We really don't want distro's enabling this in their kernels. Try and make that more clear. Signed-off-by: Rob Clark <robdclark@xxxxxxxxx> --- lib/Kconfig.debug | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 07c2832..1b233fc 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -892,6 +892,10 @@ config DEBUG_WW_MUTEX_SLOWPATH the full mutex checks enabled with (CONFIG_PROVE_LOCKING) this will test all possible w/w mutex interface abuse with the exception of simply not acquiring all the required locks. + Note that this feature can introduce significant overhead, so + it really should not be enabled in a production or distro kernel, + even a debug kernel. If you are a driver writer, enable it. If + you are a distro, do not. config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" -- 1.9.3 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel