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[PATCH openEuler-23.09 v3 00/19] Add sharepool support
by Wang Wensheng 05 Sep '23

05 Sep '23

This patch series migrates share pool features from OLK-5.10 to openEuler-23.09. We don't want to do this work patch by patch since there are hundreds of patches in OLK-5.10 including bugfix and small features generation. Instead we just take the final version and split it into a few small patches, each of which contains one feature at the final version. The share pool features is a big feature, it is mainly used to share user virtual memory for different processes in the same group. It could be used by this steps: 1. Process A create a new group which is owned by process A. 2. Process A add process B to the group. 3. Process A add process C to the same group. 4. Process B alloc a new memory VA, and write something in it. 5. The VA was send to the process C by IPC, then process C got it. 6. The process C access the VA and got the data directly. 7. The process A could add more processes in the group to share the memory. 8. Fix the memory by use the free function or exit the group. The new features is enabled both by CONFIG_ASCEND_SHARE_POOL and the enable_ascend_share_pool bootarg, it would not affect anything if disabled. v1->v2: Fix some compile issues. v2->v3: Fix some checkpatch issues. Wang Wensheng (19): mm/hugetlb: Extend hugetlb usage for ascend vmalloc/ascend: Extend vmalloc usage for ascend memory: introduce do_mm_populate mm/sharepool: Add base framework for share_pool mm/sharepool: Reserve the va space for share_pool share_pool: Add sp_area management code mm/sharepool: Implement mg_sp_make_share_u2k() mm/sharepool: Implement mg_sp_unshare_kva mm/sharepool: Implement mg_sp_walk_page_range() mm/sharepool: Implement mg_sp_free() mm/sharepool: Implement mg_sp_alloc() mm/sharepool: Implement mg_sp_make_share_k2u() mm/sharepool: Implement mg_sp_group_add_task() mm/sharepool: Implement mg_sp_group_id_by_pid() mm/sharepool: Implement mg_sp_id_of_current() mm/sharepool: Implement mg_sp_config_dvpp_range() mm/sharepool: Add proc interfaces to show sp info mm/sharepool: support fork() and exit() to handle the mm mm/sharepool: Adjust __unmap_hugepage_range() for k2u arch/arm64/Kconfig | 33 + fs/proc/base.c | 7 + include/linux/hugetlb.h | 32 + include/linux/mempolicy.h | 11 + include/linux/mm.h | 17 + include/linux/mm_types.h | 7 + include/linux/share_pool.h | 291 +++ include/linux/vmalloc.h | 18 + kernel/fork.c | 3 + mm/Makefile | 1 + mm/gup.c | 23 +- mm/hugetlb.c | 78 + mm/mempolicy.c | 12 +- mm/mmap.c | 43 +- mm/share_pool.c | 3495 ++++++++++++++++++++++++++++++++++++ mm/util.c | 4 + mm/vmalloc.c | 205 ++- 17 files changed, 4256 insertions(+), 24 deletions(-) create mode 100644 include/linux/share_pool.h create mode 100644 mm/share_pool.c -- 2.17.1

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[OLK-5.10 0/5] Bugfixes of bonding
by Chengchang Tang 05 Sep '23

05 Sep '23

From: Juan Zhou <zhoujuan51(a)h-partners.com> Fixed some bond-related errors. Junxian Huang (5): RDMA/hns: Fix a memory leak error when bond clear failed RDMA/hns: Add functions to obtain netdev and bus_num from an hr_dev RDMA/hns: Fix wild pointer error of RoCE bonding when rmmod hns3 RDMA/hns: Fix the device loss after unbinding RoCE bond resource slave RDMA/hns: Fix missing cleanup when bond_grp becomes invalid drivers/infiniband/hw/hns/hns_roce_ah.c | 1 - drivers/infiniband/hw/hns/hns_roce_bond.c | 225 +++++++++++++------- drivers/infiniband/hw/hns/hns_roce_bond.h | 10 +- drivers/infiniband/hw/hns/hns_roce_device.h | 13 ++ drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 29 ++- drivers/infiniband/hw/hns/hns_roce_main.c | 64 ++++-- drivers/infiniband/hw/hns/hns_roce_pd.c | 1 - drivers/infiniband/hw/hns/hns_roce_qp.c | 5 +- drivers/infiniband/hw/hns/hns_roce_srq.c | 1 - 9 files changed, 236 insertions(+), 113 deletions(-) -- 2.30.0

