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From: Bart Van Assche <bvanassche@acm.org>
To: "Martin K . Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org, Bart Van Assche <bvanassche@acm.org>
Subject: [PATCH 00/36] Enable lock context analysis for most SCSI drivers
Date: Thu, 12 Mar 2026 14:15:11 -0700	[thread overview]
Message-ID: <20260312211636.3245119-1-bvanassche@acm.org> (raw)

Hi Martin,

This patch series enables lock context analysis for most SCSI drivers. The
advantages are as follows:
 - The compiler (only Clang) verifies whether the lock and unlock calls match
   what has been declared via __must_hold(), __acquires() or __releases().
   This is useful for catching locking bugs in error paths.
 - Support for __guarded_by() is enabled. If a member variable is annotated
   with __guarded_by(lock), the compiler will issue a warning if that member
   variable is accessed without holding 'lock'.

More information about lock context analysis is available in the cover letter of
[PATCH v5 00/36] Compiler-Based Context- and Locking-Analysis
(https://lore.kernel.org/lkml/20251219154418.3592607-1-elver@google.com/).

Please consider this patch series for the next merge window.

Thanks,

Bart.

Bart Van Assche (36):
  scsi: core: Prepare for enabling lock context analysis
  scsi: scsi_debug: Prepare for enabling lock context analysis
  scsi: sg: Prepare for enabling lock context analysis
  scsi: st: Prepare for enabling lock context analysis
  scsi: BusLogic: Introduce a local variable
  scsi: BusLogic: Prepare for enabling lock context analysis
  scsi: NCR5380: Prepare for enabling lock context analysis
  scsi: aacraid: Prepare for enabling lock context analysis
  scsi: aha152x: Prepare for enabling lock context analysis
  scsi: aic7xxx: Prepare for enabling lock context analysis
  scsi: be2iscsi: Prepare for enabling lock context analysis
  scsi: bnx2fc: Prepare for enabling lock context analysis
  scsi: bnx2i: Introduce a local variable
  scsi: bnx2i: Prepare for enabling lock context analysis
  scsi: csiostor: Prepare for enabling lock context analysis
  scsi: fnic: Prepare for enabling lock context analysis
  scsi: hpsa: Prepare for enabling lock context analysis
  scsi: ibmvscsi_tgt: Prepare for enabling lock context analysis
  scsi: ipr: Prepare for enabling lock context analysis
  scsi: ips: Prepare for enabling lock context analysis
  scsi: libfc: Prepare for enabling lock context analysis
  scsi: libiscsi: Prepare for enabling lock context analysis
  scsi: libsas: Prepare for enabling lock context analysis
  scsi: lpfc: Prepare for enabling lock context analysis
  scsi: megaraid_sas: Prepare for enabling lock context analysis
  scsi: mvsas: Prepare for enabling lock context analysis
  scsi: pm8001: Prepare for enabling lock context analysis
  scsi: qedi: Prepare for enabling lock context analysis
  scsi: qla1280: Prepare for enabling lock context analysis
  scsi: qla2xxx: Prepare for enabling lock context analysis
  scsi: qla4xxx: Prepare for enabling lock context analysis
  scsi: ufs: Prepare for enabling lock context analysis
  scsi: iSCSI transport: Prepare for enabling lock context analysis
  scsi: smartpqi: Prepare for enabling lock context analysis
  scsi: Enable lock context analysis
  scsi: core: Protect host state changes with the host lock

