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Message-ID: <201612201248.mAeNJArh%fengguang.wu@intel.com>
Date: Tue, 20 Dec 2016 12:11:51 +0800
From: kbuild test robot <lkp@...el.com>
To: Scott Bauer <scott.bauer@...el.com>
Cc: kbuild-all@...org, linux-nvme@...ts.infradead.org,
Rafael.Antognolli@...el.com, axboe@...com, keith.busch@...el.com,
jonathan.derrick@...el.com, viro@...iv.linux.org.uk,
hch@...radead.org, linux-kernel@...r.kernel.org, sagi@...mberg.me,
Scott Bauer <scott.bauer@...el.com>
Subject: Re: [PATCH v3 4/5] nvme: Implement resume_from_suspend and SED
Allocation code.
Hi Scott,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.9 next-20161219]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Scott-Bauer/include-Add-definitions-for-sed/20161220-110214
config: x86_64-randconfig-i0-201651 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
drivers/nvme/host/core.c: In function 'nvme_sec_submit':
>> drivers/nvme/host/core.c:770:9: warning: missing braces around initializer [-Wmissing-braces]
struct nvme_command cmd = { 0 };
^
drivers/nvme/host/core.c:770:9: warning: (near initialization for 'cmd.<anonymous>') [-Wmissing-braces]
Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size
Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:__set_bit
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:test_and_set_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64
Cyclomatic Complexity 1 include/uapi/linux/byteorder/little_endian.h:__le64_to_cpup
Cyclomatic Complexity 1 include/uapi/linux/byteorder/little_endian.h:__le16_to_cpup
Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64
Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD
Cyclomatic Complexity 1 include/linux/list.h:__list_del
Cyclomatic Complexity 1 include/linux/list.h:list_empty
Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
Cyclomatic Complexity 2 arch/x86/include/asm/page_64.h:__phys_addr_nodebug
Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_read
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_set
Cyclomatic Complexity 2 arch/x86/include/asm/atomic.h:atomic_sub_and_test
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_add_return
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_cmpxchg
Cyclomatic Complexity 5 arch/x86/include/asm/atomic.h:__atomic_add_unless
Cyclomatic Complexity 1 include/linux/atomic.h:atomic_add_unless
Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR
Cyclomatic Complexity 1 include/linux/thread_info.h:check_object_size
Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock_irq
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_irq
Cyclomatic Complexity 1 include/linux/jiffies.h:_msecs_to_jiffies
Cyclomatic Complexity 5 include/linux/jiffies.h:msecs_to_jiffies
Cyclomatic Complexity 1 include/linux/workqueue.h:to_delayed_work
Cyclomatic Complexity 1 include/linux/signal.h:sigismember
Cyclomatic Complexity 1 include/linux/sched.h:task_thread_info
Cyclomatic Complexity 1 include/linux/slab.h:__kmalloc_node
Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large
Cyclomatic Complexity 5 include/linux/slab.h:kmalloc
Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_node
Cyclomatic Complexity 1 include/linux/slab.h:kzalloc
Cyclomatic Complexity 1 include/linux/slab.h:kzalloc_node
Cyclomatic Complexity 1 include/linux/kref.h:kref_init
Cyclomatic Complexity 1 include/linux/kref.h:kref_get_unless_zero
Cyclomatic Complexity 1 include/linux/device.h:dev_to_node
Cyclomatic Complexity 1 include/linux/device.h:dev_get_drvdata
Cyclomatic Complexity 1 include/linux/fs.h:iminor
Cyclomatic Complexity 1 include/linux/genhd.h:get_capacity
Cyclomatic Complexity 1 include/linux/genhd.h:set_capacity
Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_read
Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_write
Cyclomatic Complexity 11 arch/x86/include/asm/uaccess.h:copy_from_user
Cyclomatic Complexity 11 arch/x86/include/asm/uaccess.h:copy_to_user
Cyclomatic Complexity 1 include/linux/blk_types.h:op_is_write
Cyclomatic Complexity 1 include/linux/blkdev.h:queue_flag_set_unlocked
Cyclomatic Complexity 1 include/linux/blkdev.h:blk_rq_pos
Cyclomatic Complexity 1 include/linux/blkdev.h:blk_rq_bytes
Cyclomatic Complexity 1 include/linux/blkdev.h:blk_integrity_rq
Cyclomatic Complexity 1 include/linux/blkdev.h:blk_queue_max_integrity_segments
Cyclomatic Complexity 1 include/linux/blk-mq.h:blk_mq_rq_to_pdu
Cyclomatic Complexity 1 include/linux/module.h:try_module_get
Cyclomatic Complexity 1 include/linux/module.h:module_put
Cyclomatic Complexity 1 include/linux/unaligned/access_ok.h:put_unaligned_le64
Cyclomatic Complexity 1 drivers/nvme/host/nvme.h:nvme_req
Cyclomatic Complexity 1 drivers/nvme/host/nvme.h:nvme_block_nr
Cyclomatic Complexity 1 drivers/nvme/host/nvme.h:nvme_nvm_register
Cyclomatic Complexity 1 drivers/nvme/host/nvme.h:nvme_nvm_unregister
Cyclomatic Complexity 1 drivers/nvme/host/nvme.h:nvme_nvm_register_sysfs
Cyclomatic Complexity 1 drivers/nvme/host/nvme.h:nvme_nvm_unregister_sysfs
Cyclomatic Complexity 1 drivers/nvme/host/nvme.h:nvme_nvm_ns_supported
Cyclomatic Complexity 1 drivers/nvme/host/nvme.h:nvme_get_ns_from_dev
Cyclomatic Complexity 1 drivers/nvme/host/core.c:nvme_getgeo
Cyclomatic Complexity 7 drivers/nvme/host/core.c:nvme_pr_type
Cyclomatic Complexity 1 drivers/nvme/host/core.c:nvme_sysfs_show_address
Cyclomatic Complexity 1 drivers/nvme/host/core.c:ns_cmp
Cyclomatic Complexity 2 drivers/nvme/host/core.c:nvme_async_event_work
Cyclomatic Complexity 2 include/linux/thread_info.h:test_ti_thread_flag
Cyclomatic Complexity 1 include/linux/sched.h:test_tsk_thread_flag
Cyclomatic Complexity 3 include/linux/blkdev.h:blk_get_integrity
Cyclomatic Complexity 3 drivers/nvme/host/core.c:nvme_sysfs_reset
Cyclomatic Complexity 21 drivers/nvme/host/core.c:nvme_dev_attrs_are_visible
Cyclomatic Complexity 9 include/linux/blkdev.h:queue_logical_block_size
Cyclomatic Complexity 7 drivers/nvme/host/core.c:nvme_dev_open
Cyclomatic Complexity 3 drivers/nvme/host/nvme.h:nvme_reset_subsystem
Cyclomatic Complexity 3 include/linux/nvme.h:nvme_is_write
Cyclomatic Complexity 2 include/linux/err.h:IS_ERR
Cyclomatic Complexity 1 include/linux/sched.h:signal_pending
Cyclomatic Complexity 1 include/linux/sched.h:__fatal_signal_pending
Cyclomatic Complexity 3 include/linux/sched.h:fatal_signal_pending
Cyclomatic Complexity 1 drivers/nvme/host/core.c:nvme_setup_flush
Cyclomatic Complexity 3 drivers/nvme/host/core.c:nvme_setup_discard
Cyclomatic Complexity 13 drivers/nvme/host/core.c:nvme_setup_rw
Cyclomatic Complexity 4 arch/x86/include/asm/uaccess.h:copy_user_overflow
Cyclomatic Complexity 1 include/linux/workqueue.h:queue_delayed_work
Cyclomatic Complexity 1 include/linux/workqueue.h:schedule_delayed_work
Cyclomatic Complexity 3 drivers/nvme/host/core.c:nvme_keep_alive_end_io
Cyclomatic Complexity 12 drivers/nvme/host/core.c:nvme_wait_ready
Cyclomatic Complexity 7 drivers/nvme/host/core.c:nvme_set_queue_limits
vim +770 drivers/nvme/host/core.c
754 timeout = msecs_to_jiffies(cmd.timeout_ms);
755
756 status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c,
757 (void __user *)(uintptr_t)cmd.addr, cmd.data_len,
758 &cmd.result, timeout);
759 if (status >= 0) {
760 if (put_user(cmd.result, &ucmd->result))
761 return -EFAULT;
762 }
763
764 return status;
765 }
766
767 static int nvme_sec_submit(struct nvme_ctrl *ctrl, u16 spsp, u8 secp,
768 void *buffer, size_t len, u8 opcode)
769 {
> 770 struct nvme_command cmd = { 0 };
771 struct nvme_ns *ns = NULL;
772
773 mutex_lock(&ctrl->namespaces_mutex);
774 if (!list_empty(&ctrl->namespaces))
775 ns = list_first_entry(&ctrl->namespaces, struct nvme_ns, list);
776
777 mutex_unlock(&ctrl->namespaces_mutex);
778 if (!ns)
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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