- Kernel - mailweb.openeuler.org

[PATCH OLK-6.6 v2] scsi: reserve space for structures in scsi
by Li Lingfeng 08 Feb '24

08 Feb '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8ZUL1 -------------------------------- Reserve space for structure libfc_cmd_priv/fcoe_percpu_s/iscsi_task/ iscsi_cmd/iscsi_conn/iscsi_session/iscsi_host/scsi_cmnd/scsi_device/ scsi_exec_args/scsi_device_handler/scsi_driver/scsi_eh_save/ scsi_host_template/Scsi_Host/scsi_target. Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- include/scsi/libfc.h | 4 ++++ include/scsi/libfcoe.h | 4 ++++ include/scsi/libiscsi.h | 34 ++++++++++++++++++++++++++++++++++ include/scsi/scsi_cmnd.h | 4 ++++ include/scsi/scsi_device.h | 23 +++++++++++++++++++++++ include/scsi/scsi_dh.h | 4 ++++ include/scsi/scsi_driver.h | 4 ++++ include/scsi/scsi_eh.h | 4 ++++ include/scsi/scsi_host.h | 15 +++++++++++++++ 9 files changed, 96 insertions(+) diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index eca6fd42d7f7..c042d761d701 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -12,6 +12,7 @@ #include <linux/if.h> #include <linux/percpu.h> #include <linux/refcount.h> +#include <linux/kabi.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_fc.h> @@ -358,6 +359,9 @@ struct libfc_cmd_priv { struct fc_fcp_pkt *fsp; u32 resid_len; u8 status; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; /* diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h index 8300ef1a982e..b2d11acaa68d 100644 --- a/include/scsi/libfcoe.h +++ b/include/scsi/libfcoe.h @@ -16,6 +16,7 @@ #include <linux/workqueue.h> #include <linux/local_lock.h> #include <linux/random.h> +#include <linux/kabi.h> #include <scsi/fc/fc_fcoe.h> #include <scsi/libfc.h> #include <scsi/fcoe_sysfs.h> @@ -329,6 +330,9 @@ struct fcoe_percpu_s { struct page *crc_eof_page; int crc_eof_offset; local_lock_t lock; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; /** diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 7282555adfd5..d253b82e973e 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -17,6 +17,7 @@ #include <linux/workqueue.h> #include <linux/kfifo.h> #include <linux/refcount.h> +#include <linux/kabi.h> #include <scsi/iscsi_proto.h> #include <scsi/iscsi_if.h> #include <scsi/scsi_cmnd.h> @@ -133,6 +134,12 @@ struct iscsi_task { refcount_t refcount; struct list_head running; /* running cmd list */ void *dd_data; /* driver/transport data */ + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) }; static inline int iscsi_task_has_unsol_data(struct iscsi_task *task) @@ -156,6 +163,9 @@ static inline bool iscsi_task_is_completed(struct iscsi_task *task) struct iscsi_cmd { struct iscsi_task *task; int age; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; static inline struct iscsi_cmd *iscsi_cmd(struct scsi_cmnd *cmd) @@ -256,6 +266,17 @@ struct iscsi_conn { /* custom statistics */ uint32_t eh_abort_cnt; uint32_t fmr_unalign_cnt; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) + KABI_RESERVE(9) + KABI_RESERVE(10) }; struct iscsi_pool { @@ -363,6 +384,15 @@ struct iscsi_session { struct iscsi_task **cmds; /* Original Cmds arr */ struct iscsi_pool cmdpool; /* PDU's pool */ void *dd_data; /* LLD private data */ + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) }; enum { @@ -383,6 +413,10 @@ struct iscsi_host { int state; struct workqueue_struct *workq; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) }; /* diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 526def14e7fb..cc7a5fe2a314 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -9,6 +9,7 @@ #include <linux/types.h> #include <linux/timer.h> #include <linux/scatterlist.h> +#include <linux/kabi.h> #include <scsi/scsi_device.h> struct Scsi_Host; @@ -141,6 +142,9 @@ struct scsi_cmnd { * to be at an address < 16Mb). */ int result; /* Status code from lower level driver */ + + KABI_RESERVE(1) + KABI_RESERVE(2) }; /* Variant of blk_mq_rq_from_pdu() that verifies the type of its argument. */ diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 8fa1153f37cb..7aa42c89fc54 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -9,6 +9,7 @@ #include <scsi/scsi.h> #include <linux/atomic.h> #include <linux/sbitmap.h> +#include <linux/kabi.h> struct bsg_device; struct device; @@ -284,6 +285,15 @@ struct scsi_device { struct mutex state_mutex; enum scsi_device_state sdev_state; struct task_struct *quiesced_by; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) unsigned long sdev_data[]; } __attribute__((aligned(sizeof(unsigned long)))); @@ -370,6 +380,17 @@ struct scsi_target { char scsi_level; enum scsi_target_state state; void *hostdata; /* available to low-level driver */ + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) + KABI_RESERVE(9) + unsigned long starget_data[]; /* for the transport */ /* starget_data must be the last element!!!! */ } __attribute__((aligned(sizeof(unsigned long)))); @@ -498,6 +519,8 @@ struct scsi_exec_args { blk_mq_req_flags_t req_flags; /* BLK_MQ_REQ flags */ int scmd_flags; /* SCMD flags */ int *resid; /* residual length */ + + KABI_RESERVE(1) }; int scsi_execute_cmd(struct scsi_device *sdev, const unsigned char *cmd, diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h index 4df943c1b90b..1e6bc082efd8 100644 --- a/include/scsi/scsi_dh.h +++ b/include/scsi/scsi_dh.h @@ -11,6 +11,7 @@ */ #include <scsi/scsi_device.h> +#include <linux/kabi.h> enum { SCSI_DH_OK = 0, @@ -60,6 +61,9 @@ struct scsi_device_handler { blk_status_t (*prep_fn)(struct scsi_device *, struct request *); int (*set_params)(struct scsi_device *, const char *); void (*rescan)(struct scsi_device *); + + KABI_RESERVE(1) + KABI_RESERVE(2) }; #ifdef CONFIG_SCSI_DH diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h index 4ce1988b2ba0..7cd5cc59cfe1 100644 --- a/include/scsi/scsi_driver.h +++ b/include/scsi/scsi_driver.h @@ -4,6 +4,7 @@ #include <linux/blk_types.h> #include <linux/device.h> +#include <linux/kabi.h> #include <scsi/scsi_cmnd.h> struct module; @@ -18,6 +19,9 @@ struct scsi_driver { int (*done)(struct scsi_cmnd *); int (*eh_action)(struct scsi_cmnd *, int); void (*eh_reset)(struct scsi_cmnd *); + + KABI_RESERVE(1) + KABI_RESERVE(2) }; #define to_scsi_driver(drv) \ container_of((drv), struct scsi_driver, gendrv) diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index 1ae08e81339f..1f3b333f43b0 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -3,6 +3,7 @@ #define _SCSI_SCSI_EH_H #include <linux/scatterlist.h> +#include <linux/kabi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_common.h> @@ -41,6 +42,9 @@ struct scsi_eh_save { unsigned char cmnd[32]; struct scsi_data_buffer sdb; struct scatterlist sense_sgl; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 4c2dc8150c6d..579fd601b004 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -9,6 +9,7 @@ #include <linux/mutex.h> #include <linux/seq_file.h> #include <linux/blk-mq.h> +#include <linux/kabi.h> #include <scsi/scsi.h> struct block_device; @@ -497,6 +498,11 @@ struct scsi_host_template { /* Delay for runtime autosuspend */ int rpm_autosuspend_delay; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) }; /* @@ -710,6 +716,15 @@ struct Scsi_Host { */ struct device *dma_dev; + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) + KABI_RESERVE(9) /* * We should ensure that this is aligned, both for better performance * and also because some compilers (m68k) don't automatically force -- 2.31.1