 drivers/scsi/BusLogic.c                     | 11 +++--
 drivers/scsi/Makefile                       |  1 +
 drivers/scsi/NCR5380.c                      |  4 +-
 drivers/scsi/aacraid/Makefile               |  2 +
 drivers/scsi/aacraid/commctrl.c             |  1 +
 drivers/scsi/aacraid/commsup.c              |  3 ++
 drivers/scsi/aha152x.c                      |  1 +
 drivers/scsi/aic7xxx/Makefile               |  2 +
 drivers/scsi/aic7xxx/aic79xx_osm.h          |  2 +
 drivers/scsi/aic7xxx/aic7xxx_osm.h          |  2 +
 drivers/scsi/aic7xxx/aicasm/Makefile        |  3 ++
 drivers/scsi/aic94xx/Makefile               |  2 +
 drivers/scsi/arcmsr/Makefile                |  2 +
 drivers/scsi/arm/Makefile                   |  2 +
 drivers/scsi/be2iscsi/Makefile              |  2 +
 drivers/scsi/be2iscsi/be_main.c             |  4 ++
 drivers/scsi/bfa/Makefile                   |  3 ++
 drivers/scsi/bnx2fc/Makefile                |  3 ++
 drivers/scsi/bnx2fc/bnx2fc.h                |  5 +-
 drivers/scsi/bnx2fc/bnx2fc_els.c            |  2 +
 drivers/scsi/bnx2fc/bnx2fc_hwi.c            |  3 ++
 drivers/scsi/bnx2fc/bnx2fc_io.c             |  6 ++-
 drivers/scsi/bnx2i/Makefile                 |  3 ++
 drivers/scsi/bnx2i/bnx2i_hwi.c              | 14 ++++--
 drivers/scsi/bnx2i/bnx2i_iscsi.c            |  1 +
 drivers/scsi/csiostor/Makefile              |  2 +
 drivers/scsi/csiostor/csio_hw.c             | 12 +++++
 drivers/scsi/csiostor/csio_lnode.c          |  3 ++
 drivers/scsi/csiostor/csio_rnode.c          |  6 +++
 drivers/scsi/csiostor/csio_scsi.c           |  6 +++
 drivers/scsi/cxgbi/Makefile                 |  3 ++
 drivers/scsi/device_handler/Makefile        |  3 ++
 drivers/scsi/elx/Makefile                   |  1 +
 drivers/scsi/esas2r/Makefile                |  3 ++
 drivers/scsi/fcoe/Makefile                  |  3 ++
 drivers/scsi/fnic/Makefile                  |  3 ++
 drivers/scsi/fnic/fdls_disc.c               | 52 ++++++++++++++++++++-
 drivers/scsi/fnic/fip.c                     |  2 +
 drivers/scsi/fnic/fnic_fcs.c                |  6 +++
 drivers/scsi/fnic/fnic_scsi.c               |  4 ++
 drivers/scsi/hisi_sas/Makefile              |  3 ++
 drivers/scsi/hosts.c                        | 13 ++++--
 drivers/scsi/hpsa.c                         |  2 +-
 drivers/scsi/ibmvscsi/Makefile              |  3 ++
 drivers/scsi/ibmvscsi_tgt/Makefile          |  3 ++
 drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c    |  7 +++
 drivers/scsi/ipr.c                          | 11 +++++
 drivers/scsi/ips.c                          |  1 +
 drivers/scsi/isci/Makefile                  |  3 ++
 drivers/scsi/libfc/Makefile                 |  2 +
 drivers/scsi/libfc/fc_disc.c                |  6 ++-
 drivers/scsi/libfc/fc_exch.c                |  6 +++
 drivers/scsi/libfc/fc_fcp.c                 |  4 ++
 drivers/scsi/libiscsi.c                     | 19 +++++++-
 drivers/scsi/libsas/Makefile                |  2 +
 drivers/scsi/libsas/sas_ata.c               |  2 +-
 drivers/scsi/lpfc/lpfc_els.c                |  2 +
 drivers/scsi/lpfc/lpfc_nportdisc.c          |  1 +
 drivers/scsi/lpfc/lpfc_scsi.c               |  1 +
 drivers/scsi/lpfc/lpfc_sli.c                |  2 +
 drivers/scsi/megaraid/Makefile              |  3 ++
 drivers/scsi/megaraid/megaraid_sas.h        |  9 ++--
 drivers/scsi/megaraid/megaraid_sas_base.c   | 17 +++++--
 drivers/scsi/megaraid/megaraid_sas_fusion.c |  2 +
 drivers/scsi/mpt3sas/Makefile               |  3 ++
 drivers/scsi/mpt3sas/mpt3sas_scsih.c        |  2 +-
 drivers/scsi/mvsas/Makefile                 |  2 +
 drivers/scsi/mvsas/mv_sas.c                 |  7 +++
 drivers/scsi/pcmcia/Makefile                |  2 +
 drivers/scsi/pm8001/Makefile                |  1 +
 drivers/scsi/pm8001/pm80xx_hwi.c            |  2 +
 drivers/scsi/qedf/Makefile                  |  3 ++
 drivers/scsi/qedi/Makefile                  |  3 ++
 drivers/scsi/qedi/qedi_fw.c                 |  1 +
 drivers/scsi/qla1280.c                      | 18 +++++++
 drivers/scsi/qla2xxx/Makefile               |  3 ++
 drivers/scsi/qla2xxx/qla_nx.c               |  2 +
 drivers/scsi/qla2xxx/qla_target.c           | 29 +++++++-----
 drivers/scsi/qla2xxx/qla_tmpl.c             |  1 +
 drivers/scsi/qla4xxx/Makefile               |  3 ++
 drivers/scsi/qla4xxx/ql4_nx.c               |  2 +
 drivers/scsi/qla4xxx/ql4_os.c               |  6 +--
 drivers/scsi/scsi_debug.c                   | 16 +++++++
 drivers/scsi/scsi_lib.c                     |  3 +-
 drivers/scsi/scsi_scan.c                    | 12 +++++
 drivers/scsi/scsi_sysfs.c                   |  7 +--
 drivers/scsi/scsi_transport_iscsi.c         |  1 +
 drivers/scsi/sg.c                           |  1 +
 drivers/scsi/smartpqi/Makefile              |  3 ++
 drivers/scsi/smartpqi/smartpqi_init.c       | 18 +++++++
 drivers/scsi/snic/Makefile                  |  3 ++
 drivers/scsi/st.c                           |  1 +
 drivers/scsi/sym53c8xx_2/Makefile           |  2 +
 drivers/ufs/Makefile                        |  2 +
 drivers/ufs/core/Makefile                   |  2 +
 drivers/ufs/core/ufs-debugfs.c              |  8 +++-
 drivers/ufs/core/ufshcd.c                   | 10 ++++
 drivers/ufs/host/Makefile                   |  2 +
 include/scsi/libiscsi.h                     |  5 +-
 include/scsi/scsi_host.h                    | 25 +++++++---
 100 files changed, 466 insertions(+), 62 deletions(-)


