Messages in this thread | | | Subject | Re: [for-next-3.11][PATCH 0/8] ftrace/tracing: Event file fixes and ftrace function hash fixes | From | Steven Rostedt <> | Date | Wed, 31 Jul 2013 10:06:57 -0400 |
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On Wed, 2013-07-31 at 13:47 +0200, Oleg Nesterov wrote: > On 07/30, Steven Rostedt wrote: > > > > Using the i_private and event_mutex > > to verify that the event still exists to solve the race. > > To remind, we also need the "debugfs: debugfs_remove_recursive() must > not rely on list_empty(d_subdirs)" patch, otherwise we still have the > problems with the opened files.
Do these patches depend on that patch? Should I rebase to have that patch first?
-- Steve
> > Just in case, we need this fix even if .open() does trace_array_get() > or tracing_open_generic_file() (removed by recent changes), rmdir can > be called before we increment the counter and the deleted dentry breaks > debugfs_remove_recursive(). > > But after the recent changes this fix becomes more important. An opened > file confuses debugfs_remove_recursive() and after that you can't create > another probe.
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