Re: [PATCH] drm/i915/gvt: move intel_runtime_pm_get out of spin_lock in stop_schedule

[Hang Yuan <hang.yuan@linux.intel.com>]

On 07/31/2018 11:09 PM, Greg KH wrote:
> On Tue, Jul 31, 2018 at 06:05:46PM +0800, hang.yuan@linux.intel.com wrote:
>> From: Hang Yuan <hang.yuan@linux.intel.com>
>>
>> pm_runtime_get_sync in intel_runtime_pm_get might sleep if i915
>> device is not active. When stop vgpu schedule, the device may be
>> inactive. So need to move runtime_pm_get out of spin_lock/unlock.
>>
>> Fixes: b24881e0b0b6("drm/i915/gvt: Add runtime_pm_get/put into gvt_switch_mmio
>> Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
>> Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
>> ---
>>   drivers/gpu/drm/i915/gvt/mmio_context.c | 2 --
>>   drivers/gpu/drm/i915/gvt/sched_policy.c | 3 +++
>>   2 files changed, 3 insertions(+), 2 deletions(-)
> 
> <formletter>
> 
> This is not the correct way to submit patches for inclusion in the
> stable kernel tree.  Please read:
>      https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> for how to do this properly.
> 
> </formletter>
> 
Thank you for the guide. I misunderstood the option 1.

Regards,
Henry