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authorLinus Torvalds <torvalds@linux-foundation.org>2015-09-05 20:34:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-05 20:34:28 -0700
commit7d9071a095023cd1db8fa18fa0d648dc1a5210e0 (patch)
tree072b462e43912b9dfc321136f3367114dcb8f2b3 /init
parentbd779669945ed9982890da789ad32e3bd0d41f14 (diff)
parent397d425dc26da728396e66d392d5dcb8dac30c37 (diff)
downloadlinux-linaro-stable-7d9071a095023cd1db8fa18fa0d648dc1a5210e0.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro: "In this one: - d_move fixes (Eric Biederman) - UFS fixes (me; locking is mostly sane now, a bunch of bugs in error handling ought to be fixed) - switch of sb_writers to percpu rwsem (Oleg Nesterov) - superblock scalability (Josef Bacik and Dave Chinner) - swapon(2) race fix (Hugh Dickins)" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (65 commits) vfs: Test for and handle paths that are unreachable from their mnt_root dcache: Reduce the scope of i_lock in d_splice_alias dcache: Handle escaped paths in prepend_path mm: fix potential data race in SyS_swapon inode: don't softlockup when evicting inodes inode: rename i_wb_list to i_io_list sync: serialise per-superblock sync operations inode: convert inode_sb_list_lock to per-sb inode: add hlist_fake to avoid the inode hash lock in evict writeback: plug writeback at a high level change sb_writers to use percpu_rw_semaphore shift percpu_counter_destroy() into destroy_super_work() percpu-rwsem: kill CONFIG_PERCPU_RWSEM percpu-rwsem: introduce percpu_rwsem_release() and percpu_rwsem_acquire() percpu-rwsem: introduce percpu_down_read_trylock() document rwsem_release() in sb_wait_write() fix the broken lockdep logic in __sb_start_write() introduce __sb_writers_{acquired,release}() helpers ufs_inode_get{frag,block}(): get rid of 'phys' argument ufs_getfrag_block(): tidy up a bit ...
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 2c0e50ef554a..9cabd866b34b 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -927,7 +927,6 @@ 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