diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2017-02-10 16:27:52 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-02-24 09:02:10 +0100 |
| commit | 29dee3c03abce04cd527878ef5f9e5f91b7b83f4 (patch) | |
| tree | 778c1f931b1425b4d99d0627a1791efc730e6fbd /lib/Kconfig.debug | |
| parent | 2bfe01eff4307409b95859e860261d0907149b61 (diff) | |
| download | lwn-29dee3c03abce04cd527878ef5f9e5f91b7b83f4.tar.gz lwn-29dee3c03abce04cd527878ef5f9e5f91b7b83f4.zip | |
locking/refcounts: Out-of-line everything
Linus asked to please make this real C code.
And since size then isn't an issue what so ever anymore, remove the
debug knob and make all WARN()s unconditional.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dwindsor@gmail.com
Cc: elena.reshetova@intel.com
Cc: gregkh@linuxfoundation.org
Cc: ishkamiel@gmail.com
Cc: keescook@chromium.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index acedbe626d47..0dbce99d8433 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -716,19 +716,6 @@ source "lib/Kconfig.kmemcheck" source "lib/Kconfig.kasan" -config DEBUG_REFCOUNT - bool "Verbose refcount checks" - help - Say Y here if you want reference counters (refcount_t and kref) to - generate WARNs on dubious usage. Without this refcount_t will still - be a saturating counter and avoid Use-After-Free by turning it into - a resource leak Denial-Of-Service. - - Use of this option will increase kernel text size but will alert the - admin of potential abuse. - - If in doubt, say "N". - endmenu # "Memory Debugging" config ARCH_HAS_KCOV |