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[PATCH v2 openEuler-23.09 00/21] Introduce programmable base on bpf for scheduler
by Guan Jing 05 Sep '23

05 Sep '23

Chen Hui (8): sched: programmable: Add user interface of task tag sched: programmable: add bpf_sched_task_tag_of helper function bpf: sched: Add helper functions to get cpu statistics sched: programmable: Add helper function for cpu topology. sched: programmable: Add convenient helper functions to convert sched entity bpf:programmable: Add cpumask ops collection sched: programmable: Add three hooks in select_task_rq_fair() sched: programmable: Add lib for sched programmable Guan Jing (10): bpf: sched: basic infrastructure for scheduler bpf bpf: sched: introduce bpf_sched_enable() libbpf: add support for scheduler bpf programs bpftool: recognize scheduler programs sched: programmable: Add a tag for the task sched: programmable: Add a tag for the task group sched: programmable: Add user interface of task group tag sched: programmable: add bpf_sched_tg_tag_of helper function sched: cfs: add bpf hooks to control wakeup and tick preemption sched: programmable: Add hook for pick next task Hui Tang (1): bpf:programmable: Add helper func to check cpu share cache Ren Zhijie (2): sched: programmable: Add helpers to set tag of task or task_group sched: programmable: add bpf hooks to update rq and task state in enqueue_task/deqeue_task of CFS fs/proc/base.c | 65 ++++ include/linux/bpf_sched.h | 53 ++++ include/linux/bpf_topology.h | 46 +++ include/linux/bpf_types.h | 4 + include/linux/sched.h | 83 ++++++ include/linux/sched_hook_defs.h | 12 + include/uapi/linux/bpf.h | 125 ++++++++ init/init_task.c | 3 + kernel/bpf/Kconfig | 11 + kernel/bpf/btf.c | 1 + kernel/bpf/helpers.c | 12 + kernel/bpf/syscall.c | 24 ++ kernel/bpf/trampoline.c | 1 + kernel/bpf/verifier.c | 11 +- kernel/sched/bpf_sched.c | 397 +++++++++++++++++++++++++ kernel/sched/bpf_topology.c | 87 ++++++ kernel/sched/build_utility.c | 5 + kernel/sched/core.c | 114 +++++++ kernel/sched/fair.c | 121 ++++++++ kernel/sched/sched.h | 6 + scripts/bpf_doc.py | 18 ++ tools/include/uapi/linux/bpf.h | 125 ++++++++ tools/lib/bpf/Makefile | 2 +- tools/lib/bpf/bpf.c | 1 + tools/lib/bpf/libbpf.c | 23 +- tools/lib/bpf/libbpf.h | 2 + tools/lib/bpf/libbpf.map | 1 + tools/lib/bpf/libbpf_sched.h | 507 ++++++++++++++++++++++++++++++++ 28 files changed, 1857 insertions(+), 3 deletions(-) create mode 100644 include/linux/bpf_sched.h create mode 100644 include/linux/bpf_topology.h create mode 100644 include/linux/sched_hook_defs.h create mode 100644 kernel/sched/bpf_sched.c create mode 100644 kernel/sched/bpf_topology.c create mode 100644 tools/lib/bpf/libbpf_sched.h -- 2.17.1

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[PATCH openEuler-23.09 0/8] I/O readahead scenario optimization feature backport to 6.4 kernel
by ZhaoLong Wang 05 Sep '23

