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| author | Vlastimil Babka <vbabka@suse.cz> | 2025-02-03 10:28:48 +0100 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2025-02-05 10:45:20 +0100 |
| commit | 7f4b19ef3129e1f2e1856b3ee475a02c0be34891 (patch) | |
| tree | e8d6a7645f08f9cf4fa5883e84e5f0565d930a41 /include/trace | |
| parent | b14ff274e8aa5517ff86c94d682bf26bf8b5dcc8 (diff) | |
| download | lwn-7f4b19ef3129e1f2e1856b3ee475a02c0be34891.tar.gz lwn-7f4b19ef3129e1f2e1856b3ee475a02c0be34891.zip | |
rcu: remove trace_rcu_kvfree_callback
Tree RCU does not handle kvfree_rcu() by queueing individual objects by
call_rcu() anymore, thus the tracepoint and associated
__is_kvfree_rcu_offset() check is dead code now. Remove it.
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/rcu.h | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index e81431deaa50..ac3b28b8939b 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -561,40 +561,6 @@ TRACE_EVENT_RCU(rcu_segcb_stats, ); /* - * Tracepoint for the registration of a single RCU callback of the special - * kvfree() form. The first argument is the RCU type, the second argument - * is a pointer to the RCU callback, the third argument is the offset - * of the callback within the enclosing RCU-protected data structure, - * the fourth argument is the number of lazy callbacks queued, and the - * fifth argument is the total number of callbacks queued. - */ -TRACE_EVENT_RCU(rcu_kvfree_callback, - - TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset, - long qlen), - - TP_ARGS(rcuname, rhp, offset, qlen), - - TP_STRUCT__entry( - __field(const char *, rcuname) - __field(void *, rhp) - __field(unsigned long, offset) - __field(long, qlen) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->rhp = rhp; - __entry->offset = offset; - __entry->qlen = qlen; - ), - - TP_printk("%s rhp=%p func=%ld %ld", - __entry->rcuname, __entry->rhp, __entry->offset, - __entry->qlen) -); - -/* * Tracepoint for marking the beginning rcu_do_batch, performed to start * RCU callback invocation. The first argument is the RCU flavor, * the second is the number of lazy callbacks queued, the third is |