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authorOleg Nesterov <oleg@redhat.com>2012-12-17 16:01:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-17 17:15:18 -0800
commit22b361d1df7bc25b558e52f22e779286a3d323e4 (patch)
treea66c2e50d07d87e52dfc74a1e9118b2aff6759fe /lib/Kconfig
parent8ebe34731a0d1a9d89b536430afd98d0fadec99b (diff)
downloadlinux-22b361d1df7bc25b558e52f22e779286a3d323e4.tar.gz
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/Kconfig3
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
config STMP_DEVICE
bool
+config PERCPU_RWSEM
+ boolean
+
config CRC_CCITT
tristate "CRC-CCITT functions"
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