Since we dropped the use of dev->struct_mutex from inside the shrinker, we no longer include that as part of our fs_reclaim tainting. We can drop the i915 argument and rebrand it as a generic fs_reclaim tainter. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/gem/i915_gem_object.c | 3 +-- drivers/gpu/drm/i915/gem/i915_gem_shrinker.c | 14 -------------- drivers/gpu/drm/i915/gem/i915_gem_shrinker.h | 2 -- drivers/gpu/drm/i915/gt/intel_gtt.c | 2 +- drivers/gpu/drm/i915/gt/intel_reset.c | 2 +- drivers/gpu/drm/i915/i915_utils.c | 13 +++++++++++++ drivers/gpu/drm/i915/i915_utils.h | 2 ++ 7 files changed, 18 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 70f798405f7f..6cdff5fc5882 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -86,8 +86,7 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, mutex_init(&obj->mm.get_dma_page.lock); if (IS_ENABLED(CONFIG_LOCKDEP) && i915_gem_object_is_shrinkable(obj)) - i915_gem_shrinker_taints_mutex(to_i915(obj->base.dev), - &obj->mm.lock); + fs_reclaim_taints_mutex(&obj->mm.lock); } /** diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c index c2dba1cd9532..b64a0788381f 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c @@ -415,20 +415,6 @@ void i915_gem_driver_unregister__shrinker(struct drm_i915_private *i915) unregister_shrinker(&i915->mm.shrinker); } -void i915_gem_shrinker_taints_mutex(struct drm_i915_private *i915, - struct mutex *mutex) -{ - if (!IS_ENABLED(CONFIG_LOCKDEP)) - return; - - fs_reclaim_acquire(GFP_KERNEL); - - mutex_acquire(&mutex->dep_map, 0, 0, _RET_IP_); - mutex_release(&mutex->dep_map, _RET_IP_); - - fs_reclaim_release(GFP_KERNEL); -} - #define obj_to_i915(obj__) to_i915((obj__)->base.dev) void i915_gem_object_make_unshrinkable(struct drm_i915_gem_object *obj) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.h b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.h index b397d7785789..a25754a51ac3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.h @@ -25,7 +25,5 @@ unsigned long i915_gem_shrink(struct drm_i915_private *i915, unsigned long i915_gem_shrink_all(struct drm_i915_private *i915); void i915_gem_driver_register__shrinker(struct drm_i915_private *i915); void i915_gem_driver_unregister__shrinker(struct drm_i915_private *i915); -void i915_gem_shrinker_taints_mutex(struct drm_i915_private *i915, - struct mutex *mutex); #endif /* __I915_GEM_SHRINKER_H__ */ diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c b/drivers/gpu/drm/i915/gt/intel_gtt.c index 04aa6601e984..d34770ae4c9a 100644 --- a/drivers/gpu/drm/i915/gt/intel_gtt.c +++ b/drivers/gpu/drm/i915/gt/intel_gtt.c @@ -97,7 +97,7 @@ void i915_address_space_init(struct i915_address_space *vm, int subclass) */ mutex_init(&vm->mutex); lockdep_set_subclass(&vm->mutex, subclass); - i915_gem_shrinker_taints_mutex(vm->i915, &vm->mutex); + fs_reclaim_taints_mutex(&vm->mutex); GEM_BUG_ON(!vm->total); drm_mm_init(&vm->mm, 0, vm->total); diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index c8cf3981ad7f..7638fb2a45f4 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -1401,7 +1401,7 @@ void intel_gt_init_reset(struct intel_gt *gt) * within the shrinker, we forbid ourselves from performing any * fs-reclaim or taking related locks during reset. */ - i915_gem_shrinker_taints_mutex(gt->i915, >->reset.mutex); + fs_reclaim_taints_mutex(>->reset.mutex); /* no GPU until we are ready! */ __set_bit(I915_WEDGED, >->reset.flags); diff --git a/drivers/gpu/drm/i915/i915_utils.c b/drivers/gpu/drm/i915/i915_utils.c index f9e780dee9de..90c7f0c4838c 100644 --- a/drivers/gpu/drm/i915/i915_utils.c +++ b/drivers/gpu/drm/i915/i915_utils.c @@ -114,3 +114,16 @@ void set_timer_ms(struct timer_list *t, unsigned long timeout) /* Keep t->expires = 0 reserved to indicate a canceled timer. */ mod_timer(t, jiffies + timeout ?: 1); } + +void fs_reclaim_taints_mutex(struct mutex *mutex) +{ + if (!IS_ENABLED(CONFIG_LOCKDEP)) + return; + + fs_reclaim_acquire(GFP_KERNEL); + + mutex_acquire(&mutex->dep_map, 0, 0, _RET_IP_); + mutex_release(&mutex->dep_map, _RET_IP_); + + fs_reclaim_release(GFP_KERNEL); +} diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index abd4dcd9f79c..3f616d00de42 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -266,6 +266,8 @@ static inline int list_is_last_rcu(const struct list_head *list, return READ_ONCE(list->next) == head; } +void fs_reclaim_taints_mutex(struct mutex *mutex); + static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m) { unsigned long j = msecs_to_jiffies(m); -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx