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authorFrederic Weisbecker <fweisbec@gmail.com>2009-03-23 01:10:44 +0300
committerIngo Molnar <mingo@elte.hu>2009-03-23 18:25:46 +0300
commitc0f92ba99bdeaf35f9c580291b4e1a657c67fbd4 (patch)
treee3e102f83c9a7fe44935ff7cd57540f4b6dce9e4 /kernel/Makefile
parentb8b94265337f83b7db9c5f429b1769d463d7da8c (diff)
downloadlinux-c0f92ba99bdeaf35f9c580291b4e1a657c67fbd4.tar.xz
debugfs: function to know if debugfs is initialized
Impact: add new debugfs API With ftrace, some tracers are registered in early initcalls and attempt to create files on the debugfs filesystem. Depending on when they are activated, they can try to create their file at any time. Some checks can be done on the tracing area but providing a helper to know if debugfs is registered make it really more easy. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <1237759847-21025-2-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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