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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-05-15 14:57:01 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-06-08 18:52:42 -0700 |
| commit | bd8cc5a062f41e334596edbe823e2fa0adddd1b7 (patch) | |
| tree | d484e0604f4bd8634f21bde4ba19edd1f6879873 /init | |
| parent | 7f0cd6333086ae09962791c31f0d4845a3329df9 (diff) | |
| download | linux-bd8cc5a062f41e334596edbe823e2fa0adddd1b7.tar.bz2 | |
srcu: Remove Classic SRCU
Classic SRCU was only ever intended to be a fallback in case of issues
with Tree/Tiny SRCU, and the latter two are doing quite well in testing.
This commit therefore removes Classic SRCU.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/init/Kconfig b/init/Kconfig index 6f257d51f582..2aa14ff40e88 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -526,32 +526,15 @@ config SRCU permits arbitrary sleeping or blocking within RCU read-side critical sections. -config CLASSIC_SRCU - bool "Use v4.11 classic SRCU implementation" - default n - depends on RCU_EXPERT && SRCU - help - This option selects the traditional well-tested classic SRCU - implementation from v4.11, as might be desired for enterprise - Linux distributions. Without this option, the shiny new - Tiny SRCU and Tree SRCU implementations are used instead. - At some point, it is hoped that Tiny SRCU and Tree SRCU - will accumulate enough test time and confidence to allow - Classic SRCU to be dropped entirely. - - Say Y if you need a rock-solid SRCU. - - Say N if you would like help test Tree SRCU. - config TINY_SRCU bool - default y if SRCU && TINY_RCU && !CLASSIC_SRCU + default y if SRCU && TINY_RCU help This option selects the single-CPU non-preemptible version of SRCU. config TREE_SRCU bool - default y if SRCU && !TINY_RCU && !CLASSIC_SRCU + default y if SRCU && !TINY_RCU help This option selects the full-fledged version of SRCU. |