2 1

[PATCH OLK-6.6 v2] scsi: reserve space for structures in scsi
by Li Lingfeng 08 Feb '24

08 Feb '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8ZUL1 -------------------------------- Reserve space for structure libfc_cmd_priv/fcoe_percpu_s/iscsi_task/ iscsi_cmd/iscsi_conn/iscsi_session/iscsi_host/scsi_cmnd/scsi_device/ scsi_exec_args/scsi_device_handler/scsi_driver/scsi_eh_save/ scsi_host_template/Scsi_Host/scsi_target. Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- include/scsi/libfc.h | 4 ++++ include/scsi/libfcoe.h | 4 ++++ include/scsi/libiscsi.h | 34 ++++++++++++++++++++++++++++++++++ include/scsi/scsi_cmnd.h | 4 ++++ include/scsi/scsi_device.h | 23 +++++++++++++++++++++++ include/scsi/scsi_dh.h | 4 ++++ include/scsi/scsi_driver.h | 4 ++++ include/scsi/scsi_eh.h | 4 ++++ include/scsi/scsi_host.h | 15 +++++++++++++++ 9 files changed, 96 insertions(+) diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index eca6fd42d7f7..c042d761d701 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -12,6 +12,7 @@ #include <linux/if.h> #include <linux/percpu.h> #include <linux/refcount.h> +#include <linux/kabi.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_fc.h> @@ -358,6 +359,9 @@ struct libfc_cmd_priv { struct fc_fcp_pkt *fsp; u32 resid_len; u8 status; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; /* diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h index 8300ef1a982e..b2d11acaa68d 100644 --- a/include/scsi/libfcoe.h +++ b/include/scsi/libfcoe.h @@ -16,6 +16,7 @@ #include <linux/workqueue.h> #include <linux/local_lock.h> #include <linux/random.h> +#include <linux/kabi.h> #include <scsi/fc/fc_fcoe.h> #include <scsi/libfc.h> #include <scsi/fcoe_sysfs.h> @@ -329,6 +330,9 @@ struct fcoe_percpu_s { struct page *crc_eof_page; int crc_eof_offset; local_lock_t lock; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; /** diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 7282555adfd5..d253b82e973e 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -17,6 +17,7 @@ #include <linux/workqueue.h> #include <linux/kfifo.h> #include <linux/refcount.h> +#include <linux/kabi.h> #include <scsi/iscsi_proto.h> #include <scsi/iscsi_if.h> #include <scsi/scsi_cmnd.h> @@ -133,6 +134,12 @@ struct iscsi_task { refcount_t refcount; struct list_head running; /* running cmd list */ void *dd_data; /* driver/transport data */ + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) }; static inline int iscsi_task_has_unsol_data(struct iscsi_task *task) @@ -156,6 +163,9 @@ static inline bool iscsi_task_is_completed(struct iscsi_task *task) struct iscsi_cmd { struct iscsi_task *task; int age; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; static inline struct iscsi_cmd *iscsi_cmd(struct scsi_cmnd *cmd) @@ -256,6 +266,17 @@ struct iscsi_conn { /* custom statistics */ uint32_t eh_abort_cnt; uint32_t fmr_unalign_cnt; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) + KABI_RESERVE(9) + KABI_RESERVE(10) }; struct iscsi_pool { @@ -363,6 +384,15 @@ struct iscsi_session { struct iscsi_task **cmds; /* Original Cmds arr */ struct iscsi_pool cmdpool; /* PDU's pool */ void *dd_data; /* LLD private data */ + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) }; enum { @@ -383,6 +413,10 @@ struct iscsi_host { int state; struct workqueue_struct *workq; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) }; /* diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 526def14e7fb..cc7a5fe2a314 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -9,6 +9,7 @@ #include <linux/types.h> #include <linux/timer.h> #include <linux/scatterlist.h> +#include <linux/kabi.h> #include <scsi/scsi_device.h> struct Scsi_Host; @@ -141,6 +142,9 @@ struct scsi_cmnd { * to be at an address < 16Mb). */ int result; /* Status code from lower level driver */ + + KABI_RESERVE(1) + KABI_RESERVE(2) }; /* Variant of blk_mq_rq_from_pdu() that verifies the type of its argument. */ diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 8fa1153f37cb..7aa42c89fc54 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -9,6 +9,7 @@ #include <scsi/scsi.h> #include <linux/atomic.h> #include <linux/sbitmap.h> +#include <linux/kabi.h> struct bsg_device; struct device; @@ -284,6 +285,15 @@ struct scsi_device { struct mutex state_mutex; enum scsi_device_state sdev_state; struct task_struct *quiesced_by; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) unsigned long sdev_data[]; } __attribute__((aligned(sizeof(unsigned long)))); @@ -370,6 +380,17 @@ struct scsi_target { char scsi_level; enum scsi_target_state state; void *hostdata; /* available to low-level driver */ + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) + KABI_RESERVE(9) + unsigned long starget_data[]; /* for the transport */ /* starget_data must be the last element!!!! */ } __attribute__((aligned(sizeof(unsigned long)))); @@ -498,6 +519,8 @@ struct scsi_exec_args { blk_mq_req_flags_t req_flags; /* BLK_MQ_REQ flags */ int scmd_flags; /* SCMD flags */ int *resid; /* residual length */ + + KABI_RESERVE(1) }; int scsi_execute_cmd(struct scsi_device *sdev, const unsigned char *cmd, diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h index 4df943c1b90b..1e6bc082efd8 100644 --- a/include/scsi/scsi_dh.h +++ b/include/scsi/scsi_dh.h @@ -11,6 +11,7 @@ */ #include <scsi/scsi_device.h> +#include <linux/kabi.h> enum { SCSI_DH_OK = 0, @@ -60,6 +61,9 @@ struct scsi_device_handler { blk_status_t (*prep_fn)(struct scsi_device *, struct request *); int (*set_params)(struct scsi_device *, const char *); void (*rescan)(struct scsi_device *); + + KABI_RESERVE(1) + KABI_RESERVE(2) }; #ifdef CONFIG_SCSI_DH diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h index 4ce1988b2ba0..7cd5cc59cfe1 100644 --- a/include/scsi/scsi_driver.h +++ b/include/scsi/scsi_driver.h @@ -4,6 +4,7 @@ #include <linux/blk_types.h> #include <linux/device.h> +#include <linux/kabi.h> #include <scsi/scsi_cmnd.h> struct module; @@ -18,6 +19,9 @@ struct scsi_driver { int (*done)(struct scsi_cmnd *); int (*eh_action)(struct scsi_cmnd *, int); void (*eh_reset)(struct scsi_cmnd *); + + KABI_RESERVE(1) + KABI_RESERVE(2) }; #define to_scsi_driver(drv) \ container_of((drv), struct scsi_driver, gendrv) diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index 1ae08e81339f..1f3b333f43b0 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -3,6 +3,7 @@ #define _SCSI_SCSI_EH_H #include <linux/scatterlist.h> +#include <linux/kabi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_common.h> @@ -41,6 +42,9 @@ struct scsi_eh_save { unsigned char cmnd[32]; struct scsi_data_buffer sdb; struct scatterlist sense_sgl; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 4c2dc8150c6d..579fd601b004 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -9,6 +9,7 @@ #include <linux/mutex.h> #include <linux/seq_file.h> #include <linux/blk-mq.h> +#include <linux/kabi.h> #include <scsi/scsi.h> struct block_device; @@ -497,6 +498,11 @@ struct scsi_host_template { /* Delay for runtime autosuspend */ int rpm_autosuspend_delay; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) }; /* @@ -710,6 +716,15 @@ struct Scsi_Host { */ struct device *dma_dev; + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) + KABI_RESERVE(9) /* * We should ensure that this is aligned, both for better performance * and also because some compilers (m68k) don't automatically force -- 2.31.1

