rcu: add __rcu API for later sparse checking (71d1d5c7) · Commits · 戴 / test

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>

include/linux/compiler.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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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