[PATCH 2/2] drm/syncobj: Lookup the syncobj with RCU protection

kbuild test robot lkp at intel.com
Sat Aug 3 11:25:44 UTC 2019


Hi Chris,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.3-rc2 next-20190802]
[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/Chris-Wilson/drm-syncobj-Convert-syncobj_idr-to-XArray/20190803-170547
reproduce: make htmldocs

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

   include/linux/skbuff.h:893: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff'
   include/net/sock.h:233: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_portpair' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_v6_daddr' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_v6_rcv_saddr' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_cookie' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_listener' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_tw_dr' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_rcv_wnd' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member 'skc_tw_rcv_nxt' not described in 'sock_common'
   include/net/sock.h:515: warning: Function parameter or member 'sk_rx_skb_cache' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member 'sk_wq_raw' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member 'tcp_rtx_queue' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member 'sk_tx_skb_cache' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member 'sk_route_forced_caps' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member 'sk_txtime_report_errors' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member 'sk_validate_xmit_skb' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member 'sk_bpf_storage' not described in 'sock'
   include/net/sock.h:2439: warning: Function parameter or member 'tcp_rx_skb_cache_key' not described in 'DECLARE_STATIC_KEY_FALSE'
   include/net/sock.h:2439: warning: Excess function parameter 'sk' description in 'DECLARE_STATIC_KEY_FALSE'
   include/net/sock.h:2439: warning: Excess function parameter 'skb' description in 'DECLARE_STATIC_KEY_FALSE'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'gso_partial_features' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'tlsdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'name_assign_type' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'mpls_ptr' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'xdp_prog' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'nf_hooks_ingress' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member '____cacheline_aligned_in_smp' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'qdisc_hash' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'xps_cpus_map' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member 'xps_rxqs_map' not described in 'net_device'
   include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in 'phylink_link_state'
   include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in 'phylink_link_state'
   drivers/net/phy/phylink.c:593: warning: Function parameter or member 'config' not described in 'phylink_create'
   drivers/net/phy/phylink.c:593: warning: Excess function parameter 'ndev' description in 'phylink_create'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'quotactl' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'quota_on' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_free_mnt_opts' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_eat_lsm_opts' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_kern_mount' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_show_options' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'sb_add_mnt_opt' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'd_instantiate' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'getprocattr' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'setprocattr' not described in 'security_list_options'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:142: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_read_lock'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:347: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor '
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:348: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor '
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:494: warning: Function parameter or member 'start' not described in 'amdgpu_vm_pt_first_dfs'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'start' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:823: warning: Function parameter or member 'level' not described in 'amdgpu_vm_bo_param'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'level' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2822: warning: Function parameter or member 'pasid' not described in 'amdgpu_vm_make_compute'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:378: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:379: warning: Function parameter or member 'ih' not described in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:379: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:1: warning: no structured comments found
   drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1: warning: no structured comments found
   drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:1: warning: 'pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie' not found
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:131: warning: Incorrect use of kernel-doc format:          * @atomic_obj
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:237: warning: Incorrect use of kernel-doc format:          * gpu_info FW provided soc bounding box struct or 0 if not
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'atomic_obj' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'backlight_link' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'backlight_caps' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'freesync_module' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'fw_dmcu' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'dmcu_fw_version' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function parameter or member 'soc_bounding_box' not described in 'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'dm_pflip_high_irq' not found
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'dm_crtc_high_irq' not found
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'register_hpd_handlers' not found
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver'
