From patchwork Tue Aug 1 11:40:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 13336564 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB9A6C0015E for ; Tue, 1 Aug 2023 11:41:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234323AbjHALl2 (ORCPT ); Tue, 1 Aug 2023 07:41:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39556 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234340AbjHALlZ (ORCPT ); Tue, 1 Aug 2023 07:41:25 -0400 Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A82CB1716 for ; Tue, 1 Aug 2023 04:41:23 -0700 (PDT) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 371AacDP014807 for ; Tue, 1 Aug 2023 04:41:22 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=n4BAmTAA/H8cVXtQH66tNuB5ydtzsVQpvOUwQwWRH+4=; b=CFYr/WHTd31fLO8jVp3bqK3gpDFD7EUbs4RX0lSWaTPw02dEjptaq7voINpD6Rdv9CH0 gbS3UmT63u7leuOfNXomCJoHlvYSUP/Fsj++kBIUGeFPgpQgI/z00SkNv9qHPtjRibG1 Tt2Aj2EVgz+1T+8gNBew1wfSFa5mvs3fyPnAMp83Oi4xWqhn2idfHRNtRcAzsrGsULou RF94Bf4eXJMX9G0Xe+3+Y9NF44clNWHJxG0O0MPAHnp7MnJIa3V7CryOtFUTzSGptocl tS7cwcTFdqdu2H6uCLNM4VWvSr+iP8g5sw/ioT3K7dhzjWZ/fvuYMbCLbin++5Chwvvi PA== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3s529k8e4c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Tue, 01 Aug 2023 04:41:22 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Tue, 1 Aug 2023 04:41:20 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Tue, 1 Aug 2023 04:41:20 -0700 Received: from localhost.marvell.com (unknown [10.30.46.195]) by maili.marvell.com (Postfix) with ESMTP id 7DBA93F70D7; Tue, 1 Aug 2023 04:41:16 -0700 (PDT) From: Nilesh Javali To: CC: , , , Subject: [PATCH 07/10] qla2xxx: Observed call trace in smp_processor_id() Date: Tue, 1 Aug 2023 17:10:54 +0530 Message-ID: <20230801114057.27039-8-njavali@marvell.com> X-Mailer: git-send-email 2.23.1 In-Reply-To: <20230801114057.27039-1-njavali@marvell.com> References: <20230801114057.27039-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: q9zUPcFVvb86lucvMqfjb6LVXQJceSCX X-Proofpoint-ORIG-GUID: q9zUPcFVvb86lucvMqfjb6LVXQJceSCX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-01_06,2023-08-01_01,2023-05-22_02 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Bikash Hazarika Following Call Trace was observed, localhost kernel: nvme nvme0: NVME-FC{0}: controller connect complete localhost kernel: BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u129:4/75092 localhost kernel: nvme nvme0: NVME-FC{0}: new ctrl: NQN "nqn.1992-08.com.netapp:sn.b42d198afb4d11ecad6d00a098d6abfa:subsystem.PR_Channel2022_RH84_subsystem_291" localhost kernel: caller is qla_nvme_post_cmd+0x216/0x1380 [qla2xxx] localhost kernel: CPU: 6 PID: 75092 Comm: kworker/u129:4 Kdump: loaded Tainted: G B W OE --------- --- 5.14.0-70.22.1.el9_0.x86_64+debug #1 localhost kernel: Hardware name: HPE ProLiant XL420 Gen10/ProLiant XL420 Gen10, BIOS U39 01/13/2022 localhost kernel: Workqueue: nvme-wq nvme_async_event_work [nvme_core] localhost kernel: Call Trace: localhost kernel: dump_stack_lvl+0x57/0x7d localhost kernel: check_preemption_disabled+0xc8/0xd0 localhost kernel: qla_nvme_post_cmd+0x216/0x1380 [qla2xxx] Use raw_smp_processor_id api instead of smp_processor_id Cc: stable@vger.kernel.org Signed-off-by: Bikash Hazarika Signed-off-by: Nilesh Javali Reviewed-by: Himanshu Madhani Reviewed-by: Himanshu Madhani --- drivers/scsi/qla2xxx/qla_inline.h | 2 +- drivers/scsi/qla2xxx/qla_isr.c | 6 +++--- drivers/scsi/qla2xxx/qla_target.c | 2 +- drivers/scsi/qla2xxx/tcm_qla2xxx.c | 4 ++-- 4 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index 0556969f6dc1..a4a56ab0ba74 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -577,7 +577,7 @@ fcport_is_bigger(fc_port_t *fcport) static inline struct qla_qpair * qla_mapq_nvme_select_qpair(struct qla_hw_data *ha, struct qla_qpair *qpair) { - int cpuid = smp_processor_id(); + int cpuid = raw_smp_processor_id(); if (qpair->cpuid != cpuid && ha->qp_cpu_map[cpuid]) { diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index e98788191897..01fc300d640f 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3965,7 +3965,7 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha, if (!ha->flags.fw_started) return; - if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) { + if (rsp->qpair->cpuid != raw_smp_processor_id() || !rsp->qpair->rcv_intr) { rsp->qpair->rcv_intr = 1; if (!rsp->qpair->cpu_mapped) @@ -4468,7 +4468,7 @@ qla2xxx_msix_rsp_q(int irq, void *dev_id) } ha = qpair->hw; - queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); + queue_work_on(raw_smp_processor_id(), ha->wq, &qpair->q_work); return IRQ_HANDLED; } @@ -4494,7 +4494,7 @@ qla2xxx_msix_rsp_q_hs(int irq, void *dev_id) wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT); spin_unlock_irqrestore(&ha->hardware_lock, flags); - queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work); + queue_work_on(raw_smp_processor_id(), ha->wq, &qpair->q_work); return IRQ_HANDLED; } diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 2b815a9928ea..9278713c3021 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -4425,7 +4425,7 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, queue_work_on(cmd->se_cmd.cpuid, qla_tgt_wq, &cmd->work); } else if (ha->msix_count) { if (cmd->atio.u.isp24.fcp_cmnd.rddata) - queue_work_on(smp_processor_id(), qla_tgt_wq, + queue_work_on(raw_smp_processor_id(), qla_tgt_wq, &cmd->work); else queue_work_on(cmd->se_cmd.cpuid, qla_tgt_wq, diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 3b5ba4b47b3b..9566f0384353 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -310,7 +310,7 @@ static void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd *cmd) cmd->trc_flags |= TRC_CMD_DONE; INIT_WORK(&cmd->work, tcm_qla2xxx_complete_free); - queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work); + queue_work_on(raw_smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work); } /* @@ -547,7 +547,7 @@ static void tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd) cmd->trc_flags |= TRC_DATA_IN; cmd->cmd_in_wq = 1; INIT_WORK(&cmd->work, tcm_qla2xxx_handle_data_work); - queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work); + queue_work_on(raw_smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work); } static int tcm_qla2xxx_chk_dif_tags(uint32_t tag)