mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-30 15:44:13 +08:00
245e736408
sync_dump() is an unused, unexported, function that adds 64k to the kernel image and doesn't even provide locking around the global array it uses. add/remove: 0/2 grow/shrink: 0/0 up/down: 0/-65734 (-65734) Function old new delta sync_dump 198 - -198 sync_dump_buf 65536 - -65536 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Gustavo Padovan <gustavo@padovan.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20190419181904.6199-1-chris@chris-wilson.co.uk
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
|
|
* Sync File validation framework and debug infomation
|
|
*
|
|
* Copyright (C) 2012 Google, Inc.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#ifndef _LINUX_SYNC_H
|
|
#define _LINUX_SYNC_H
|
|
|
|
#include <linux/list.h>
|
|
#include <linux/rbtree.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/dma-fence.h>
|
|
|
|
#include <linux/sync_file.h>
|
|
#include <uapi/linux/sync_file.h>
|
|
|
|
/**
|
|
* struct sync_timeline - sync object
|
|
* @kref: reference count on fence.
|
|
* @name: name of the sync_timeline. Useful for debugging
|
|
* @lock: lock protecting @pt_list and @value
|
|
* @pt_tree: rbtree of active (unsignaled/errored) sync_pts
|
|
* @pt_list: list of active (unsignaled/errored) sync_pts
|
|
* @sync_timeline_list: membership in global sync_timeline_list
|
|
*/
|
|
struct sync_timeline {
|
|
struct kref kref;
|
|
char name[32];
|
|
|
|
/* protected by lock */
|
|
u64 context;
|
|
int value;
|
|
|
|
struct rb_root pt_tree;
|
|
struct list_head pt_list;
|
|
spinlock_t lock;
|
|
|
|
struct list_head sync_timeline_list;
|
|
};
|
|
|
|
static inline struct sync_timeline *dma_fence_parent(struct dma_fence *fence)
|
|
{
|
|
return container_of(fence->lock, struct sync_timeline, lock);
|
|
}
|
|
|
|
/**
|
|
* struct sync_pt - sync_pt object
|
|
* @base: base fence object
|
|
* @link: link on the sync timeline's list
|
|
* @node: node in the sync timeline's tree
|
|
*/
|
|
struct sync_pt {
|
|
struct dma_fence base;
|
|
struct list_head link;
|
|
struct rb_node node;
|
|
};
|
|
|
|
extern const struct file_operations sw_sync_debugfs_fops;
|
|
|
|
void sync_timeline_debug_add(struct sync_timeline *obj);
|
|
void sync_timeline_debug_remove(struct sync_timeline *obj);
|
|
void sync_file_debug_add(struct sync_file *fence);
|
|
void sync_file_debug_remove(struct sync_file *fence);
|
|
|
|
#endif /* _LINUX_SYNC_H */
|