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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 CEF87C433DF for ; Tue, 9 Jun 2020 15:42:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B27FC20774 for ; Tue, 9 Jun 2020 15:42:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730732AbgFIPmi (ORCPT ); Tue, 9 Jun 2020 11:42:38 -0400 Received: from verein.lst.de ([213.95.11.211]:43050 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730902AbgFIPmd (ORCPT ); Tue, 9 Jun 2020 11:42:33 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id EAA0968B02; Tue, 9 Jun 2020 17:42:30 +0200 (CEST) Date: Tue, 9 Jun 2020 17:42:30 +0200 From: Christoph Hellwig To: Michael Ellerman Cc: brking@us.ibm.com, Christoph Hellwig , Jens Axboe , linux-scsi@vger.kernel.org, LKML , linuxppc-dev@lists.ozlabs.org, linux-block@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: ipr crashes due to NULL dma_need_drain since cc97923a5bcc ("block: move dma drain handling to scsi") Message-ID: <20200609154230.GA18426@lst.de> References: <87zh9cftj0.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87zh9cftj0.fsf@mpe.ellerman.id.au> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Can you try this patch? --- >From 1c9913360a0494375c5655b133899cb4323bceb4 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 9 Jun 2020 14:07:31 +0200 Subject: scsi: wire up ata_scsi_dma_need_drain for SAS HBA drivers We need ata_scsi_dma_need_drain for all drivers wired up to drive ATAPI devices through libata. That also includes the SAS HBA drivers in addition to native libata HBA drivers. Fixes: cc97923a5bcc ("block: move dma drain handling to scsi") Reported-by: Michael Ellerman Signed-off-by: Christoph Hellwig --- drivers/scsi/aic94xx/aic94xx_init.c | 1 + drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 1 + drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 1 + drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 1 + drivers/scsi/ipr.c | 1 + drivers/scsi/isci/init.c | 1 + drivers/scsi/mvsas/mv_init.c | 1 + drivers/scsi/pm8001/pm8001_init.c | 1 + 8 files changed, 8 insertions(+) diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index d022407e5645c7..bef47f38dd0dbc 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -40,6 +40,7 @@ static struct scsi_host_template aic94xx_sht = { /* .name is initialized */ .name = "aic94xx", .queuecommand = sas_queuecommand, + .dma_need_drain = ata_scsi_dma_need_drain, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, .scan_finished = asd_scan_finished, diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 2e1718f9ade218..09a7669dad4c67 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1756,6 +1756,7 @@ static struct scsi_host_template sht_v1_hw = { .proc_name = DRV_NAME, .module = THIS_MODULE, .queuecommand = sas_queuecommand, + .dma_need_drain = ata_scsi_dma_need_drain, .target_alloc = sas_target_alloc, .slave_configure = hisi_sas_slave_configure, .scan_finished = hisi_sas_scan_finished, diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index e7e7849a4c14e2..968d3870235359 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -3532,6 +3532,7 @@ static struct scsi_host_template sht_v2_hw = { .proc_name = DRV_NAME, .module = THIS_MODULE, .queuecommand = sas_queuecommand, + .dma_need_drain = ata_scsi_dma_need_drain, .target_alloc = sas_target_alloc, .slave_configure = hisi_sas_slave_configure, .scan_finished = hisi_sas_scan_finished, diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 3e6b78a1f993b9..55e2321a65bc5f 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -3075,6 +3075,7 @@ static struct scsi_host_template sht_v3_hw = { .proc_name = DRV_NAME, .module = THIS_MODULE, .queuecommand = sas_queuecommand, + .dma_need_drain = ata_scsi_dma_need_drain, .target_alloc = sas_target_alloc, .slave_configure = hisi_sas_slave_configure, .scan_finished = hisi_sas_scan_finished, diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 7d77997d26d457..7d86f4ca266c86 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -6731,6 +6731,7 @@ static struct scsi_host_template driver_template = { .compat_ioctl = ipr_ioctl, #endif .queuecommand = ipr_queuecommand, + .dma_need_drain = ata_scsi_dma_need_drain, .eh_abort_handler = ipr_eh_abort, .eh_device_reset_handler = ipr_eh_dev_reset, .eh_host_reset_handler = ipr_eh_host_reset, diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 974c3b9116d5ba..085e285f427d93 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -153,6 +153,7 @@ static struct scsi_host_template isci_sht = { .name = DRV_NAME, .proc_name = DRV_NAME, .queuecommand = sas_queuecommand, + .dma_need_drain = ata_scsi_dma_need_drain, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, .scan_finished = isci_host_scan_finished, diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 5973eed9493820..b0de3bdb01db06 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -33,6 +33,7 @@ static struct scsi_host_template mvs_sht = { .module = THIS_MODULE, .name = DRV_NAME, .queuecommand = sas_queuecommand, + .dma_need_drain = ata_scsi_dma_need_drain, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, .scan_finished = mvs_scan_finished, diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index a8f5344fdfda2a..9e99262a2b9dd3 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -87,6 +87,7 @@ static struct scsi_host_template pm8001_sht = { .module = THIS_MODULE, .name = DRV_NAME, .queuecommand = sas_queuecommand, + .dma_need_drain = ata_scsi_dma_need_drain, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, .scan_finished = pm8001_scan_finished, -- 2.26.2