2 1

[PATCH V6 OLK-6.6 0/5] Add support for ecmdq
by Zhang Zekun 08 Feb '24

08 Feb '24

Add support for ecmdq v2: fix some code check errors v3: Add config isolations v4: Enable CONFIG_ARM_SMMU_V3_ECMDQ in openeuler_defconfig in ARCH arm64 v5: Fix apply error v6: Fix the config isolation error The openeuler maillist can not generate pr. So, resend these patches to try again. Zhen Lei (5): iommu/arm-smmu-v3: Add support for ECMDQ register mode iommu/arm-smmu-v3: Ensure that a set of associated commands are inserted in the same ECMDQ iommu/arm-smmu-v3: Add arm_smmu_ecmdq_issue_cmdlist() for non-shared ECMDQ iommu/arm-smmu-v3: Add support for less than one ECMDQ per core iommu/arm-smmu-v3: Allow disabling ECMDQs at boot time arch/arm64/configs/openeuler_defconfig | 1 + drivers/iommu/Kconfig | 11 + drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 468 +++++++++++++++++++- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 47 ++ 4 files changed, 522 insertions(+), 5 deletions(-) -- 2.17.1

2 6

[PATCH OLK-6.6] scsi: iscsi: kabi: KABI reservation for iscsi_transport
by Li Nan 08 Feb '24

08 Feb '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I91059 ---------------------------------------------------------------------- Reserve KABI for struct iscsi_transport. Signed-off-by: Li Nan <linan122(a)huawei.com> --- include/scsi/scsi_transport_iscsi.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index d16f8baa3817..99013e3c7333 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -161,6 +161,10 @@ struct iscsi_transport { KABI_RESERVE(2) KABI_RESERVE(3) KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) + KABI_RESERVE(8) }; /* -- 2.39.2

2 2

[openeuler:openEuler-1.0-LTS 5957/21625] include/linux/uaccess.h:112:17: warning: 'bind' may be used uninitialized
by kernel test robot 08 Feb '24

