ud HwRCMEAwPqA8oDqGOGh0dHA6Ly9jcmwudHJ1c3QtcHJvdmlkZXIuY29tL0FkZFRydXN0RXh0ZXJu YWxDQVJvb3QuY3JsMDoGCCsGAQUFBwEBBC4wLDAqBggrBgEFBQcwAYYeaHR0cDovL29jc3AudHJ1 c3QtcHJvdmlkZXIuY29tMDUGA1UdHgQuMCygKjALgQlpbnRlbC5jb20wG6AZBgorBgEEAYI3FAID oAsMCWludGVsLmNvbTANBgkqhkiG9w0BAQUFAAOCAQEAKcLNo/2So1Jnoi8G7W5Q6FSPq1fmyKW3 sSDf1amvyHkjEgd25n7MKRHGEmRxxoziPKpcmbfXYU+J0g560nCo5gPF78Wd7ZmzcmCcm1UFFfIx fw6QA19bRpTC8bMMaSSEl8y39Pgwa+HENmoPZsM63DdZ6ziDnPqcSbcfYs8qd/m5d22rpXq5IGVU tX6LX7R/hSSw/3sfATnBLgiJtilVyY7OGGmYKCAS2I04itvSS1WtecXTt9OZDyNbl7LtObBrgMLh ZkpJW+pOR9f3h5VG2S5uKkA7Th9NC9EoScdwQCAIw+UWKbSQ0Isj2UFL7fHKvmqWKVTL98sRzvI3 seNC4DCCBYYwggRuoAMCAQICEzMAAMamAkocC+WQNPgAAAAAxqYwDQYJKoZIhvcNAQEFBQAweTEL MAkGA1UEBhMCVVMxCzAJBgNVBAgTAkNBMRQwEgYDVQQHEwtTYW50YSBDbGFyYTEaMBgGA1UEChMR SW50ZWwgQ29ycG9yYXRpb24xKzApBgNVBAMTIkludGVsIEV4dGVybmFsIEJhc2ljIElzc3Vpbmcg Q0EgNEEwHhcNMTgxMDE3MTgxODQzWhcNMTkxMDEyMTgxODQzWjBHMRowGAYDVQQDExFEZXJyaWNr LCBKb25hdGhhbjEpMCcGCSqGSIb3DQEJARYaam9uYXRoYW4uZGVycmlja0BpbnRlbC5jb20wggEi MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCjUTRFAcK/fny1Eh3T7Q0iD+MSCPo7ZnIoW/hI /jifxPTtccOjZgp1NsXP5uPvpZERSz/VK5pyHJ5H0YZhkP17F4Ccdap2yL3cmfBwBNUeyNUsQ9AL 1kBq1JfsUb+VDAEYwXLAY7Yuame4VsqAU24ZqQ1FOee+a1sPRPnJwfdtbJDP6qtS2sLMlahOlMrz s64sbhqEEXyCKujbQdpMupaSkBIqBsOXpqKgFZJrD1A/ZC5jE4SF27Y98C6FOfrA7VGDdX5lxwH0 PNauajAtxgRKfqfSMb+IcL/VXiPtVZOxVq+CTZeDJkaEmn/79vg8OYxpR+YhFF+tGlKf/Zc4id1P AgMBAAGjggI3MIICMzAdBgNVHQ4EFgQU4oawcWXM1cPGdwGcIszDfjORVZAwHwYDVR0jBBgwFoAU HmkqtNwo/kcYTiELP7ysES/wmPUwZQYDVR0fBF4wXDBaoFigVoZUaHR0cDovL3d3dy5pbnRlbC5j b20vcmVwb3NpdG9yeS9DUkwvSW50ZWwlMjBFeHRlcm5hbCUyMEJhc2ljJTIwSXNzdWluZyUyMENB JTIwNEEuY3JsMIGfBggrBgEFBQcBAQSBkjCBjzBpBggrBgEFBQcwAoZdaHR0cDovL3d3dy5pbnRl bC5jb20vcmVwb3NpdG9yeS9jZXJ0aWZpY2F0ZXMvSW50ZWwlMjBFeHRlcm5hbCUyMEJhc2ljJTIw SXNzdWluZyUyMENBJTIwNEEuY3J0MCIGCCsGAQUFBzABhhZodHRwOi8vb2NzcC5pbnRlbC5jb20v MAsGA1UdDwQEAwIHgDA8BgkrBgEEAYI3FQcELzAtBiUrBgEEAYI3FQiGw4x1hJnlUYP9gSiFjp9T gpHACWeB3r05lfBDAgFkAgEJMB8GA1UdJQQYMBYGCCsGAQUFBwMEBgorBgEEAYI3CgMMMCkGCSsG AQQBgjcVCgQcMBowCgYIKwYBBQUHAwQwDAYKKwYBBAGCNwoDDDBRBgNVHREESjBIoCoGCisGAQQB gjcUAgOgHAwaam9uYXRoYW4uZGVycmlja0BpbnRlbC5jb22BGmpvbmF0aGFuLmRlcnJpY2tAaW50 ZWwuY29tMA0GCSqGSIb3DQEBBQUAA4IBAQBxGkHe05DNpYel4b9WbbyQqD1G6y6YA6C93TjKULZi p8+gO1LL096ixD44+frVm3jtXMikoadRHQJmBJdzsCywNE1KgtrYF0k4zRWr7a28nyfGgQe4UHHD 7ARyZFeGd7AKSQ1y4/LU57I2Aw2HKx9/PXavv1JXjjO2/bqTfnZDJTQmOQ0nvlO3/gvbbABxZHqz NtfHZsQWS7s+Elk2xGUQ0Po2pMCQoaPo9R96mm+84UP9q3OvSqMoaZwfzoUeAx2wGJYl0h3S+ABr CPVfCgq9qnmVCn5DyHWE3V/BRjJCoILLBLxAxnmSdH4pF6wJ6pYRLEw9qoyNhpzGUIJU/Lk1MYIC FzCCAhMCAQEwgZAweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAkNBMRQwEgYDVQQHEwtTYW50YSBD bGFyYTEaMBgGA1UEChMRSW50ZWwgQ29ycG9yYXRpb24xKzApBgNVBAMTIkludGVsIEV4dGVybmFs IEJhc2ljIElzc3VpbmcgQ0EgNEECEzMAAMamAkocC+WQNPgAAAAAxqYwCQYFKw4DAhoFAKBdMBgG CSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTE5MDIwNzE1MDkyN1owIwYJ KoZIhvcNAQkEMRYEFCEIt8tTskRC87Ra0iCIM3xNBeuDMA0GCSqGSIb3DQEBAQUABIIBAHHfqgWT 9qoNXa/9UCeousisc6Jns7r5VavaQ+EvlTyR7nKk+83so7tyd6XxaPy0iO6cRX/VcE4LIRmSl5tH mH3x8J09jaNsAd2eWV6CUtpeE5FJSgbJp8YlwLVKFTtygtJR6ZIJEPm+MTG10b3i3RLqeentAZl/ RR0fbh+NMnAYZbqwthG9wxzpUAQLZnN+fMrWglLxbC2oixuaoQZUEWsNLJLe7t+jmKkFjxvd7/UM fUYjnI91B1yv9V6TGa6ZBxLhDx9HJmC83Sn19h4zvIS4k4rqm+XKFoNDR5OvtMBCLEma0KtBj6ck cjBJpEKhvV82YIj3JsVj0UnP2VAtoygAAAAAAAA= --=-+04qOeyhM/wKJSvZp5vj--