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=-10.0 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 autolearn=unavailable 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 15BB1C433E3 for ; Wed, 22 Jul 2020 14:55:14 +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 C0927207CD for ; Wed, 22 Jul 2020 14:55:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SoVm+Dtp"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=marvell.com header.i=@marvell.com header.b="MjhfU9Nt"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=marvell.onmicrosoft.com header.i=@marvell.onmicrosoft.com header.b="t12xrwfT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C0927207CD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=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:MIME-Version:Content-ID:In-Reply-To:References: Message-ID:Date:Subject:To:From:Reply-To:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kcfixh/gui1obBejNUplXp+5V90VNIxdO1p0b7ggNA8=; b=SoVm+Dtpl550NlxKmEvp/i+4A EjfJTMAHi14rtJvdgoT8aKOcTFqDtqSEKmiDYGPd+wxVRvtUYTz/+4FJRPb10JgRgcc44JZcIgo0r NOTeaszOLasC553uoji3cLDtPVotOdF84HcKhIjgjq9ri8W01KLUodN4kGxbrIX3nJVu2QKoyryIJ oVNlDr1JtucpDoSoxUFkXaydSfGRizaJbKS01CyLJ+U2Es3Z9ziEX14QsTX1bDgZv0xumsTjcig2Q 5evgc9wuVbBMCZhqkLdkVbsp/hO0vHFssorRRuGj/+wIYAhxYHdUdH6FyITPZpc3qk01E8ZwVv7yG 8C1b1kXqw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jyG7o-0000SW-Qg; Wed, 22 Jul 2020 14:53:40 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jyG7l-0000RY-1E for linux-arm-kernel@lists.infradead.org; Wed, 22 Jul 2020 14:53:38 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06MEnMNS012667; Wed, 22 Jul 2020 07:53:03 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=pfpt0818; bh=rlCXkoep0UYBt/xn1VMY0GqZr1LqNLBz/I0H/s5wz4E=; b=MjhfU9Nt2ufW+1bfPMrlXZJGKuncVotU/GzcLWmzZ7Uv4uM6yU+QmPeQcXcYKW5UGGyQ nugjHB+qlZ8ldo2nDj6ej+m2FiLdwhW3JGN1TscRDzTBrvMz/evpyP/0NvglaBgOSUhV HhNe3u3yUPdNnBE81Gl00gfltG4pZmwKhb7wi6rf49LsNTDPpoXtvDeLkR0xDLC9eILT Y6qaO667jdpuU5Paj2wiysbjFYxbOpjtzJwugfVHYHB9e0FndUgYWvdJbZxRsmyeKMXQ 77QiCSl862lNwop8qne9viVEc6j41dotFdDf4JkRU7X4DfziYvGusQfJPdkGuOSfrFO8 YQ== Received: from sc-exch01.marvell.com ([199.233.58.181]) by mx0b-0016f401.pphosted.com with ESMTP id 32c0kkrb3k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 22 Jul 2020 07:53:03 -0700 Received: from SC-EXCH04.marvell.com (10.93.176.84) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Jul 2020 07:53:01 -0700 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (104.47.59.175) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Frontend Transport; Wed, 22 Jul 2020 07:53:01 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=fk5un9GZrx5RJVEdctPysT0WIHSlBjlHLuVrMrX/ukc3oAq0UyBRXANFYlmTcK7ut+eBk4235J35gEcbV5jg+ElNH4HIZcnqeSbGVSCCYYjyWIA3ell7iBVpfd66fX7ZbmkKdHTtV4yk/YrmFCntw9txhLlAko84Ds2x1AfMaVS2OSvLWJqLr9F2kPlzubPs9ceouU8vPpR7xfkt/vl0jugTjfmvn2Nnf/BgW1OpJBHgBZpq4nn8wxnFLXrbVmV9PmAAYzv4VpdCptB2CBJzdzJhyxMsE0gmim4SQsrHeMCXcbG5DDQjbw4iQJdN7vcelBeYaCeQ2/4iSN1Vl7Rrpw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=rlCXkoep0UYBt/xn1VMY0GqZr1LqNLBz/I0H/s5wz4E=; b=S/vjIW3Wy4zB00bS7ScmOrd92/94o8VnBYP0w4bxIGntKrDuPCfs+ZcgZVlH8XmzULBRsMc2mvT5OxmigSHuAA9AYqqZuK+zcXOFRKl0ZTfSCbafkBiFq1LGTHifkg6oI5CITJojOwKGZKwGxxZpWpcJwC6ac6fYcjB+o8q7U4a4GWkChjJObUvYzfT8XGNKh+X82fGVtRrR1PK9Pa3+w3cCBaBiKCFth+1UC7xNPHrlUYYCUN4djvd9+8ENF5Ku5Y55rAaOvgBpZVqA4jFQGp1/h0cH+iaXdjll98tvYzj8cgabwrMeYQWaC3fXtj4px88/i8O42ysfB+4bNlwzXQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=marvell.com; dmarc=pass action=none header.from=marvell.com; dkim=pass header.d=marvell.