Commit bf3eac84 authored by Oleg Nesterov's avatar Oleg Nesterov
Browse files

percpu-rwsem: kill CONFIG_PERCPU_RWSEM 



Remove CONFIG_PERCPU_RWSEM, the next patch adds the unconditional
user of percpu_rw_semaphore.

Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
parent 55cc1565

arch/Kconfig

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Original line number Diff line number Diff line
@@ -87,7 +87,6 @@ config KPROBES_ON_FTRACE 


config UPROBES

	def_bool n

	select PERCPU_RWSEM

	help

	  Uprobes is the user-space counterpart to kprobes: they

	  enable instrumentation applications (such as 'perf probe')

init/Kconfig

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@@ -925,7 +925,6 @@ config NUMA_BALANCING_DEFAULT_ENABLED 
menuconfig CGROUPS

	bool "Control Group support"

	select KERNFS

	select PERCPU_RWSEM

	help

	  This option adds support for grouping sets of processes together, for

	  use with process control subsystems such as Cpusets, CFS, memory

kernel/locking/Makefile

+1 −2
Original line number Diff line number Diff line 


obj-y += mutex.o semaphore.o rwsem.o

obj-y += mutex.o semaphore.o rwsem.o percpu-rwsem.o



ifdef CONFIG_FUNCTION_TRACER

CFLAGS_REMOVE_lockdep.o = $(CC_FLAGS_FTRACE)
@@ -25,6 +25,5 @@ obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o 
obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o

obj-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o

obj-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem-xadd.o

obj-$(CONFIG_PERCPU_RWSEM) += percpu-rwsem.o

obj-$(CONFIG_QUEUED_RWLOCKS) += qrwlock.o

obj-$(CONFIG_LOCK_TORTURE_TEST) += locktorture.o

lib/Kconfig

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@@ -53,9 +53,6 @@ config GENERIC_IO 
config STMP_DEVICE

	bool



config PERCPU_RWSEM

	bool



config ARCH_USE_CMPXCHG_LOCKREF

	bool