08 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 7efcac7603953bb58d80041f410b079378b5174c commit: 2dd8345826607c5d2d6528de872118da554015b6 [5957/21625] vfio: Add support for Shared Virtual Addressing config: arm64-randconfig-001-20240201 (https://download.01.org/0day-ci/archive/20240208/202402080827.WW0ing81-lkp@…) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240208/202402080827.WW0ing81-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202402080827.WW0ing81-lkp@intel.com/ Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): In file included from include/linux/compat.h:19, from drivers/vfio/vfio_iommu_type1.c:27: In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'vfio_iommu_type1_bind_process' at drivers/vfio/vfio_iommu_type1.c:1933:6: include/linux/uaccess.h:112:17: warning: 'params' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/compiler.h:251, from include/asm-generic/div64.h:25, from ./arch/arm64/include/generated/asm/div64.h:1, from include/linux/math64.h:6, from include/linux/time64.h:5, from include/linux/compat_time.h:6, from include/linux/compat.h:10: include/linux/kasan-checks.h: In function 'vfio_iommu_type1_bind_process': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/vfio/vfio_iommu_type1.c:1920:46: note: 'params' declared here 1920 | struct vfio_iommu_type1_bind_process params; | ^~~~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'vfio_iommu_type1_unbind_process' at drivers/vfio/vfio_iommu_type1.c:2021:6: include/linux/uaccess.h:112:17: warning: 'params' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'vfio_iommu_type1_unbind_process': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/vfio/vfio_iommu_type1.c:2014:46: note: 'params' declared here 2014 | struct vfio_iommu_type1_bind_process params; | ^~~~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'vfio_iommu_type1_ioctl' at drivers/vfio/vfio_iommu_type1.c:2084:7: include/linux/uaccess.h:112:17: warning: 'info' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'vfio_iommu_type1_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/vfio/vfio_iommu_type1.c:2080:46: note: 'info' declared here 2080 | struct vfio_iommu_type1_info info; | ^~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'vfio_iommu_type1_ioctl' at drivers/vfio/vfio_iommu_type1.c:2104:7: include/linux/uaccess.h:112:17: warning: 'map' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'vfio_iommu_type1_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/vfio/vfio_iommu_type1.c:2098:49: note: 'map' declared here 2098 | struct vfio_iommu_type1_dma_map map; | ^~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'vfio_iommu_type1_ioctl' at drivers/vfio/vfio_iommu_type1.c:2118:7: include/linux/uaccess.h:112:17: warning: 'unmap' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'vfio_iommu_type1_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/vfio/vfio_iommu_type1.c:2113:51: note: 'unmap' declared here 2113 | struct vfio_iommu_type1_dma_unmap unmap; | ^~~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'vfio_iommu_type1_ioctl' at drivers/vfio/vfio_iommu_type1.c:2136:7: >> include/linux/uaccess.h:112:17: warning: 'bind' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'vfio_iommu_type1_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/vfio/vfio_iommu_type1.c:2132:46: note: 'bind' declared here 2132 | struct vfio_iommu_type1_bind bind; | ^~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'vfio_iommu_type1_ioctl' at drivers/vfio/vfio_iommu_type1.c:2155:7: >> include/linux/uaccess.h:112:17: warning: 'bind' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'vfio_iommu_type1_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ drivers/vfio/vfio_iommu_type1.c:2151:46: note: 'bind' declared here 2151 | struct vfio_iommu_type1_bind bind; | ^~~~ vim +/bind +112 include/linux/uaccess.h d597580d373774b Al Viro 2017-03-20 104 d597580d373774b Al Viro 2017-03-20 105 #ifdef INLINE_COPY_FROM_USER d597580d373774b Al Viro 2017-03-20 106 static inline unsigned long d597580d373774b Al Viro 2017-03-20 107 _copy_from_user(void *to, const void __user *from, unsigned long n) d597580d373774b Al Viro 2017-03-20 108 { d597580d373774b Al Viro 2017-03-20 109 unsigned long res = n; 9c5f6908de03a4f Al Viro 2017-06-29 110 might_fault(); 4983cb67a383a73 Linus Torvalds 2019-02-14 111 if (likely(access_ok(from, n))) { 9c5f6908de03a4f Al Viro 2017-06-29 @112 kasan_check_write(to, n); d597580d373774b Al Viro 2017-03-20 113 res = raw_copy_from_user(to, from, n); 9c5f6908de03a4f Al Viro 2017-06-29 114 } d597580d373774b Al Viro 2017-03-20 115 if (unlikely(res)) d597580d373774b Al Viro 2017-03-20 116 memset(to + (n - res), 0, res); d597580d373774b Al Viro 2017-03-20 117 return res; d597580d373774b Al Viro 2017-03-20 118 } d597580d373774b Al Viro 2017-03-20 119 #else d597580d373774b Al Viro 2017-03-20 120 extern unsigned long d597580d373774b Al Viro 2017-03-20 121 _copy_from_user(void *, const void __user *, unsigned long); d597580d373774b Al Viro 2017-03-20 122 #endif d597580d373774b Al Viro 2017-03-20 123 :::::: The code at line 112 was first introduced by commit :::::: 9c5f6908de03a4f52ba7364b11fcd6116225480c copy_{from,to}_user(): move kasan checks and might_fault() out-of-line :::::: TO: Al Viro <viro(a)zeniv.linux.org.uk> :::::: CC: Al Viro <viro(a)zeniv.linux.org.uk> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 3124/3150] drivers/dax/super.c:45: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'dax_device'
by kernel test robot 08 Feb '24

