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From: Oleg Nesterov <oleg@redhat.com>
To: Al Viro <viro@zeniv.linux.org.uk>,
	Dave Chinner <david@fromorbit.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Jan Kara <jack@suse.cz>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 6/8] percpu-rwsem: kill CONFIG_PERCPU_RWSEM
Date: Tue, 11 Aug 2015 19:04:13 +0200	[thread overview]
Message-ID: <20150811170413.GA26924@redhat.com> (raw)
In-Reply-To: <20150811170343.GA26881@redhat.com>

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

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
---
 arch/Kconfig            |    1 -
 init/Kconfig            |    1 -
 kernel/locking/Makefile |    3 +--
 lib/Kconfig             |    3 ---
 4 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/arch/Kconfig b/arch/Kconfig
index a65eafb..94d6471 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -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')
diff --git a/init/Kconfig b/init/Kconfig
index b9b824b..dc24dec 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -938,7 +938,6 @@ 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
diff --git a/kernel/locking/Makefile b/kernel/locking/Makefile
index de7a416..a05a29f 100644
--- a/kernel/locking/Makefile
+++ b/kernel/locking/Makefile
@@ -1,5 +1,5 @@
 
-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 = $(CC_FLAGS_FTRACE)
@@ -24,6 +24,5 @@ obj-$(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
diff --git a/lib/Kconfig b/lib/Kconfig
index 601965a..597aa66 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -53,9 +53,6 @@ config GENERIC_IO
 config STMP_DEVICE
 	bool
 
-config PERCPU_RWSEM
-	bool
-
 config ARCH_USE_CMPXCHG_LOCKREF
 	bool
 
-- 
1.5.5.1


  parent reply	other threads:[~2015-08-11 17:06 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-11 17:03 [PATCH v2 0/8] change sb_writers to use percpu_rw_semaphore Oleg Nesterov
2015-08-11 17:03 ` [PATCH v2 1/8] introduce __sb_{acquire,release}_write() helpers Oleg Nesterov
2015-08-13  9:45   ` Jan Kara
2015-08-13  9:56     ` Jan Kara
2015-08-13 13:17       ` Oleg Nesterov
2015-08-13 13:32         ` Jan Kara
2015-08-13 13:37           ` Oleg Nesterov
2015-08-11 17:04 ` [PATCH v2 2/8] fix the broken lockdep logic in __sb_start_write() Oleg Nesterov
2015-08-13 10:02   ` Jan Kara
2015-08-13 13:22     ` Oleg Nesterov
2015-08-13 13:29       ` Jan Kara
2015-08-11 17:04 ` [PATCH v2 3/8] document rwsem_release() in sb_wait_write() Oleg Nesterov
2015-08-13 10:22   ` Jan Kara
2015-08-11 17:04 ` [PATCH v2 4/8] percpu-rwsem: introduce percpu_down_read_trylock() Oleg Nesterov
2015-08-11 17:04 ` [PATCH v2 5/8] percpu-rwsem: introduce percpu_rwsem_release() and percpu_rwsem_acquire() Oleg Nesterov
2015-08-11 17:04 ` Oleg Nesterov [this message]
2015-08-11 17:04 ` [PATCH v2 7/8] shift percpu_counter_destroy() into destroy_super_work() Oleg Nesterov
2015-08-13 10:35   ` Jan Kara
2015-08-13 13:36     ` Oleg Nesterov
2015-08-13 14:09       ` Jan Kara
2015-08-13 15:20         ` Oleg Nesterov
2015-08-11 17:04 ` [PATCH v2 8/8] change sb_writers to use percpu_rw_semaphore Oleg Nesterov
2015-08-13 10:48   ` Jan Kara
2015-08-12 13:11 ` [PATCH v2 9/8] don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov
2015-08-13 11:01   ` Jan Kara
2015-08-13 13:58     ` Oleg Nesterov

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