From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 13 Jun 2018 14:55:20 -0500
Subject: drm/amdgpu: rename rmn to amn in the MMU notifier code (v2)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 528e083d85bd0306e056fe1bdfd05493ebbff9cc
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Just a copy&paste leftover from radeon.
v2: rebase (Alex)
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 142 ++++++++++++++++-----------------
1 file changed, 71 insertions(+), 71 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -64,7 +64,7 @@ struct amdgpu_mn_node {
};
/**
- * amdgpu_mn_destroy - destroy the rmn
+ * amdgpu_mn_destroy - destroy the amn
*
* @work: previously sheduled work item
*
@@ -72,26 +72,26 @@ struct amdgpu_mn_node {
*/
static void amdgpu_mn_destroy(struct work_struct *work)
{
- struct amdgpu_mn *rmn = container_of(work, struct amdgpu_mn, work);
- struct amdgpu_device *adev = rmn->adev;
+ struct amdgpu_mn *amn = container_of(work, struct amdgpu_mn, work);
+ struct amdgpu_device *adev = amn->adev;
struct amdgpu_mn_node *node, *next_node;
struct amdgpu_bo *bo, *next_bo;
mutex_lock(&adev->mn_lock);
- down_write(&rmn->lock);
- hash_del(&rmn->node);
- rbtree_postorder_for_each_entry_safe(node, next_node, &rmn->objects,
- it.rb) {
+ down_write(&amn->lock);
+ hash_del(&amn->node);
+ rbtree_postorder_for_each_entry_safe(node, next_node,
+ &amn->objects, it.rb) {
list_for_each_entry_safe(bo, next_bo, &node->bos, mn_list) {
bo->mn = NULL;
list_del_init(&bo->mn_list);
}
kfree(node);
}
- up_write(&rmn->lock);
+ up_write(&amn->lock);
mutex_unlock(&adev->mn_lock);
- mmu_notifier_unregister_no_release(&rmn->mn, rmn->mm);
- kfree(rmn);
+ mmu_notifier_unregister_no_release(&amn->mn, amn->mm);
+ kfree(amn);
}
/**
@@ -105,9 +105,9 @@ static void amdgpu_mn_destroy(struct wor
static void amdgpu_mn_release(struct mmu_notifier *mn,
struct mm_struct *mm)
{
- struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
- INIT_WORK(&rmn->work, amdgpu_mn_destroy);
- schedule_work(&rmn->work);
+ struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
+ INIT_WORK(&amn->work, amdgpu_mn_destroy);
+ schedule_work(&amn->work);
}
@@ -130,31 +130,31 @@ void amdgpu_mn_unlock(struct amdgpu_mn *
}
/**
- * amdgpu_mn_read_lock - take the rmn read lock
+ * amdgpu_mn_read_lock - take the amn read lock
*
- * @rmn: our notifier
+ * @amn: our notifier
*
- * Take the rmn read side lock.
+ * Take the amn read side lock.
*/
-static void amdgpu_mn_read_lock(struct amdgpu_mn *rmn)
+static void amdgpu_mn_read_lock(struct amdgpu_mn *amn)
{
- mutex_lock(&rmn->read_lock);
- if (atomic_inc_return(&rmn->recursion) == 1)
- down_read_non_owner(&rmn->lock);
- mutex_unlock(&rmn->read_lock);
+ mutex_lock(&amn->read_lock);
+ if (atomic_inc_return(&amn->recursion) == 1)
+ down_read_non_owner(&amn->lock);
+ mutex_unlock(&amn->read_lock);
}
/**
- * amdgpu_mn_read_unlock - drop the rmn read lock
+ * amdgpu_mn_read_unlock - drop the amn read lock
*
- * @rmn: our notifier
+ * @amn: our notifier
*
- * Drop the rmn read side lock.
+ * Drop the amn read side lock.
*/
-static void amdgpu_mn_read_unlock(struct amdgpu_mn *rmn)
+static void amdgpu_mn_read_unlock(struct amdgpu_mn *amn)
{
- if (atomic_dec_return(&rmn->recursion) == 0)
- up_read_non_owner(&rmn->lock);
+ if (atomic_dec_return(&amn->recursion) == 0)
+ up_read_non_owner(&amn->lock);
}
/**
@@ -202,15 +202,15 @@ static void amdgpu_mn_invalidate_range_s
unsigned long start,
unsigned long end)
{
- struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
+ struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
struct interval_tree_node *it;
/* notification is exclusive, but interval is inclusive */
end -= 1;
- amdgpu_mn_read_lock(rmn);
+ amdgpu_mn_read_lock(amn);
- it = interval_tree_iter_first(&rmn->objects, start, end);
+ it = interval_tree_iter_first(&amn->objects, start, end);
while (it) {
struct amdgpu_mn_node *node;
@@ -238,15 +238,15 @@ static void amdgpu_mn_invalidate_range_s
unsigned long start,
unsigned long end)
{
- struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
+ struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
struct interval_tree_node *it;
/* notification is exclusive, but interval is inclusive */
end -= 1;
- amdgpu_mn_read_lock(rmn);
+ amdgpu_mn_read_lock(amn);
- it = interval_tree_iter_first(&rmn->objects, start, end);
+ it = interval_tree_iter_first(&amn->objects, start, end);
while (it) {