05 Sep '23

Hou Tao (5): vfs: add bare tracepoints for vfs read and release fs: add helper fs_file_read_do_trace() xfs: add trace for read and release of regular file ext4: add trace for the read and release of regular file selftests/bpf: add demo for file read pattern detection Yufen Yu (1): readahead: introduce FMODE_CTL_WILLNEED to read first 2MB of file ZhaoLong Wang (2): VFS: Rolling Back the fmode macro definition and structure members selftests/bpf: Update the demo file_read_pattern to run on libbpf 1.0+ fs/ext4/file.c | 4 + fs/read_write.c | 38 +++++ fs/xfs/xfs_file.c | 3 + include/linux/fs.h | 37 +++++ include/trace/events/fs.h | 33 +++++ mm/readahead.c | 40 ++++- tools/testing/selftests/bpf/Makefile | 1 + .../testing/selftests/bpf/file_read_pattern.c | 73 +++++++++ .../bpf/progs/file_read_pattern_prog.c | 138 ++++++++++++++++++ 9 files changed, 366 insertions(+), 1 deletion(-) create mode 100644 include/trace/events/fs.h create mode 100644 tools/testing/selftests/bpf/file_read_pattern.c create mode 100644 tools/testing/selftests/bpf/progs/file_read_pattern_prog.c -- 2.39.2

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[PATCH openEuler-23.09 v2 00/19] Add sharepool support
by Wang Wensheng 05 Sep '23

05 Sep '23

This patch series migrates share pool features from OLK-5.10 to openEuler-23.09. We don't want to do this work patch by patch since there are hundreds of patches in OLK-5.10 including bugfix and small features generation. Instead we just take the final version and split it into a few small patches, each of which contains one feature at the final version. The share pool features is a big feature, it is mainly used to share user virtual memory for different processes in the same group. It could be used by this steps: 1. Process A create a new group which is owned by process A. 2. Process A add process B to the group. 3. Process A add process C to the same group. 4. Process B alloc a new memory VA, and write something in it. 5. The VA was send to the process C by IPC, then process C got it. 6. The process C access the VA and got the data directly. 7. The process A could add more processes in the group to share the memory. 8. Fix the memory by use the free function or exit the group. The new features is enabled both by CONFIG_ASCEND_SHARE_POOL and the enable_ascend_share_pool bootarg, it would not affect anything if disabled. v1->v2: Fix some compile issues. Wang Wensheng (19): mm/hugetlb: Extend hugetlb usage for ascend vmalloc/ascend: Extend vmalloc usage for ascend memory: introduce do_mm_populate mm/sharepool: Add base framework for share_pool mm/sharepool: Reserve the va space for share_pool share_pool: Add sp_area management code mm/sharepool: Implement mg_sp_make_share_u2k() mm/sharepool: Implement mg_sp_unshare_kva mm/sharepool: Implement mg_sp_walk_page_range() mm/sharepool: Implement mg_sp_free() mm/sharepool: Implement mg_sp_alloc() mm/sharepool: Implement mg_sp_make_share_k2u() mm/sharepool: Implement mg_sp_group_add_task() mm/sharepool: Implement mg_sp_group_id_by_pid() mm/sharepool: Implement mg_sp_id_of_current() mm/sharepool: Implement mg_sp_config_dvpp_range() mm/sharepool: Add proc interfaces to show sp info mm/sharepool: support fork() and exit() to handle the mm mm/sharepool: Adjust __unmap_hugepage_range() for k2u arch/arm64/Kconfig | 33 + fs/proc/base.c | 7 + include/linux/hugetlb.h | 32 + include/linux/mempolicy.h | 11 + include/linux/mm.h | 17 + include/linux/mm_types.h | 7 + include/linux/share_pool.h | 291 +++ include/linux/vmalloc.h | 18 + kernel/fork.c | 3 + mm/Makefile | 1 + mm/gup.c | 23 +- mm/hugetlb.c | 78 + mm/mempolicy.c | 12 +- mm/mmap.c | 43 +- mm/share_pool.c | 3495 ++++++++++++++++++++++++++++++++++++ mm/util.c | 4 + mm/vmalloc.c | 205 ++- 17 files changed, 4256 insertions(+), 24 deletions(-) create mode 100644 include/linux/share_pool.h create mode 100644 mm/share_pool.c -- 2.17.1

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[PATCH openEuler-23.09 0/8] I/O readahead scenario optimization feature backport to 6.4 kernel
by ZhaoLong Wang 04 Sep '23

