md: remove CONFIG_MULTICORE_RAID456

This doesn't seem to actually help and we have an alternate
multi-threading approach waiting in the wings, so just get
rid of this config option and associated code.

As a bonus, we remove one use of CONFIG_EXPERIMENTAL

Cc: Dan Williams <djbw@fb.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 0 insertions, 11 deletions

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 91a02eeeb319..9a10313d0670 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -154,17 +154,6 @@ config MD_RAID456
 
           If unsure, say Y.
 
-config MULTICORE_RAID456
-        bool "RAID-4/RAID-5/RAID-6 Multicore processing (EXPERIMENTAL)"
-        depends on MD_RAID456
-        depends on SMP
-        depends on EXPERIMENTAL
-        ---help---
-          Enable the raid456 module to dispatch per-stripe raid operations to a
-          thread pool.
-
-          If unsure, say N.
-
 config MD_MULTIPATH
         tristate "Multipath I/O support"
         depends on BLK_DEV_MD