             reply	other threads:[~2026-03-12 21:17 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-12 21:15 Bart Van Assche [this message]
2026-03-12 21:15 ` [PATCH 01/36] scsi: core: Prepare for enabling lock context analysis Bart Van Assche
2026-03-12 21:15 ` [PATCH 02/36] scsi: scsi_debug: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 03/36] scsi: sg: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 04/36] scsi: st: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 05/36] scsi: BusLogic: Introduce a local variable Bart Van Assche
2026-03-26 20:50   ` Khalid Aziz
2026-03-12 21:15 ` [PATCH 06/36] scsi: BusLogic: Prepare for enabling lock context analysis Bart Van Assche
2026-03-26 20:59   ` Khalid Aziz
2026-03-12 21:15 ` [PATCH 07/36] scsi: NCR5380: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 08/36] scsi: aacraid: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 09/36] scsi: aha152x: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 10/36] scsi: aic7xxx: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 11/36] scsi: be2iscsi: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 12/36] scsi: bnx2fc: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 13/36] scsi: bnx2i: Introduce a local variable Bart Van Assche
2026-03-12 21:15 ` [PATCH 14/36] scsi: bnx2i: Prepare for enabling lock context analysis Bart Van Assche
2026-03-12 21:15 ` [PATCH 15/36] scsi: csiostor: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 16/36] scsi: fnic: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 17/36] scsi: hpsa: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 18/36] scsi: ibmvscsi_tgt: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 19/36] scsi: ipr: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 20/36] scsi: ips: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 21/36] scsi: libfc: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 22/36] scsi: libiscsi: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 23/36] scsi: libsas: " Bart Van Assche
2026-03-13  1:35   ` Jason Yan
2026-03-12 21:15 ` [PATCH 24/36] scsi: lpfc: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 25/36] scsi: megaraid_sas: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 26/36] scsi: mvsas: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 27/36] scsi: pm8001: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 28/36] scsi: qedi: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 29/36] scsi: qla1280: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 30/36] scsi: qla2xxx: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 31/36] scsi: qla4xxx: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 32/36] scsi: ufs: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 33/36] scsi: iSCSI transport: " Bart Van Assche
2026-03-12 21:15 ` [PATCH 34/36] scsi: smartpqi: " Bart Van Assche
2026-03-16 15:36   ` Don.Brace
2026-03-12 21:15 ` [PATCH 35/36] scsi: Enable " Bart Van Assche
2026-03-12 21:15 ` [PATCH 36/36] scsi: core: Protect host state changes with the host lock Bart Van Assche

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