From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1576849-1517682579-2-15413849927290697758 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org', XOriginatingCountry='US' X-Spam-charsets: plain='iso-8859-1' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1517682579; b=jcc4HJfwAxkyJqtnvloiW+gvx3V7xOjQNgEXlEl9J1y1obk eWXBOi6t44i+jWW/JKODndb+O8xJtSjskYVzFjNt2EbV+yD2ZyPyb5v8My4cMzTp GuINU+Mzzxe23ncQyIiBzW5TCvlaKTb5uH/h9IheAW1CcWi7JuQJdrfRiRNDqECC 5xyy5U5hVb3H2tLRfMVNjgXZMXw6ye3/F85iVSChPlwssdc4yms6nFTy6XoNq2Xr U5Ktc9lZ7DOJ5e+kTIEV+BpBAah4aDPPY+AdWyNfKCaa2HEBe25j9C+b0QVLXsjv /i052mPN4HsVopK/nHjUcl5KNrB2zkV5dHGtxkA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :references:in-reply-to:content-type:content-transfer-encoding :mime-version:sender:list-id; s=arctest; t=1517682579; bh=iLOm4T wqxPRrsuxXviozEtK9AQNRJx4sgHPnRbefCCU=; b=RIBjWWnf9BDJPtQK0E/98a bp9+lncnSznBlVsNQBptcVMMPqU+bv8BrmhGBPiQpLQNalYfn2eBQuePCcGVTEK8 XgKOQPmeBTHh1ADRHDKxfcgE1+szJME238uSmmC295JqMDRP7t5FpnVSAjjVbWvL s09ShYFYVOUcyng9xIEsvwLFb124al3kf5JYIZ5kpc4gA4SKMeJ4UnpdbDFI7T7B 5PnecRg8rqh8BOmW8LhOPBqCRNSkC+rkabZypDeGv0/R9ltfWd341DcE+vf6bJBE 14OK4GnuvoYyAc8PZdGbqcmXvEqDz9M2xOKh4vGE2AQsHKIg6b7+o4+XaBivyswA == ARC-Authentication-Results: i=1; mx2.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=RxJFn0fM x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Authentication-Results: mx2.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=RxJFn0fM x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754652AbeBCS30 (ORCPT ); Sat, 3 Feb 2018 13:29:26 -0500 Received: from mail-bl2nam02on0113.outbound.protection.outlook.com ([104.47.38.113]:13185 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753042AbeBCSE3 (ORCPT ); Sat, 3 Feb 2018 13:04:29 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Yangbo Lu , "David S . Miller" , Sasha Levin Subject: [PATCH AUTOSEL for 4.14 107/110] net: gianfar_ptp: move set_fipers() to spinlock protecting area Thread-Topic: [PATCH AUTOSEL for 4.14 107/110] net: gianfar_ptp: move set_fipers() to spinlock protecting area Thread-Index: AQHTnRkHh4LV42k8j0yfji4hajZK0Q== Date: Sat, 3 Feb 2018 18:01:34 +0000 Message-ID: <20180203180015.29073-107-alexander.levin@microsoft.com> References: <20180203180015.29073-1-alexander.levin@microsoft.com> In-Reply-To: <20180203180015.29073-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;BL0PR2101MB0993;7:sXFvkxCDRq383VAeLoPAM+YCiDd2DKAdbTygXhl6B5kYCYdZSdLbpKrho0F6KALVIo4SOmtIVr2D25w7IgeUl2oxnMYv5ziHIp/l3Vdmd+h0l8bgYtvWA0+YVm2FxkvoOmxwA57UODBcgzObDyHt45dH60JKoPvxFrWA10qzLuOffUwWCHLdjRWJyhSasv8g492TskrJajA8ooYhFB3YfM/WI1/Ut7he/DZVUMpvYBwxAL82UbMbg4Sz25ShZO2C x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 5cc070e6-246e-4975-d3b4-08d56b30595d x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(4534165)(4627221)(201703031133081)(201702281549075)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:BL0PR2101MB0993; x-ms-traffictypediagnostic: BL0PR2101MB0993: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171)(185117386973197)(85827821059158); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(61425038)(6040501)(2401047)(5005006)(8121501046)(3002001)(10201501046)(3231101)(2400082)(944501161)(93006095)(93001095)(6055026)(61426038)(61427038)(6041288)(20161123558120)(20161123560045)(20161123564045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123562045)(6072148)(201708071742011);SRVR:BL0PR2101MB0993;BCL:0;PCL:0;RULEID:;SRVR:BL0PR2101MB0993; x-forefront-prvs: 05724A8921 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(346002)(39380400002)(39860400002)(376002)(366004)(396003)(189003)(199004)(6436002)(186003)(3660700001)(8936002)(105586002)(2906002)(6346003)(6116002)(3280700002)(3846002)(97736004)(6486002)(1076002)(2950100002)(6666003)(81156014)(86362001)(76176011)(102836004)(2501003)(5250100002)(26005)(68736007)(10090500001)(81166006)(8676002)(59450400001)(53936002)(5660300001)(22452003)(305945005)(107886003)(7736002)(4326008)(86612001)(36756003)(99286004)(316002)(6512007)(8656006)(10290500003)(72206003)(6506007)(14454004)(478600001)(25786009)(106356001)(2900100001)(54906003)(110136005)(66066001)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:BL0PR2101MB0993;H:BL0PR2101MB1027.namprd21.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-message-info: KIqbYHMsVEl5pcbNS9qAHoy+2HM/SZoTARoQ9ecjcHeiKiNnoXvNedcgdmpo8gGjyrizW1sA7eUbHTirc/+FMA== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5cc070e6-246e-4975-d3b4-08d56b30595d X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Feb 2018 18:01:34.6752 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR2101MB0993 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Yangbo Lu [ Upstream commit 11d827a993a969c3c6ec56758ff63a44ba19b466 ] set_fipers() calling should be protected by spinlock in case that any interrupt breaks related registers setting and the function we expect. This patch is to move set_fipers() to spinlock protecting area in ptp_gianfar_adjtime(). Signed-off-by: Yangbo Lu Acked-by: Richard Cochran Reviewed-by: Fabio Estevam Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/freescale/gianfar_ptp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/eth= ernet/freescale/gianfar_ptp.c index 544114281ea7..9f8d4f8e57e3 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -319,11 +319,10 @@ static int ptp_gianfar_adjtime(struct ptp_clock_info = *ptp, s64 delta) now =3D tmr_cnt_read(etsects); now +=3D delta; tmr_cnt_write(etsects, now); + set_fipers(etsects); =20 spin_unlock_irqrestore(&etsects->lock, flags); =20 - set_fipers(etsects); - return 0; } =20 --=20 2.11.0