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.onmicrosoft.com; s=selector1-marvell-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=rlCXkoep0UYBt/xn1VMY0GqZr1LqNLBz/I0H/s5wz4E=; b=t12xrwfTxsDqP45/4k5EgaU0k3ATC3mqRoEVR5qNqn/AxqdwS5ZmcCaU94jiqKxzEiImfp6b+UrWrZA2mB59DGAK/C2/hUiP67EC45Bc6SaDkqo3JYKxO63Vng6a061x233Sf+fjHRZZ9AK0KSX/uoVIbjE3/TwX/Z4hiHRyG2M= Received: from MW2PR18MB2267.namprd18.prod.outlook.com (2603:10b6:907:3::11) by MW2PR18MB2156.namprd18.prod.outlook.com (2603:10b6:907:a::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3195.24; Wed, 22 Jul 2020 14:53:00 +0000 Received: from MW2PR18MB2267.namprd18.prod.outlook.com ([fe80::b9a6:a3f2:2263:dc32]) by MW2PR18MB2267.namprd18.prod.outlook.com ([fe80::b9a6:a3f2:2263:dc32%4]) with mapi id 15.20.3195.026; Wed, 22 Jul 2020 14:53:00 +0000 From: Alex Belits To: "frederic@kernel.org" , "rostedt@goodmis.org" Subject: [PATCH 06/13] task_isolation: Add driver-specific hooks Thread-Topic: [PATCH 06/13] task_isolation: Add driver-specific hooks Thread-Index: AQHWYDfLEWm/FvU9QkyARg4LLZWHYw== Date: Wed, 22 Jul 2020 14:53:00 +0000 Message-ID: References: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> In-Reply-To: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=marvell.com; x-originating-ip: [173.228.7.197] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 941caea6-85ae-48c4-c967-08d82e4eedac x-ms-traffictypediagnostic: MW2PR18MB2156: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1265; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: e+/lkENi//xP0xCnYw/iMnLdYw/4LHjp/pHNBdvRUrZIfi4Eu8cPrGkcN0MZd3c6ho0KeZHeHveR7V9Z6/WMydBP/teOVeS4Swh+x4XgqNiu+MuSH3ksEfKJ3M7vIIPtZkvjhTQtVRjIOj5PSpYGeEar+awDwVXOc85ytuwb4tPIF6/0wv7vMpf+CdB2N+8tTb3yQGtparWOe0cZeQrSB0Utomq3+Rrg7cq+MrxkXPLI/yENZGSmJDVxUOw/ILDV2zQuAH5X+WH0XL1WcCBCnhYkOVlyWxPMqMnFTIG2yHLGA/psvVK5e3N9PK4SgdcG x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MW2PR18MB2267.namprd18.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(39860400002)(366004)(376002)(396003)(136003)(346002)(110136005)(6486002)(2906002)(6506007)(54906003)(66476007)(478600001)(6512007)(8936002)(2616005)(8676002)(316002)(4326008)(66946007)(186003)(64756008)(86362001)(83380400001)(76116006)(91956017)(5660300002)(66446008)(36756003)(66556008)(26005)(71200400001)(7416002); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata: ierTVGVynEljc2zjIfdxUxy1AnLyVWKAspNPOj6U+tUY+NtiNXpGkBQNen/J02bZPvjDT/7PkL6B3mFmN85pXPNGg/G3LH88VA/ecEksHEOS6t7VCto0M+Bq5Wt5Ke5eiUquQWy/X4dm/LeTGrqO2XNqfT09a9CcDg7nsEsNtIXiusd3XzlwfmEwtriT+LPBoSuVBybD+puZS/M31en1FXlr1uerCXmPN0e6TEE1v6vfcAknMpdIP2ZRNEsgdMaHqiHS/6XKMcWW3KqsO8iKCvZ9ydOT578yiTQcEwGR9g95NEV2qurdgO9Wa5WMIWIAvGjRckqVu4qAbGuMOAMbhUiFbFzz9flHA9znmYe4VtdbOVVvqGmwIpQrDs/TehbksfeJ57wKqsHjxJ7V8+0MilrK6/woLQKPL27MDwbUKxNMS5RtkzqcH7fFxJo3rUZO+r0kH6DKLYwK/ocy1cw/7Ea56d7ev8wNbmGV/vHdgkI= Content-ID: <29DE6F6283742246B93D47862FFA4D3C@namprd18.prod.outlook.com> MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW2PR18MB2267.