struct amdgpu_mn_node *node;
struct amdgpu_bo *bo;
@@ -279,9 +279,9 @@ static void amdgpu_mn_invalidate_range_e
unsigned long start,
unsigned long end)
{
- struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
+ struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
- amdgpu_mn_read_unlock(rmn);
+ amdgpu_mn_read_unlock(amn);
}
static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
@@ -315,7 +315,7 @@ struct amdgpu_mn *amdgpu_mn_get(struct a
enum amdgpu_mn_type type)
{
struct mm_struct *mm = current->mm;
- struct amdgpu_mn *rmn;
+ struct amdgpu_mn *amn;
unsigned long key = AMDGPU_MN_KEY(mm, type);
int r;
@@ -325,41 +325,41 @@ struct amdgpu_mn *amdgpu_mn_get(struct a
return ERR_PTR(-EINTR);
}
- hash_for_each_possible(adev->mn_hash, rmn, node, key)
- if (AMDGPU_MN_KEY(rmn->mm, rmn->type) == key)
+ hash_for_each_possible(adev->mn_hash, amn, node, key)
+ if (AMDGPU_MN_KEY(amn->mm, amn->type) == key)
goto release_locks;
- rmn = kzalloc(sizeof(*rmn), GFP_KERNEL);
- if (!rmn) {
- rmn = ERR_PTR(-ENOMEM);
+ amn = kzalloc(sizeof(*amn), GFP_KERNEL);
+ if (!amn) {
+ amn = ERR_PTR(-ENOMEM);
goto release_locks;
}
- rmn->adev = adev;
- rmn->mm = mm;
- init_rwsem(&rmn->lock);
- rmn->type = type;
- rmn->mn.ops = &amdgpu_mn_ops[type];
- rmn->objects = RB_ROOT;
- mutex_init(&rmn->read_lock);
- atomic_set(&rmn->recursion, 0);
+ amn->adev = adev;
+ amn->mm = mm;
+ init_rwsem(&amn->lock);
+ amn->type = type;
+ amn->mn.ops = &amdgpu_mn_ops[type];
+ amn->objects = RB_ROOT;
+ mutex_init(&amn->read_lock);
+ atomic_set(&amn->recursion, 0);
- r = __mmu_notifier_register(&rmn->mn, mm);
+ r = __mmu_notifier_register(&amn->mn, mm);
if (r)
- goto free_rmn;
+ goto free_amn;
- hash_add(adev->mn_hash, &rmn->node, AMDGPU_MN_KEY(mm, type));
+ hash_add(adev->mn_hash, &amn->node, AMDGPU_MN_KEY(mm, type));
release_locks:
up_write(&mm->mmap_sem);
mutex_unlock(&adev->mn_lock);
- return rmn;
+ return amn;
-free_rmn:
+free_amn:
up_write(&mm->mmap_sem);
mutex_unlock(&adev->mn_lock);
- kfree(rmn);
+ kfree(amn);
return ERR_PTR(r);
}
@@ -379,14 +379,14 @@ int amdgpu_mn_register(struct amdgpu_bo
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
enum amdgpu_mn_type type =
bo->kfd_bo ? AMDGPU_MN_TYPE_HSA : AMDGPU_MN_TYPE_GFX;
- struct amdgpu_mn *rmn;
+ struct amdgpu_mn *amn;
struct amdgpu_mn_node *node = NULL, *new_node;
struct list_head bos;
struct interval_tree_node *it;
- rmn = amdgpu_mn_get(adev, type);
- if (IS_ERR(rmn))
- return PTR_ERR(rmn);
+ amn = amdgpu_mn_get(adev, type);
+ if (IS_ERR(amn))
+ return PTR_ERR(amn);
new_node = kmalloc(sizeof(*new_node), GFP_KERNEL);
if (!new_node)
@@ -394,12 +394,12 @@ int amdgpu_mn_register(struct amdgpu_bo
INIT_LIST_HEAD(&bos);
- down_write(&rmn->lock);
+ down_write(&amn->lock);
- while ((it = interval_tree_iter_first(&rmn->objects, addr, end))) {
+ while ((it = interval_tree_iter_first(&amn->objects, addr, end))) {
kfree(node);
node = container_of(it, struct amdgpu_mn_node, it);
- interval_tree_remove(&node->it, &rmn->objects);
+ interval_tree_remove(&node->it, &amn->objects);
addr = min(it->start, addr);
end = max(it->last, end);
list_splice(&node->bos, &bos);
@@ -410,7 +410,7 @@ int amdgpu_mn_register(struct amdgpu_bo
else
kfree(new_node);
- bo->mn = rmn;
+ bo->mn = amn;
node->it.start = addr;
node->it.last = end;
@@ -418,9 +418,9 @@ int amdgpu_mn_register(struct amdgpu_bo
list_splice(&bos, &node->bos);
list_add(&bo->mn_list, &node->bos);
- interval_tree_insert(&node->it, &rmn->objects);
+ interval_tree_insert(&node->it, &amn->objects);
- up_write(&rmn->lock);
+ up_write(&amn->lock);
return 0;
}
@@ -435,18 +435,18 @@ int amdgpu_mn_register(struct amdgpu_bo
void amdgpu_mn_unregister(struct amdgpu_bo *bo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
- struct amdgpu_mn *rmn;
+ struct amdgpu_mn *amn;
struct list_head *head;
mutex_lock(&adev->mn_lock);
- rmn = bo->mn;
- if (rmn == NULL) {
+ amn = bo->mn;
+ if (amn == NULL) {
mutex_unlock(&adev->mn_lock);
return;
}
- down_write(&rmn->lock);
+ down_write(&amn->lock);
/* save the next list entry for later */
head = bo->mn_list.next;
@@ -457,11 +457,11 @@ void amdgpu_mn_unregister(struct amdgpu_
if (list_empty(head)) {
struct amdgpu_mn_node *node;
node = container_of(head, struct amdgpu_mn_node, bos);
- interval_tree_remove(&node->it, &rmn->objects);
+ interval_tree_remove(&node->it, &amn->objects);
kfree(node);
}
- up_write(&rmn->lock);
+ up_write(&amn->lock);
mutex_unlock(&adev->mn_lock);
}