   include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or member 'prepare_writeback_job' not described in 'drm_connector_helper_funcs'
   include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or member 'cleanup_writeback_job' not described in 'drm_connector_helper_funcs'
   include/drm/drm_atomic_state_helper.h:1: warning: no structured comments found
>> include/drm/drm_syncobj.h:67: warning: Function parameter or member 'rcu' not described in 'drm_syncobj'
   include/net/cfg80211.h:1092: warning: Function parameter or member 'txpwr' not described in 'station_parameters'
   include/net/mac80211.h:4043: warning: Function parameter or member 'sta_set_txpwr' not described in 'ieee80211_ops'
   Documentation/admin-guide/xfs.rst:257: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/uapi/linux/firewire-cdev.h:312: WARNING: Inline literal start-string without end-string.
   drivers/firewire/core-transaction.c:606: WARNING: Inline strong start-string without end-string.
   drivers/message/fusion/mptbase.c:5057: WARNING: Definition list ends without a blank line; unexpected unindent.
   drivers/tty/serial/serial_core.c:1964: WARNING: Definition list ends without a blank line; unexpected unindent.
   Documentation/index.rst:94: WARNING: toctree contains reference to nonexisting document 'virtual/index'
   Documentation/crypto/crypto_engine.rst:2: WARNING: Explicit markup ends without a blank line; unexpected unindent.
   Documentation/kbuild/makefiles.rst:1142: WARNING: Inline emphasis start-string without end-string.
   Documentation/kbuild/makefiles.rst:1152: WARNING: Inline emphasis start-string without end-string.
   Documentation/kbuild/makefiles.rst:1154: WARNING: Inline emphasis start-string without end-string.
   include/linux/i2c.h:522: WARNING: Inline strong start-string without end-string.
   include/linux/regulator/driver.h:284: WARNING: Unknown target name: "regulator_regmap_x_voltage".
   include/linux/spi/spi.h:382: WARNING: Unexpected indentation.
   fs/seq_file.c:40: WARNING: Inline strong start-string without end-string.
   fs/seq_file.c:40: WARNING: Inline strong start-string without end-string.
   fs/seq_file.c:40: WARNING: Inline strong start-string without end-string.
   fs/seq_file.c:40: WARNING: Inline strong start-string without end-string.
   fs/posix_acl.c:636: WARNING: Inline emphasis start-string without end-string.
   fs/debugfs/inode.c:399: WARNING: Inline literal start-string without end-string.
   fs/debugfs/inode.c:478: WARNING: Inline literal start-string without end-string.
   fs/debugfs/inode.c:510: WARNING: Inline literal start-string without end-string.
   fs/debugfs/inode.c:603: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:394: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:400: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:439: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:445: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:484: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:490: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:530: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:536: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:578: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:584: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:845: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:851: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:898: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:904: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:1090: WARNING: Inline literal start-string without end-string.
   fs/debugfs/file.c:1096: WARNING: Inline literal start-string without end-string.
   drivers/ata/libata-core.c:5945: WARNING: Unknown target name: "hw".
   kernel/signal.c:349: WARNING: Inline literal start-string without end-string.
   include/linux/xarray.h:232: WARNING: Unexpected indentation.
   include/linux/netdevice.h:3482: WARNING: Inline emphasis start-string without end-string.
   include/linux/netdevice.h:3482: WARNING: Inline emphasis start-string without end-string.
   net/core/dev.c:5008: WARNING: Unknown target name: "page_is".
   Documentation/security/keys/core.rst:1110: WARNING: Inline emphasis start-string without end-string.
   Documentation/security/keys/core.rst:1110: WARNING: Inline emphasis start-string without end-string.
   Documentation/security/keys/core.rst:1108: WARNING: Inline emphasis start-string without end-string.
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   Documentation/security/keys/core.rst:1108: WARNING: Inline emphasis start-string without end-string.
   Documentation/trace/kprobetrace.rst:99: WARNING: Explicit markup ends without a blank line; unexpected unindent.
   drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:245: WARNING: Unexpected indentation.
   drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:248: WARNING: Block quote ends without a blank line; unexpected unindent.
   drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:271: WARNING: Unexpected indentation.
   drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:282: WARNING: Unexpected indentation.
   drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:2202: WARNING: Inline emphasis start-string without end-string.
   drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:2204: WARNING: Inline emphasis start-string without end-string.
   include/drm/drm_connector.h:540: WARNING: Inline interpreted text or phrase reference start-string without end-string.
   include/drm/drm_connector.h:540: WARNING: Inline interpreted text or phrase reference start-string without end-string.
   Documentation/translations/it_IT/process/maintainer-pgp-guide.rst:458: WARNING: Unknown target name: "nitrokey pro".
   Documentation/virt/index.rst: WARNING: document isn't included in any toctree
   include/linux/slab.h:500: WARNING: undefined label: memory-allocation (if the link has no caption the label must precede a section header)
   Documentation/gpu/drm-internals.rst:302: WARNING: Could not lex literal_block as "c". Highlighting skipped.
   WARNING: LaTeX command 'latex' cannot be run (needed for math display), check the imgmath_latex setting
   WARNING: LaTeX command 'latex' cannot be run (needed for math display), check the imgmath_latex setting
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   Documentation/trace/kprobetrace.rst:68: WARNING: undefined label: user_mem_access (if the link has no caption the label must precede a section header)
   WARNING: LaTeX command 'latex' cannot be run (needed for math display), check the imgmath_latex setting

vim +67 include/drm/drm_syncobj.h

e9083420bbacce2 Dave Airlie     2017-04-04  @67  
e9083420bbacce2 Dave Airlie     2017-04-04   68  void drm_syncobj_free(struct kref *kref);
e9083420bbacce2 Dave Airlie     2017-04-04   69  
e9083420bbacce2 Dave Airlie     2017-04-04   70  /**
e9083420bbacce2 Dave Airlie     2017-04-04   71   * drm_syncobj_get - acquire a syncobj reference
e9083420bbacce2 Dave Airlie     2017-04-04   72   * @obj: sync object
e9083420bbacce2 Dave Airlie     2017-04-04   73   *
924fe8df7fcfa50 Daniel Vetter   2017-12-14   74   * This acquires an additional reference to @obj. It is illegal to call this
e9083420bbacce2 Dave Airlie     2017-04-04   75   * without already holding a reference. No locks required.
e9083420bbacce2 Dave Airlie     2017-04-04   76   */
e9083420bbacce2 Dave Airlie     2017-04-04   77  static inline void
e9083420bbacce2 Dave Airlie     2017-04-04   78  drm_syncobj_get(struct drm_syncobj *obj)
e9083420bbacce2 Dave Airlie     2017-04-04   79  {
e9083420bbacce2 Dave Airlie     2017-04-04   80  	kref_get(&obj->refcount);
e9083420bbacce2 Dave Airlie     2017-04-04   81  }
e9083420bbacce2 Dave Airlie     2017-04-04   82  
e9083420bbacce2 Dave Airlie     2017-04-04   83  /**
e9083420bbacce2 Dave Airlie     2017-04-04   84   * drm_syncobj_put - release a reference to a sync object.
e9083420bbacce2 Dave Airlie     2017-04-04   85   * @obj: sync object.
e9083420bbacce2 Dave Airlie     2017-04-04   86   */
e9083420bbacce2 Dave Airlie     2017-04-04   87  static inline void
e9083420bbacce2 Dave Airlie     2017-04-04   88  drm_syncobj_put(struct drm_syncobj *obj)
e9083420bbacce2 Dave Airlie     2017-04-04   89  {
e9083420bbacce2 Dave Airlie     2017-04-04   90  	kref_put(&obj->refcount, drm_syncobj_free);
e9083420bbacce2 Dave Airlie     2017-04-04   91  }
e9083420bbacce2 Dave Airlie     2017-04-04   92  
131280a162e7fc2 Eric Anholt     2018-11-08   93  /**
131280a162e7fc2 Eric Anholt     2018-11-08   94   * drm_syncobj_fence_get - get a reference to a fence in a sync object
131280a162e7fc2 Eric Anholt     2018-11-08   95   * @syncobj: sync object.
131280a162e7fc2 Eric Anholt     2018-11-08   96   *
131280a162e7fc2 Eric Anholt     2018-11-08   97   * This acquires additional reference to &drm_syncobj.fence contained in @obj,
131280a162e7fc2 Eric Anholt     2018-11-08   98   * if not NULL. It is illegal to call this without already holding a reference.
131280a162e7fc2 Eric Anholt     2018-11-08   99   * No locks required.
131280a162e7fc2 Eric Anholt     2018-11-08  100   *
131280a162e7fc2 Eric Anholt     2018-11-08  101   * Returns:
131280a162e7fc2 Eric Anholt     2018-11-08  102   * Either the fence of @obj or NULL if there's none.
131280a162e7fc2 Eric Anholt     2018-11-08  103   */
131280a162e7fc2 Eric Anholt     2018-11-08  104  static inline struct dma_fence *
