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authorPeter Zijlstra <peterz@infradead.org>2017-02-10 18:27:52 +0300
committerIngo Molnar <mingo@kernel.org>2017-02-24 11:02:10 +0300
commit29dee3c03abce04cd527878ef5f9e5f91b7b83f4 (patch)
tree778c1f931b1425b4d99d0627a1791efc730e6fbd /lib/Kconfig.debug
parent2bfe01eff4307409b95859e860261d0907149b61 (diff)
downloadlinux-29dee3c03abce04cd527878ef5f9e5f91b7b83f4.tar.xz
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.debug13
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