Re: [PATCH 00/16 v3] tracing: Add new file system tracefs

[Steven Rostedt]

On Tue, 27 Jan 2015 10:19:53 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
> You mean, instead of grabbing trace_types_lock for modifying of events
> and trace arrays, we should grab the dentry->d_inode->i_mutex?
> 

OK, trace_arrays_lock protects against the tr->current_trace and the
list of arrays, and accessing it.

The creation of events is protected by the event_mutex. Which would
suffer the same issue, as it is grabbed when creating and removing
event directories.

-- Steve
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/