04 Sep '23

Hou Tao (5): vfs: add bare tracepoints for vfs read and release fs: add helper fs_file_read_do_trace() xfs: add trace for read and release of regular file ext4: add trace for the read and release of regular file selftests/bpf: add demo for file read pattern detection Yufen Yu (1): readahead: introduce FMODE_CTL_WILLNEED to read first 2MB of file ZhaoLong Wang (2): VFS: Rolling Back the fmode macro definition and structure members selftests/bpf: Update the demo file_read_pattern to run on libbpf 1.0+ fs/ext4/file.c | 4 + fs/read_write.c | 38 +++++ fs/xfs/xfs_file.c | 3 + include/linux/fs.h | 37 +++++ include/trace/events/fs.h | 33 +++++ mm/readahead.c | 40 ++++- tools/testing/selftests/bpf/Makefile | 1 + .../testing/selftests/bpf/file_read_pattern.c | 73 +++++++++ .../bpf/progs/file_read_pattern_prog.c | 138 ++++++++++++++++++ 9 files changed, 366 insertions(+), 1 deletion(-) create mode 100644 include/trace/events/fs.h create mode 100644 tools/testing/selftests/bpf/file_read_pattern.c create mode 100644 tools/testing/selftests/bpf/progs/file_read_pattern_prog.c -- 2.39.2

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[PATCH openEuler-23.09 v3 0/2] configs: open drivers' config
by Liu Chao 04 Sep '23

04 Sep '23

openeuler inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I7VEEV CVE: NA -------------------------------- The number of drivers opened by openEuler is less than other distributions. In order to narrow the gap with other distributions and support more hardware devices, especially various PC hardware commonly used by developers and personal users, more hardware driver modules need to be enabled. Reference:https://gitee.com/openeuler/TC/blob/master/oEEP/oEEP-0006%20openE… Changes in v3: Disable PATA configs. Changes in v2: Enable more driver configurations, such as crypto, Intel platform, virtio, vdpa, and so on. Liu Chao (2): configs: aarch64: open drivers' config configs: x86_64: open drivers' config arch/arm64/configs/openeuler_defconfig | 4448 ++++++++++++++++++----- arch/x86/configs/openeuler_defconfig | 4540 ++++++++++++++++-------- 2 files changed, 6515 insertions(+), 2473 deletions(-) -- 2.33.0

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[PATCH openEuler-23.09 00/19] Add sharepool support
by Wang Wensheng 04 Sep '23

04 Sep '23

This patch series migrates share pool features from OLK-5.10 to openEuler-23.09. We don't want to do this work patch by patch since there are hundreds of patches in OLK-5.10 including bugfix and small features generation. Instead we just take the final version and split it into a few small patches, each of which contains one feature at the final version. The share pool features is a big feature, it is mainly used to share user virtual memory for different processes in the same group. It could be used by this steps: 1. Process A create a new group which is owned by process A. 2. Process A add process B to the group. 3. Process A add process C to the same group. 4. Process B alloc a new memory VA, and write something in it. 5. The VA was send to the process C by IPC, then process C got it. 6. The process C access the VA and got the data directly. 7. The process A could add more processes in the group to share the memory. 8. Fix the memory by use the free function or exit the group. The new features is enabled both by CONFIG_ASCEND_SHARE_POOL and the enable_ascend_share_pool bootarg, it would not affect anything if disabled. Wang Wensheng (19): mm/hugetlb: Extend hugetlb usage for ascend vmalloc/ascend: Extend vmalloc usage for ascend memory: introduce do_mm_populate mm/sharepool: Add base framework for share_pool mm/sharepool: Reserve the va space for share_pool share_pool: Add sp_area management code mm/sharepool: Implement mg_sp_make_share_u2k() mm/sharepool: Implement mg_sp_unshare_kva mm/sharepool: Implement mg_sp_walk_page_range() mm/sharepool: Implement mg_sp_free() mm/sharepool: Implement mg_sp_alloc() mm/sharepool: Implement mg_sp_make_share_k2u() mm/sharepool: Implement mg_sp_group_add_task() mm/sharepool: Implement mg_sp_group_id_by_pid() mm/sharepool: Implement mg_sp_id_of_current() mm/sharepool: Implement mg_sp_config_dvpp_range() mm/sharepool: Add proc interfaces to show sp info mm/sharepool: support fork() and exit() to handle the mm mm/sharepool: Adjust __unmap_hugepage_range() for k2u arch/arm64/Kconfig | 33 + fs/proc/base.c | 7 + include/linux/hugetlb.h | 32 + include/linux/mempolicy.h | 11 + include/linux/mm.h | 17 + include/linux/mm_types.h | 7 + include/linux/share_pool.h | 291 +++ include/linux/vmalloc.h | 18 + kernel/fork.c | 3 + mm/Makefile | 1 + mm/gup.c | 23 +- mm/hugetlb.c | 78 + mm/mempolicy.c | 12 +- mm/mmap.c | 43 +- mm/share_pool.c | 3495 ++++++++++++++++++++++++++++++++++++ mm/util.c | 4 + mm/vmalloc.c | 205 ++- 17 files changed, 4256 insertions(+), 24 deletions(-) create mode 100644 include/linux/share_pool.h create mode 100644 mm/share_pool.c -- 2.17.1

