On Wed, Nov 04, 2015 at 10:03:39AM -0500, Steven Rostedt wrote: > On Wed, 4 Nov 2015 09:11:18 +0800 > Jiaxing Wang <[email protected]> wrote: > > > Currently tracing_init_dentry() returns -ENODEV when debugfs is not > > initialized, which causes tracefs not populated with tracing files and > > directories, so we will get an empty directory even after we manually > > mount tracefs. > > > > We can make tracing_init_dentry() return NULL as long as tracefs > > is initialized and get a populated tracefs. > > > > We also need to make global_trace.dir not NULL in order to pass the checks > > in tracing_get_dentry() and add_tracer_options(). > > > > Also added stub debugfs_create_automount() for when debugfs is not > > configured in.
The debugfs change should be split out into a separate patch, which I'll be glad to take through my tree, it isn't dependant on the tracing code at all. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
