diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-05-12 15:56:35 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-06-08 18:52:41 -0700 |
| commit | 41a2901e7d220875752a8c870e0b53288a578c20 (patch) | |
| tree | 7fee0c0fb4e4de059050c0003c370042bb832ffc /lib | |
| parent | c4a09ff752e164c020bced6513e2008f992a02e6 (diff) | |
| download | linux-next-41a2901e7d220875752a8c870e0b53288a578c20.tar.gz | |
rcu: Remove SPARSE_RCU_POINTER Kconfig option
The sparse-based checking for non-RCU accesses to RCU-protected pointers
has been around for a very long time, and it is now the only type of
sparse-based checking that is optional. This commit therefore makes
it unconditional.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 15 | ||||
| -rw-r--r-- | lib/Makefile | 3 |
2 files changed, 0 insertions, 18 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 762deab304fe..498d5dd63bf4 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1306,21 +1306,6 @@ menu "RCU Debugging" config PROVE_RCU def_bool PROVE_LOCKING -config SPARSE_RCU_POINTER - bool "RCU debugging: sparse-based checks for pointer usage" - default n - help - This feature enables the __rcu sparse annotation for - RCU-protected pointers. This annotation will cause sparse - to flag any non-RCU used of annotated pointers. This can be - helpful when debugging RCU usage. Please note that this feature - is not intended to enforce code cleanliness; it is instead merely - a debugging aid. - - Say Y to make sparse flag questionable use of RCU-protected pointers - - Say N if you are unsure. - config TORTURE_TEST tristate default n diff --git a/lib/Makefile b/lib/Makefile index 0166fbc0fa81..07fbe6a75692 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -25,9 +25,6 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \ earlycpio.o seq_buf.o siphash.o \ nmi_backtrace.o nodemask.o win_minmax.o -CFLAGS_radix-tree.o += -DCONFIG_SPARSE_RCU_POINTER -CFLAGS_idr.o += -DCONFIG_SPARSE_RCU_POINTER - lib-$(CONFIG_MMU) += ioremap.o lib-$(CONFIG_SMP) += cpumask.o lib-$(CONFIG_DMA_NOOP_OPS) += dma-noop.o |