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From: kbuild test robot <lkp@intel.com>
To: Akhil P Oommen <akhilpo@codeaurora.org>
Cc: kbuild-all@01.org, sumit.semwal@linaro.org, gustavo@padovan.org,
	linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org,
	linux-kernel@vger.kernel.org, jcrouse@codeaurora.org,
	smasetty@codeaurora.org, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH] dma-buf/fence: Take refcount on the module that owns the fence
Date: Tue, 19 Jun 2018 16:28:07 +0800	[thread overview]
Message-ID: <201806191548.9bHqcNqo%fengguang.wu@intel.com> (raw)
In-Reply-To: <1529388605-10044-1-git-send-email-akhilpo@codeaurora.org>

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Hi Akhil,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.18-rc1 next-20180618]
[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/Akhil-P-Oommen/dma-buf-fence-Take-refcount-on-the-module-that-owns-the-fence/20180619-142309
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org)
   mm/mempool.c:228: warning: Function parameter or member 'pool' not described in 'mempool_init'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.ibss' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.connect' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.keys' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.ie' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.ie_len' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.bssid' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.ssid' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.default_key' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.default_mgmt_key' not described in 'wireless_dev'
   include/net/cfg80211.h:4279: warning: Function parameter or member 'wext.prev_bssid_valid' not described in 'wireless_dev'
   include/net/mac80211.h:2282: warning: Function parameter or member 'radiotap_timestamp.units_pos' not described in 'ieee80211_hw'
   include/net/mac80211.h:2282: warning: Function parameter or member 'radiotap_timestamp.accuracy' not described in 'ieee80211_hw'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.rates' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.rts_cts_rate_idx' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.use_rts' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.use_cts_prot' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.short_preamble' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.skip_table' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.jiffies' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.vif' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.hw_key' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.flags' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'control.enqueue_time' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'ack' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'ack.cookie' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'status.rates' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'status.ack_signal' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'status.ampdu_ack_len' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'status.ampdu_len' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'status.antenna' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'status.tx_time' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'status.is_valid_ack_signal' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'status.status_driver_data' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'driver_rates' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'pad' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:955: warning: Function parameter or member 'rate_driver_data' not described in 'ieee80211_tx_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg.signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg.chain_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.filtered' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.retry_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.retry_count' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.lost_packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_tdls_pkt_time' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.msdu_retries' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.msdu_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_ack' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.ack_signal_filled' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.avg_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.bytes' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.last_rate' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.msdu' not described in 'sta_info'
   kernel/sched/fair.c:3760: warning: Function parameter or member 'flags' not described in 'attach_entity_load_avg'
   include/linux/device.h:93: warning: bad line: this bus.
   include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_excl.active' not described in 'dma_buf'
   include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_shared.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_shared.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:307: warning: Function parameter or member 'cb_shared.active' not described in 'dma_buf'
>> drivers/dma-buf/dma-fence.c:567: warning: Function parameter or member 'module' not described in '_dma_fence_init'
   include/linux/dma-fence-array.h:54: warning: Function parameter or member 'work' not described in 'dma_fence_array'
   include/linux/gpio/driver.h:142: warning: Function parameter or member 'request_key' not described in 'gpio_irq_chip'
   include/linux/iio/hw-consumer.h:1: warning: no structured comments found
   include/linux/device.h:94: warning: bad line: this bus.
   include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry'
   include/linux/regulator/driver.h:227: warning: Function parameter or member 'resume_early' not described in 'regulator_ops'
   drivers/regulator/core.c:4465: warning: Excess function parameter 'state' description in 'regulator_suspend_late'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw0' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw1' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw2' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw3' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.eadm' not described in 'irb'
   drivers/usb/dwc3/gadget.c:510: warning: Excess function parameter 'dwc' description in 'dwc3_gadget_start_config'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver'
   include/drm/drm_drv.h:610: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver'
   drivers/gpu/drm/i915/i915_vma.h:48: warning: cannot understand function prototype: 'struct i915_vma '
   drivers/gpu/drm/i915/i915_vma.h:1: warning: no structured comments found
   include/drm/tinydrm/tinydrm.h:34: warning: Function parameter or member 'fb_dirty' not described in 'tinydrm_device'
   drivers/gpu/drm/tinydrm/mipi-dbi.c:272: warning: Function parameter or member 'crtc_state' not described in 'mipi_dbi_enable_flush'
   drivers/gpu/drm/tinydrm/mipi-dbi.c:272: warning: Function parameter or member 'plane_state' not described in 'mipi_dbi_enable_flush'

vim +567 drivers/dma-buf/dma-fence.c

a519435a drivers/dma-buf/fence.c     Christian König   2015-10-20  545  
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  546  /**
f54d1867 drivers/dma-buf/dma-fence.c Chris Wilson      2016-10-25  547   * dma_fence_init - Initialize a custom fence.
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  548   * @fence:	[in]	the fence to initialize
f54d1867 drivers/dma-buf/dma-fence.c Chris Wilson      2016-10-25  549   * @ops:	[in]	the dma_fence_ops for operations on this fence
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  550   * @lock:	[in]	the irqsafe spinlock to use for locking this fence
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  551   * @context:	[in]	the execution context this fence is run on
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  552   * @seqno:	[in]	a linear increasing sequence number for this context
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  553   *
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  554   * Initializes an allocated fence, the caller doesn't have to keep its
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  555   * refcount after committing with this fence, but it will need to hold a
f54d1867 drivers/dma-buf/dma-fence.c Chris Wilson      2016-10-25  556   * refcount again if dma_fence_ops.enable_signaling gets called. This can
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  557   * be used for other implementing other types of fence.
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  558   *
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  559   * context and seqno are used for easy comparison between fences, allowing
f54d1867 drivers/dma-buf/dma-fence.c Chris Wilson      2016-10-25  560   * to check which fence is later by simply using dma_fence_later.
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  561   */
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  562  void
9c7d6561 drivers/dma-buf/dma-fence.c Akhil P Oommen    2018-06-19  563  _dma_fence_init(struct module *module, struct dma_fence *fence,
9c7d6561 drivers/dma-buf/dma-fence.c Akhil P Oommen    2018-06-19  564  		const struct dma_fence_ops *ops, spinlock_t *lock,
9c7d6561 drivers/dma-buf/dma-fence.c Akhil P Oommen    2018-06-19  565  		u64 context, unsigned seqno)
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01  566  {
e941759c drivers/dma-buf/fence.c     Maarten Lankhorst 2014-07-01 @567  	BUG_ON(!lock);

:::::: The code at line 567 was first introduced by commit
:::::: e941759c74a44d6ac2eed21bb0a38b21fe4559e2 fence: dma-buf cross-device synchronization (v18)

:::::: TO: Maarten Lankhorst <maarten.lankhorst@canonical.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

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      reply	other threads:[~2018-06-19  8:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-19  6:10 [PATCH] dma-buf/fence: Take refcount on the module that owns the fence Akhil P Oommen
2018-06-19  8:28 ` kbuild test robot [this message]

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