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fgraph: Remove some unused functions

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These functions are defined in the fgraph.c file, but not
called elsewhere, so delete these unused functions.

kernel/trace/fgraph.c:273:1: warning: unused function 'set_bitmap_bits'.
kernel/trace/fgraph.c:259:19: warning: unused function 'get_fgraph_type'.

Link: https://lore.kernel.org/linux-trace-kernel/20240606021053.27783-1-jiapeng.chong@linux.alibaba.com

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9289
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Jiapeng Chong 2024-06-06 10:10:53 +08:00 committed by Steven Rostedt (Google)
parent 6c1f7f0aca
commit 9a2a3aab73
1 changed files with 0 additions and 13 deletions
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13
kernel/trace/fgraph.c
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@ -255,12 +255,6 @@ static inline int get_frame_offset(struct task_struct *t, int offset)
return __get_offset(t->ret_stack[offset]);
}
/* Get FGRAPH_TYPE from the word from the @offset at ret_stack */
static inline int get_fgraph_type(struct task_struct *t, int offset)
{
return __get_type(t->ret_stack[offset]);
}
/* For BITMAP type: get the bitmask from the @offset at ret_stack */
static inline unsigned long
get_bitmap_bits(struct task_struct *t, int offset)
@ -268,13 +262,6 @@ get_bitmap_bits(struct task_struct *t, int offset)
return (t->ret_stack[offset] >> FGRAPH_INDEX_SHIFT) & FGRAPH_INDEX_MASK;
}
/* For BITMAP type: set the bits in the bitmap bitmask at @offset on ret_stack */
static inline void
set_bitmap_bits(struct task_struct *t, int offset, unsigned long bitmap)
{
t->ret_stack[offset] |= (bitmap << FGRAPH_INDEX_SHIFT);
}
/* Write the bitmap to the ret_stack at @offset (does index, offset and bitmask) */
static inline void
set_bitmap(struct task_struct *t, int offset, unsigned long bitmap)