08 Feb '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: ad149a3902264c23ab7b73dedc600a8a9dbb1b43 commit: 63101913bbd057cea31fb598eeb4a4c91584f0f0 [3124/3150] dax: kabi: Reserve KABI slots for dax_* struct config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20240208/202402080518.ety9dEEd-lkp@…) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240208/202402080518.ety9dEEd-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202402080518.ety9dEEd-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/dax/super.c:45: warning: Function parameter or member 'KABI_RESERVE(1' not described in 'dax_device' vim +45 drivers/dax/super.c 7b6be8444e0f0d Dan Williams 2017-04-11 17 1b7646014e0d83 Christoph Hellwig 2021-08-26 18 /** 1b7646014e0d83 Christoph Hellwig 2021-08-26 19 * struct dax_device - anchor object for dax services 1b7646014e0d83 Christoph Hellwig 2021-08-26 20 * @inode: core vfs 1b7646014e0d83 Christoph Hellwig 2021-08-26 21 * @cdev: optional character interface for "device dax" 1b7646014e0d83 Christoph Hellwig 2021-08-26 22 * @private: dax driver private data 1b7646014e0d83 Christoph Hellwig 2021-08-26 23 * @flags: state and boolean properties db8cd5efeebc49 Ira Weiny 2022-03-04 24 * @ops: operations for this device 8012b866085523 Shiyang Ruan 2022-06-03 25 * @holder_data: holder of a dax_device: could be filesystem or mapped device 8012b866085523 Shiyang Ruan 2022-06-03 26 * @holder_ops: operations for the inner holder 1b7646014e0d83 Christoph Hellwig 2021-08-26 27 */ 1b7646014e0d83 Christoph Hellwig 2021-08-26 28 struct dax_device { 1b7646014e0d83 Christoph Hellwig 2021-08-26 29 struct inode inode; 1b7646014e0d83 Christoph Hellwig 2021-08-26 30 struct cdev cdev; 1b7646014e0d83 Christoph Hellwig 2021-08-26 31 void *private; 1b7646014e0d83 Christoph Hellwig 2021-08-26 32 unsigned long flags; 1b7646014e0d83 Christoph Hellwig 2021-08-26 33 const struct dax_operations *ops; 8012b866085523 Shiyang Ruan 2022-06-03 34 void *holder_data; 8012b866085523 Shiyang Ruan 2022-06-03 35 const struct dax_holder_operations *holder_ops; 63101913bbd057 Long Li 2024-02-07 36 63101913bbd057 Long Li 2024-02-07 37 KABI_RESERVE(1) 63101913bbd057 Long Li 2024-02-07 38 KABI_RESERVE(2) 63101913bbd057 Long Li 2024-02-07 39 KABI_RESERVE(3) 63101913bbd057 Long Li 2024-02-07 40 KABI_RESERVE(4) 63101913bbd057 Long Li 2024-02-07 41 KABI_RESERVE(5) 63101913bbd057 Long Li 2024-02-07 42 KABI_RESERVE(6) 63101913bbd057 Long Li 2024-02-07 43 KABI_RESERVE(7) 63101913bbd057 Long Li 2024-02-07 44 KABI_RESERVE(8) 1b7646014e0d83 Christoph Hellwig 2021-08-26 @45 }; 1b7646014e0d83 Christoph Hellwig 2021-08-26 46 :::::: The code at line 45 was first introduced by commit :::::: 1b7646014e0d838b06be7288e2dec3262948cc56 dax: mark dax_get_by_host static :::::: TO: Christoph Hellwig <hch(a)lst.de> :::::: CC: Dan Williams <dan.j.williams(a)intel.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS 9264/21621] drivers/infiniband/core/.tmp_device.o: warning: objtool: missing symbol for section .exit.text
by kernel test robot 07 Feb '24