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[PATCH openEuler-1.0-LTS] RDMA/irdma: Prevent zero-length STAG registration
by Liu Jian 04 Sep '23

04 Sep '23

mainline inclusion from mainline-v6.6-rc1 commit bb6d73d9add68ad270888db327514384dfa44958 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I7YFVN CVE: CVE-2023-25775 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… --------------------------- Currently irdma allows zero-length STAGs to be programmed in HW during the kernel mode fast register flow. Zero-length MR or STAG registration disable HW memory length checks. Improve gaps in bounds checking in irdma by preventing zero-length STAG or MR registrations except if the IB_PD_UNSAFE_GLOBAL_RKEY is set. This addresses the disclosure CVE-2023-25775. Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs") Signed-off-by: Christopher Bednarz <christopher.n.bednarz(a)intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem(a)intel.com> Link: https://lore.kernel.org/r/20230818144838.1758-1-shiraz.saleem@intel.com Signed-off-by: Leon Romanovsky <leon(a)kernel.org> Signed-off-by: Liu Jian <liujian56(a)huawei.com> Conflicts: drivers/infiniband/hw/i40iw/i40iw_ctrl.c drivers/infiniband/hw/i40iw/i40iw_type.h drivers/infiniband/hw/i40iw/i40iw_verbs.c drivers/infiniband/hw/irdma/ctrl.c drivers/infiniband/hw/irdma/type.h drivers/infiniband/hw/irdma/verbs.c --- drivers/infiniband/hw/i40iw/i40iw_ctrl.c | 6 ++++++ drivers/infiniband/hw/i40iw/i40iw_type.h | 2 ++ drivers/infiniband/hw/i40iw/i40iw_verbs.c | 10 ++++++++-- 3 files changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c index 4d841a3c68f3..026557aa2307 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c @@ -2945,6 +2945,9 @@ static enum i40iw_status_code i40iw_sc_alloc_stag( u64 header; enum i40iw_page_size page_size; + if (!info->total_len && !info->all_memory) + return -EINVAL; + page_size = (info->page_size == 0x200000) ? I40IW_PAGE_SIZE_2M : I40IW_PAGE_SIZE_4K; cqp = dev->cqp; wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch); @@ -3003,6 +3006,9 @@ static enum i40iw_status_code i40iw_sc_mr_reg_non_shared( u8 addr_type; enum i40iw_page_size page_size; + if (!info->total_len && !info->all_memory) + return -EINVAL; + page_size = (info->page_size == 0x200000) ? I40IW_PAGE_SIZE_2M : I40IW_PAGE_SIZE_4K; if (info->access_rights & (I40IW_ACCESS_FLAGS_REMOTEREAD_ONLY | I40IW_ACCESS_FLAGS_REMOTEWRITE_ONLY)) diff --git a/drivers/infiniband/hw/i40iw/i40iw_type.h b/drivers/infiniband/hw/i40iw/i40iw_type.h index adc8d2ec523d..5c4e2f206105 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_type.h +++ b/drivers/infiniband/hw/i40iw/i40iw_type.h @@ -779,6 +779,7 @@ struct i40iw_allocate_stag_info { bool use_hmc_fcn_index; u8 hmc_fcn_index; bool use_pf_rid; + bool all_memory; }; struct i40iw_reg_ns_stag_info { @@ -797,6 +798,7 @@ struct i40iw_reg_ns_stag_info { bool use_hmc_fcn_index; u8 hmc_fcn_index; bool use_pf_rid; + bool all_memory; }; struct i40iw_fast_reg_stag_info { diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index a5e3349b8a7c..9cf8bf2c87e7 