diff options
author | Oleg Nesterov <oleg@redhat.com> | 2012-12-17 19:01:39 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-17 20:15:18 -0500 |
commit | 22b361d1df7bc25b558e52f22e779286a3d323e4 (patch) | |
tree | a66c2e50d07d87e52dfc74a1e9118b2aff6759fe /lib/Kconfig | |
parent | 8ebe34731a0d1a9d89b536430afd98d0fadec99b (diff) |
percpu_rw_semaphore: introduce CONFIG_PERCPU_RWSEM
Currently only block_dev and uprobes use percpu_rw_semaphore,
add the config option selected by BLOCK || UPROBES.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Anton Arapov <anton@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/Kconfig')
-rw-r--r-- | lib/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 4b31a46fb30..75cdb77fa49 100644 --- a/lib/Kconfig +++ b/lib/Kconfig | |||
@@ -42,6 +42,9 @@ config GENERIC_IO | |||
42 | config STMP_DEVICE | 42 | config STMP_DEVICE |
43 | bool | 43 | bool |
44 | 44 | ||
45 | config PERCPU_RWSEM | ||
46 | boolean | ||
47 | |||
45 | config CRC_CCITT | 48 | config CRC_CCITT |
46 | tristate "CRC-CCITT functions" | 49 | tristate "CRC-CCITT functions" |
47 | help | 50 | help |