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-rw-r--r--include/linux/perf_event.h2
-rw-r--r--include/linux/trace_events.h4
-rw-r--r--kernel/events/core.c13
-rw-r--r--kernel/trace/trace_event_perf.c4
-rw-r--r--kernel/trace/trace_kprobe.c4
-rw-r--r--kernel/trace/trace_syscalls.c4
-rw-r--r--kernel/trace/trace_uprobe.c2
7 files changed, 13 insertions, 20 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 8e22f24ded6a..569d1b54e201 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1184,7 +1184,7 @@ extern void perf_event_init(void);
extern void perf_tp_event(u16 event_type, u64 count, void *record,
int entry_size, struct pt_regs *regs,
struct hlist_head *head, int rctx,
- struct task_struct *task, struct perf_event *event);
+ struct task_struct *task);
extern void perf_bp_event(struct perf_event *event, void *data);
#ifndef perf_misc_flags
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 2e0f22298fe9..a6349b76fd39 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -507,9 +507,9 @@ void perf_trace_run_bpf_submit(void *raw_data, int size, int rctx,
static inline void
perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type,
u64 count, struct pt_regs *regs, void *head,
- struct task_struct *task, struct perf_event *event)
+ struct task_struct *task)
{
- perf_tp_event(type, count, raw_data, size, regs, head, rctx, task, event);
+ perf_tp_event(type, count, raw_data, size, regs, head, rctx, task);
}
#endif
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 6bc21e202ae4..b8db80c5513b 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7954,15 +7954,16 @@ void perf_trace_run_bpf_submit(void *raw_data, int size, int rctx,
}
}
perf_tp_event(call->event.type, count, raw_data, size, regs, head,
- rctx, task, NULL);
+ rctx, task);
}
EXPORT_SYMBOL_GPL(perf_trace_run_bpf_submit);
void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size,
struct pt_regs *regs, struct hlist_head *head, int rctx,
- struct task_struct *task, struct perf_event *event)
+ struct task_struct *task)
{
struct perf_sample_data data;
+ struct perf_event *event;
struct perf_raw_record raw = {
.frag = {
@@ -7976,15 +7977,9 @@ void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size,
perf_trace_buf_update(record, event_type);
- /* Use the given event instead of the hlist */
- if (event) {
+ hlist_for_each_entry_rcu(event, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
perf_swevent_event(event, count, &data, regs);
- } else {
- hlist_for_each_entry_rcu(event, head, hlist_entry) {
- if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, &data, regs);
- }
}
/*
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 13ba2d3f6a91..562fa69df5d3 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -306,7 +306,6 @@ static void
perf_ftrace_function_call(unsigned long ip, unsigned long parent_ip,
struct ftrace_ops *ops, struct pt_regs *pt_regs)
{
- struct perf_event *event;
struct ftrace_entry *entry;
struct hlist_head *head;
struct pt_regs regs;
@@ -330,9 +329,8 @@ perf_ftrace_function_call(unsigned long ip, unsigned long parent_ip,
entry->ip = ip;
entry->parent_ip = parent_ip;
- event = container_of(ops, struct perf_event, ftrace_ops);
perf_trace_buf_submit(entry, ENTRY_SIZE, rctx, TRACE_FN,
- 1, &regs, head, NULL, event);
+ 1, &regs, head, NULL);
#undef ENTRY_SIZE
}
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index af6134f2e597..996902a526d4 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1200,7 +1200,7 @@ kprobe_perf_func(struct trace_kprobe *tk, struct pt_regs *regs)
memset(&entry[1], 0, dsize);
store_trace_args(sizeof(*entry), &tk->tp, regs, (u8 *)&entry[1], dsize);
perf_trace_buf_submit(entry, size, rctx, call->event.type, 1, regs,
- head, NULL, NULL);
+ head, NULL);
}
NOKPROBE_SYMBOL(kprobe_perf_func);
@@ -1236,7 +1236,7 @@ kretprobe_perf_func(struct trace_kprobe *tk, struct kretprobe_instance *ri,
entry->ret_ip = (unsigned long)ri->ret_addr;
store_trace_args(sizeof(*entry), &tk->tp, regs, (u8 *)&entry[1], dsize);
perf_trace_buf_submit(entry, size, rctx, call->event.type, 1, regs,
- head, NULL, NULL);
+ head, NULL);
}
NOKPROBE_SYMBOL(kretprobe_perf_func);
#endif /* CONFIG_PERF_EVENTS */
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 696afe72d3b1..934b0da72679 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -622,7 +622,7 @@ static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id)
perf_trace_buf_submit(rec, size, rctx,
sys_data->enter_event->event.type, 1, regs,
- head, NULL, NULL);
+ head, NULL);
}
static int perf_sysenter_enable(struct trace_event_call *call)
@@ -716,7 +716,7 @@ static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
}
perf_trace_buf_submit(rec, size, rctx, sys_data->exit_event->event.type,
- 1, regs, head, NULL, NULL);
+ 1, regs, head, NULL);
}
static int perf_sysexit_enable(struct trace_event_call *call)
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index b34965e62fb9..402120ba4594 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -1156,7 +1156,7 @@ static void __uprobe_perf_func(struct trace_uprobe *tu,
}
perf_trace_buf_submit(entry, size, rctx, call->event.type, 1, regs,
- head, NULL, NULL);
+ head, NULL);
out:
preempt_enable();
}