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 941caea6-85ae-48c4-c967-08d82e4eedac X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jul 2020 14:53:00.1246 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: i6spHPWJA0C7NEFTOGUFpdp3ix0iQwF+RWr2Ma5BSII6XObz4fXOkBST2aIuddXSgebnWAvBPHsoTJ8ZBT2BYQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR18MB2156 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-22_08:2020-07-22, 2020-07-22 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200722_105337_137006_1AE4EECC X-CRM114-Status: GOOD ( 18.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-arch@vger.kernel.org" , "catalin.marinas@arm.com" , "peterz@infradead.org" , Prasun Kapoor , "linux-kernel@vger.kernel.org" , "davem@davemloft.net" , "netdev@vger.kernel.org" , "linux-api@vger.kernel.org" , "tglx@linutronix.de" , "will@kernel.org" , "mingo@kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some drivers don't call functions that call task_isolation_kernel_enter() in interrupt handlers. Call it directly. Signed-off-by: Alex Belits --- drivers/irqchip/irq-armada-370-xp.c | 6 ++++++ drivers/irqchip/irq-gic-v3.c | 3 +++ drivers/irqchip/irq-gic.c | 3 +++ drivers/s390/cio/cio.c | 3 +++ 4 files changed, 15 insertions(+) diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index c9bdc5221b82..df7f2cce3a54 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -473,6 +474,7 @@ static const struct irq_domain_ops armada_370_xp_mpic_irq_ops = { static void armada_370_xp_handle_msi_irq(struct pt_regs *regs, bool is_chained) { u32 msimask, msinr; + int isol_entered = 0; msimask = readl_relaxed(per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS) @@ -489,6 +491,10 @@ static void armada_370_xp_handle_msi_irq(struct pt_regs *regs, bool is_chained) continue; if (is_chained) { + if (!isol_entered) { + task_isolation_kernel_enter(); + isol_entered = 1; + } irq = irq_find_mapping(armada_370_xp_msi_inner_domain, msinr - PCI_MSI_DOORBELL_START); generic_handle_irq(irq); diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index cc46bc2d634b..be0e0ffa0fb7 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -629,6 +630,8 @@ static asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs { u32 irqnr; + task_isolation_kernel_enter(); + irqnr = gic_read_iar(); if (gic_supports_nmi() && diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index c17fabd6741e..fde547a31566 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include #include @@ -353,6 +354,8 @@ static void __exception_irq_entry gic_handle_irq(struct pt_regs *regs) struct gic_chip_data *gic = &gic_data[0]; void __iomem *cpu_base = gic_data_cpu_base(gic); + task_isolation_kernel_enter(); + do { irqstat = readl_relaxed(cpu_base + GIC_CPU_INTACK); irqnr = irqstat & GICC_IAR_INT_ID_MASK; diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 6d716db2a46a..beab88881b6d 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -584,6 +585,8 @@ void cio_tsch(struct subchannel *sch) struct irb *irb; int irq_context; + task_isolation_kernel_enter(); + irb = this_cpu_ptr(&cio_irb); /* Store interrupt response block to lowcore. */ if (tsch(sch->schid, irb) != 0) -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel