[Intel-gfx] [PATCH 02/50] drm/i915: Mark up ips for RCU protection

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> drivers/gpu/drm/i915/intel_pm.c:8352:9: error: incompatible types in comparison expression (different address spaces)
> drivers/gpu/drm/i915/intel_pm.c:8359:9: error: incompatible types in comparison expression (different address spaces)
>

Yes, they are gone,

Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 8e826a6ab62e..934bbcf62025 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -8263,14 +8263,14 @@ unsigned long i915_gfx_val(struct drm_i915_private *dev_priv)
>  	return val;
>  }
>  
> -static struct drm_i915_private *i915_mch_dev;
> +static struct drm_i915_private __rcu *i915_mch_dev;
>  
>  static struct drm_i915_private *mchdev_get(void)
>  {
>  	struct drm_i915_private *i915;
>  
>  	rcu_read_lock();
> -	i915 = i915_mch_dev;
> +	i915 = rcu_dereference(i915_mch_dev);
>  	if (!kref_get_unless_zero(&i915->drm.ref))
>  		i915 = NULL;
>  	rcu_read_unlock();
> -- 
> 2.20.1
>
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