[Intel-gfx] [PATCH] drm/i915: Only report a wakeup if the waiter was truly asleep

[kbuild test robot]

Hi Chris,

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on next-20170405]
[cannot apply to v4.11-rc5]
[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-i915-Only-report-a-wakeup-if-the-waiter-was-truly-asleep/20170405-165353
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-sb0-04050506 (attached as .config)
compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_breadcrumbs.c: In function '__wake_up_sleeper':
>> drivers/gpu/drm/i915/intel_breadcrumbs.c:38:13: error: 'struct task_struct' has no member named 'on_cpu'
     return !tsk->on_cpu && wake_up_process(tsk);
                ^
   drivers/gpu/drm/i915/intel_breadcrumbs.c:39:1: warning: control reaches end of non-void function [-Wreturn-type]
    }
    ^

vim +38 drivers/gpu/drm/i915/intel_breadcrumbs.c

    32		/* Be careful not to report a successful wakeup if the waiter is
    33		 * currently processing the seqno, where it will have already
    34		 * called set_task_state(TASK_INTERRUPTIBLE). We first check whether
    35		 * the task is currently asleep before calling ttwu, and then we
    36		 * only report success if we were the ones to then trigger the wakeup.
    37		 */
  > 38		return !tsk->on_cpu && wake_up_process(tsk);
    39	}
    40	
    41	static unsigned int __intel_breadcrumbs_wakeup(struct intel_breadcrumbs *b)

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