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dma-buf: Remove unused sync_dump()

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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
This commit is contained in:
Chris Wilson 2019-04-19 19:19:04 +01:00
parent ef0db94f94
commit 245e736408
2 changed files with 0 additions and 27 deletions
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26
drivers/dma-buf/sync_debug.c
View File

@ -197,29 +197,3 @@ static __init int sync_debugfs_init(void)
return 0;
}
late_initcall(sync_debugfs_init);
#define DUMP_CHUNK 256
static char sync_dump_buf[64 * 1024];
void sync_dump(void)
{
struct seq_file s = {
.buf = sync_dump_buf,
.size = sizeof(sync_dump_buf) - 1,
};
int i;
sync_info_debugfs_show(&s, NULL);
for (i = 0; i < s.count; i += DUMP_CHUNK) {
if ((s.count - i) > DUMP_CHUNK) {
char c = s.buf[i + DUMP_CHUNK];
s.buf[i + DUMP_CHUNK] = 0;
pr_cont("%s", s.buf + i);
s.buf[i + DUMP_CHUNK] = c;
} else {
s.buf[s.count] = 0;
pr_cont("%s", s.buf + i);
}
}
}

1
drivers/dma-buf/sync_debug.h
View File

@ -68,6 +68,5 @@ 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);
void sync_dump(void);
#endif /* _LINUX_SYNC_H */