07 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 6f00368917623a29203f8459d5a62ccde333172b commit: 3de2425716bfa05f2fe8786983d1b9834d7af88f [9264/21621] IB/core: Add an unbound WQ type to the new CQ API config: x86_64-buildonly-randconfig-003-20240205 (https://download.01.org/0day-ci/archive/20240207/202402071824.I0cPOlSO-lkp@…) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240207/202402071824.I0cPOlSO-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202402071824.I0cPOlSO-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/infiniband/core/device.c:471: warning: Function parameter or member 'port_callback' not described in 'ib_register_device' drivers/infiniband/core/device.c:957: warning: Function parameter or member 'nldev_cb' not described in 'ib_enum_all_devs' drivers/infiniband/core/device.c:957: warning: Function parameter or member 'skb' not described in 'ib_enum_all_devs' >> drivers/infiniband/core/.tmp_device.o: warning: objtool: missing symbol for section .exit.text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH V6 OLK-6.6 0/5] Add support for ecmdq
by Zhang Zekun 07 Feb '24

07 Feb '24

Add support for ecmdq v2: fix some code check errors v3: Add config isolations v4: Enable CONFIG_ARM_SMMU_V3_ECMDQ in openeuler_defconfig in ARCH arm64 v5: Fix apply error v6: Fix the config isolation error Zhen Lei (5): iommu/arm-smmu-v3: Add support for ECMDQ register mode iommu/arm-smmu-v3: Ensure that a set of associated commands are inserted in the same ECMDQ iommu/arm-smmu-v3: Add arm_smmu_ecmdq_issue_cmdlist() for non-shared ECMDQ iommu/arm-smmu-v3: Add support for less than one ECMDQ per core iommu/arm-smmu-v3: Allow disabling ECMDQs at boot time arch/arm64/configs/openeuler_defconfig | 1 + drivers/iommu/Kconfig | 11 + drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 468 +++++++++++++++++++- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 47 ++ 4 files changed, 522 insertions(+), 5 deletions(-) -- 2.17.1

2 6

[openeuler:openEuler-1.0-LTS 21351/21625] drivers/mailbox/phytium_mailbox.c:116:36: warning: 'phytium_mbox_acpi_match' defined but not used
by kernel test robot 07 Feb '24

07 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 7efcac7603953bb58d80041f410b079378b5174c commit: 1ae9436b02e93f1f2b9cfc10226812197fbfcd04 [21351/21625] mailbox: add phytium mailbox driver config: arm64-randconfig-002-20240125 (https://download.01.org/0day-ci/archive/20240207/202402071742.dc3sALg1-lkp@…) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240207/202402071742.dc3sALg1-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202402071742.dc3sALg1-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/mailbox/phytium_mailbox.c:116:36: warning: 'phytium_mbox_acpi_match' defined but not used [-Wunused-const-variable=] 116 | static const struct acpi_device_id phytium_mbox_acpi_match[] = { | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/phytium_mbox_acpi_match +116 drivers/mailbox/phytium_mailbox.c 115 > 116 static const struct acpi_device_id phytium_mbox_acpi_match[] = { 117 { "PHYT0009", 0 }, 118 { }, 119 }; 120 MODULE_DEVICE_TABLE(acpi, phytium_mbox_acpi_match); 121 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH V6 OLK-6.6 0/5] Add support for ecmdq
by Zhang Zekun 07 Feb '24

07 Feb '24

Add support for ecmdq v2: fix some code check errors v3: Add config isolations v4: Enable CONFIG_ARM_SMMU_V3_ECMDQ in openeuler_defconfig in ARCH arm64 v5: Fix apply error v6: Fix the config isolation error Zhen Lei (5): iommu/arm-smmu-v3: Add support for ECMDQ register mode iommu/arm-smmu-v3: Ensure that a set of associated commands are inserted in the same ECMDQ iommu/arm-smmu-v3: Add arm_smmu_ecmdq_issue_cmdlist() for non-shared ECMDQ iommu/arm-smmu-v3: Add support for less than one ECMDQ per core iommu/arm-smmu-v3: Allow disabling ECMDQs at boot time arch/arm64/configs/openeuler_defconfig | 1 + drivers/iommu/Kconfig | 11 + drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 468 +++++++++++++++++++- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 47 ++ 4 files changed, 522 insertions(+), 5 deletions(-) -- 2.17.1

2 6

2024

2023

2022

2021

2020

2019

Kernel