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| author | Pranith Kumar <bobby.prani@gmail.com> | 2014-09-22 22:00:48 +0400 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-10-29 20:20:05 +0300 |
| commit | 28f6569ab7d036cd4ee94c26bb76dc1b3f3fc056 (patch) | |
| tree | dd09624ed00e1f67fdd87bf670da19761ed78ea6 /init | |
| parent | 21871d7eff2c96ae67e18e00adf59d56940e2fcc (diff) | |
| download | linux-28f6569ab7d036cd4ee94c26bb76dc1b3f3fc056.tar.xz | |
rcu: Remove redundant TREE_PREEMPT_RCU config option
PREEMPT_RCU and TREE_PREEMPT_RCU serve the same function after
TINY_PREEMPT_RCU has been removed. This patch removes TREE_PREEMPT_RCU
and uses PREEMPT_RCU config option in its place.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/init/Kconfig b/init/Kconfig index 15c299cc7c1e..5ac596e2cb4b 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -477,7 +477,7 @@ config TREE_RCU thousands of CPUs. It also scales down nicely to smaller systems. -config TREE_PREEMPT_RCU +config PREEMPT_RCU bool "Preemptible tree-based hierarchical RCU" depends on PREEMPT select IRQ_WORK @@ -501,12 +501,6 @@ config TINY_RCU endchoice -config PREEMPT_RCU - def_bool TREE_PREEMPT_RCU - help - This option enables preemptible-RCU code that is common between - TREE_PREEMPT_RCU and, in the old days, TINY_PREEMPT_RCU. - config TASKS_RCU bool "Task_based RCU implementation using voluntary context switch" default n @@ -518,7 +512,7 @@ config TASKS_RCU If unsure, say N. config RCU_STALL_COMMON - def_bool ( TREE_RCU || TREE_PREEMPT_RCU || RCU_TRACE ) + def_bool ( TREE_RCU || PREEMPT_RCU || RCU_TRACE ) help This option enables RCU CPU stall code that is common between the TINY and TREE variants of RCU. The purpose is to allow @@ -576,7 +570,7 @@ config RCU_FANOUT int "Tree-based hierarchical RCU fanout value" range 2 64 if 64BIT range 2 32 if !64BIT - depends on TREE_RCU || TREE_PREEMPT_RCU + depends on TREE_RCU || PREEMPT_RCU default 64 if 64BIT default 32 if !64BIT help @@ -596,7 +590,7 @@ config RCU_FANOUT_LEAF int "Tree-based hierarchical RCU leaf-level fanout value" range 2 RCU_FANOUT if 64BIT range 2 RCU_FANOUT if !64BIT - depends on TREE_RCU || TREE_PREEMPT_RCU + depends on TREE_RCU || PREEMPT_RCU default 16 help This option controls the leaf-level fanout of hierarchical @@ -621,7 +615,7 @@ config RCU_FANOUT_LEAF config RCU_FANOUT_EXACT bool "Disable tree-based hierarchical RCU auto-balancing" - depends on TREE_RCU || TREE_PREEMPT_RCU + depends on TREE_RCU || PREEMPT_RCU default n help This option forces use of the exact RCU_FANOUT value specified, @@ -652,11 +646,11 @@ config RCU_FAST_NO_HZ Say N if you are unsure. config TREE_RCU_TRACE - def_bool RCU_TRACE && ( TREE_RCU || TREE_PREEMPT_RCU ) + def_bool RCU_TRACE && ( TREE_RCU || PREEMPT_RCU ) select DEBUG_FS help This option provides tracing for the TREE_RCU and - TREE_PREEMPT_RCU implementations, permitting Makefile to + PREEMPT_RCU implementations, permitting Makefile to trivially select kernel/rcutree_trace.c. config RCU_BOOST @@ -716,7 +710,7 @@ config RCU_BOOST_DELAY config RCU_NOCB_CPU bool "Offload RCU callback processing from boot-selected CPUs" - depends on TREE_RCU || TREE_PREEMPT_RCU + depends on TREE_RCU || PREEMPT_RCU default n help Use this option to reduce OS jitter for aggressive HPC or |