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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-05-11 16:13:14 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-06-14 16:37:26 -0700
commit71d1d5c722db9ae3b3f9c08ef7ddcd7759fbb1e0 (patch)
tree64d9f91fc839ad4f2270579ff2376c906ee16caa /include/linux
parentf5155b33277c9678041a27869165619bb34f722f (diff)
downloadop-kernel-dev-71d1d5c722db9ae3b3f9c08ef7ddcd7759fbb1e0.zip
op-kernel-dev-71d1d5c722db9ae3b3f9c08ef7ddcd7759fbb1e0.tar.gz
rcu: add __rcu API for later sparse checking
This commit defines an __rcu API, but provides only vacuous definitions for it. This breaks dependencies among most of the subsequent patches, allowing them to reach mainline asynchronously via whatever trees are appropriate. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Christopher Li <sparse@chrisli.org> Cc: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/compiler.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index a5a472b..c1a62c5 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -16,6 +16,7 @@
# define __release(x) __context__(x,-1)
# define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0)
# define __percpu __attribute__((noderef, address_space(3)))
+# define __rcu
extern void __chk_user_ptr(const volatile void __user *);
extern void __chk_io_ptr(const volatile void __iomem *);
#else
@@ -34,6 +35,7 @@ extern void __chk_io_ptr(const volatile void __iomem *);
# define __release(x) (void)0
# define __cond_lock(x,c) (c)
# define __percpu
+# define __rcu
#endif
#ifdef __KERNEL__
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