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -1603,7 +1603,8 @@ static int i40iw_handle_q_mem(struct i40iw_device *iwdev, static int i40iw_hw_alloc_stag(struct i40iw_device *iwdev, struct i40iw_mr *iwmr) { struct i40iw_allocate_stag_info *info; - struct i40iw_pd *iwpd = to_iwpd(iwmr->ibmr.pd); + struct ib_pd *pd = iwmr->ibmr.pd; + struct i40iw_pd *iwpd = to_iwpd(pd); enum i40iw_status_code status; int err = 0; struct i40iw_cqp_request *cqp_request; @@ -1620,6 +1621,7 @@ static int i40iw_hw_alloc_stag(struct i40iw_device *iwdev, struct i40iw_mr *iwmr info->stag_idx = iwmr->stag >> I40IW_CQPSQ_STAG_IDX_SHIFT; info->pd_id = iwpd->sc_pd.pd_id; info->total_len = iwmr->length; + info->all_memory = pd->flags & IB_PD_UNSAFE_GLOBAL_RKEY; info->remote_access = true; cqp_info->cqp_cmd = OP_ALLOC_STAG; cqp_info->post_sq = 1; @@ -1673,6 +1675,8 @@ static struct ib_mr *i40iw_alloc_mr(struct ib_pd *pd, iwmr->type = IW_MEMREG_TYPE_MEM; palloc = &iwpbl->pble_alloc; iwmr->page_cnt = max_num_sg; + /* Use system PAGE_SIZE as the sg page sizes are unknown at this point */ + iwmr->length = max_num_sg * PAGE_SIZE; mutex_lock(&iwdev->pbl_mutex); status = i40iw_get_pble(&iwdev->sc_dev, iwdev->pble_rsrc, palloc, iwmr->page_cnt); mutex_unlock(&iwdev->pbl_mutex); @@ -1769,7 +1773,8 @@ static int i40iw_hwreg_mr(struct i40iw_device *iwdev, { struct i40iw_pbl *iwpbl = &iwmr->iwpbl; struct i40iw_reg_ns_stag_info *stag_info; - struct i40iw_pd *iwpd = to_iwpd(iwmr->ibmr.pd); + struct ib_pd *pd = iwmr->ibmr.pd; + struct i40iw_pd *iwpd = to_iwpd(pd); struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc; enum i40iw_status_code status; int err = 0; @@ -1789,6 +1794,7 @@ static int i40iw_hwreg_mr(struct i40iw_device *iwdev, stag_info->total_len = iwmr->length; stag_info->access_rights = access; stag_info->pd_id = iwpd->sc_pd.pd_id; + stag_info->all_memory = pd->flags & IB_PD_UNSAFE_GLOBAL_RKEY; stag_info->addr_type = I40IW_ADDR_TYPE_VA_BASED; stag_info->page_size = iwmr->page_size; -- 2.34.1

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[PATCH openEuler-23.09 v2 0/2] configs: open drivers' config
by Liu Chao 04 Sep '23

04 Sep '23

From: root <root(a)localhost.localdomain> openeuler inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I7VEEV CVE: NA -------------------------------- The number of drivers opened by openEuler is less than other distributions. In order to narrow the gap with other distributions and support more hardware devices, especially various PC hardware commonly used by developers and personal users, more hardware driver modules need to be enabled. Reference:https://gitee.com/openeuler/TC/blob/master/oEEP/oEEP-0006%20openE… Changes in v2: Enable more driver configurations, such as crypto, Intel platform, virtio, vdpa, and so on. Liu Chao (2): configs: aarch64: open drivers' config configs: x86_64: open drivers' config arch/arm64/configs/openeuler_defconfig | 4525 ++++++++++++++++++----- arch/x86/configs/openeuler_defconfig | 4617 ++++++++++++++++-------- 2 files changed, 6594 insertions(+), 2548 deletions(-) -- 2.33.0

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