Revert "mali_kbase: platform: Add per-process and global sysfs n..."

Revert submission 1960415-dma-buf-sysfs

Reason for revert: causing kbase KPs
Reverted Changes:
Ib1400afdb:mali_kbase: platform: Add sysfs nodes for imported...
Id47feadaf:mali_kbase: platform: Add per-process and global s...
I29da69e46:mali_kbase: platform: Add per-process and global a...

Bug: 194313269
Change-Id: Ie601280db20e41ab01884552785feb9b0ac260a6
Signed-off-by: Jonglin Lee <jonglin@google.com>

1 files changed, 0 insertions, 48 deletions

diff --git a/mali_kbase/context/mali_kbase_context.c b/mali_kbase/context/mali_kbase_context.c
index 3779b37..914f43e 100644
--- a/mali_kbase/context/mali_kbase_context.c
+++ b/mali_kbase/context/mali_kbase_context.c
@@ -32,48 +32,6 @@
 #include <mmu/mali_kbase_mmu.h>
 #include <context/mali_kbase_context_internal.h>
 
-#define to_kprcs(kobj) container_of(kobj, struct kbase_process, kobj)
-
-static void kbase_kprcs_release(struct kobject *kobj)
-{
-	// Nothing to release
-}
-
-static ssize_t total_gpu_mem_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
-{
-	struct kbase_process *kprcs = to_kprcs(kobj);
-	if (WARN_ON(!kprcs))
-		return 0;
-
-	return sysfs_emit(buf, "%lu\n",
-			(unsigned long) kprcs->total_gpu_pages << PAGE_SHIFT);
-}
-static struct kobj_attribute total_gpu_mem_attr = __ATTR_RO(total_gpu_mem);
-
-static ssize_t dma_buf_gpu_mem_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
-{
-	struct kbase_process *kprcs = to_kprcs(kobj);
-	if (WARN_ON(!kprcs))
-		return 0;
-
-	return sysfs_emit(buf, "%lu\n",
-			(unsigned long) kprcs->dma_buf_pages << PAGE_SHIFT);
-}
-static struct kobj_attribute dma_buf_gpu_mem_attr = __ATTR_RO(dma_buf_gpu_mem);
-
-static struct attribute *kprcs_attrs[] = {
-	&total_gpu_mem_attr.attr,
-	&dma_buf_gpu_mem_attr.attr,
-	NULL
-};
-ATTRIBUTE_GROUPS(kprcs);
-
-static struct kobj_type kprcs_ktype = {
-	.release = kbase_kprcs_release,
-	.sysfs_ops = &kobj_sysfs_ops,
-	.default_groups = kprcs_groups,
-};
-
 /**
  * find_process_node - Used to traverse the process rb_tree to find if
  *                     process exists already in process rb_tree.
@@ -142,10 +100,6 @@ static int kbase_insert_kctx_to_process(struct kbase_context *kctx)
 		kprcs->dma_buf_root = RB_ROOT;
 		kprcs->total_gpu_pages = 0;
 		kprcs->dma_buf_pages = 0;
-		WARN_ON(kobject_init_and_add(
-					&kprcs->kobj, &kprcs_ktype,
-					kctx->kbdev->proc_sysfs_node,
-					"%d", tgid));
 
 		while (*new) {
 			struct kbase_process *prcs_node;
@@ -284,8 +238,6 @@ static void kbase_remove_kctx_from_process(struct kbase_context *kctx)
 		 */
 		WARN_ON(kprcs->total_gpu_pages);
 		WARN_ON(!RB_EMPTY_ROOT(&kprcs->dma_buf_root));
-		kobject_del(&kprcs->kobj);
-		kobject_put(&kprcs->kobj);
 		kfree(kprcs);
 	}
 }