diff options
author | Ingo Molnar <mingo@kernel.org> | 2025-05-21 08:42:51 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2025-05-21 08:45:03 +0200 |
commit | 412751aa6991501d7defeadecfede59043d1b5e8 (patch) | |
tree | ee5026e79128dd4eacb935f76564d7dcc105b24f /kernel/trace/trace_dynevent.c | |
parent | e95534e107d2e9e136aa4d7cbededb3827e80074 (diff) | |
parent | a5806cd506af5a7c19bcd596e4708b5c464bfd21 (diff) |
Merge tag 'v6.15-rc7' into x86/core, to pick up fixes
Pick up build fixes from upstream to make this tree more testable.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/trace_dynevent.c')
-rw-r--r-- | kernel/trace/trace_dynevent.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/kernel/trace/trace_dynevent.c b/kernel/trace/trace_dynevent.c index a322e4f249a5..5d64a18cacac 100644 --- a/kernel/trace/trace_dynevent.c +++ b/kernel/trace/trace_dynevent.c @@ -16,7 +16,7 @@ #include "trace_output.h" /* for trace_event_sem */ #include "trace_dynevent.h" -static DEFINE_MUTEX(dyn_event_ops_mutex); +DEFINE_MUTEX(dyn_event_ops_mutex); static LIST_HEAD(dyn_event_ops_list); bool trace_event_dyn_try_get_ref(struct trace_event_call *dyn_call) @@ -116,6 +116,20 @@ int dyn_event_release(const char *raw_command, struct dyn_event_operations *type return ret; } +/* + * Locked version of event creation. The event creation must be protected by + * dyn_event_ops_mutex because of protecting trace_probe_log. + */ +int dyn_event_create(const char *raw_command, struct dyn_event_operations *type) +{ + int ret; + + mutex_lock(&dyn_event_ops_mutex); + ret = type->create(raw_command); + mutex_unlock(&dyn_event_ops_mutex); + return ret; +} + static int create_dyn_event(const char *raw_command) { struct dyn_event_operations *ops; |