131280a162e7fc2 Eric Anholt     2018-11-08  105  drm_syncobj_fence_get(struct drm_syncobj *syncobj)
131280a162e7fc2 Eric Anholt     2018-11-08  106  {
131280a162e7fc2 Eric Anholt     2018-11-08  107  	struct dma_fence *fence;
131280a162e7fc2 Eric Anholt     2018-11-08  108  
131280a162e7fc2 Eric Anholt     2018-11-08  109  	rcu_read_lock();
131280a162e7fc2 Eric Anholt     2018-11-08  110  	fence = dma_fence_get_rcu_safe(&syncobj->fence);
131280a162e7fc2 Eric Anholt     2018-11-08  111  	rcu_read_unlock();
131280a162e7fc2 Eric Anholt     2018-11-08  112  
131280a162e7fc2 Eric Anholt     2018-11-08  113  	return fence;
131280a162e7fc2 Eric Anholt     2018-11-08  114  }
131280a162e7fc2 Eric Anholt     2018-11-08  115  
e9083420bbacce2 Dave Airlie     2017-04-04  116  struct drm_syncobj *drm_syncobj_find(struct drm_file *file_private,
e9083420bbacce2 Dave Airlie     2017-04-04  117  				     u32 handle);
44f8a1396e83f10 Christian König 2019-04-01  118  void drm_syncobj_add_point(struct drm_syncobj *syncobj,
44f8a1396e83f10 Christian König 2019-04-01  119  			   struct dma_fence_chain *chain,
44f8a1396e83f10 Christian König 2019-04-01  120  			   struct dma_fence *fence,
44f8a1396e83f10 Christian König 2019-04-01  121  			   uint64_t point);
0b258ed1a219a97 Christian König 2018-11-14  122  void drm_syncobj_replace_fence(struct drm_syncobj *syncobj,
e9083420bbacce2 Dave Airlie     2017-04-04  123  			       struct dma_fence *fence);
afaf59237843bf8 Jason Ekstrand  2017-08-25  124  int drm_syncobj_find_fence(struct drm_file *file_private,
649fdce23cdf516 Chunming Zhou   2018-10-15  125  			   u32 handle, u64 point, u64 flags,
e9083420bbacce2 Dave Airlie     2017-04-04  126  			   struct dma_fence **fence);
e9083420bbacce2 Dave Airlie     2017-04-04  127  void drm_syncobj_free(struct kref *kref);
1321fd2c010e7cc Marek Olšák     2017-09-12  128  int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,
1321fd2c010e7cc Marek Olšák     2017-09-12  129  		       struct dma_fence *fence);
1321fd2c010e7cc Marek Olšák     2017-09-12  130  int drm_syncobj_get_handle(struct drm_file *file_private,
1321fd2c010e7cc Marek Olšák     2017-09-12  131  			   struct drm_syncobj *syncobj, u32 *handle);
684fd0af4732f37 Marek Olšák     2017-09-12  132  int drm_syncobj_get_fd(struct drm_syncobj *syncobj, int *p_fd);
e9083420bbacce2 Dave Airlie     2017-04-04  133  
e9083420bbacce2 Dave Airlie     2017-04-04  134  #endif

:::::: The code at line 67 was first introduced by commit
:::::: e9083420bbacce27e43d418064d0d2dfb4b37aaa drm: introduce sync objects (v4)

:::::: TO: Dave Airlie <airlied at redhat.com>
:::::: CC: Dave Airlie <airlied at redhat.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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