From: Chris Wilson Date: Fri, 12 Apr 2019 08:53:22 +0000 (+0100) Subject: drm/i915: Mark up ips for RCU protection X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=adc674cebba7253dc4b4eeb1e4c1710082ee0f4a;p=linux.git drm/i915: Mark up ips for RCU protection 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) Signed-off-by: Chris Wilson Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20190412085410.10392-3-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 7357bddf9ad97..44be676fabd6a 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();