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authorPaul E. McKenney <paulmck@us.ibm.com>2006-06-23 02:05:51 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:43:07 -0700
commitd83015b8f62ee3fcd338f6f009051ed57f77a531 (patch)
tree11e30548e6b07045f8a17aa4661e1cde6f374b18 /include
parent55f4e8d156d23709739029afb108932ef94cac94 (diff)
[PATCH] Make RCU API inaccessible to non-GPL Linux kernel modules
Remove synchronize_kernel() (deprecated 2-APR-2005 in http://lkml.org/lkml/2005/4/3/11) and makes the RCU API inaccessible to non-GPL Linux kernel modules (as was announced more than one year ago in http://lkml.org/lkml/2005/4/3/8). Tested on x86 and ppc64. Signed-off-by: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/rcupdate.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 970284f571a..6312758393b 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -246,7 +246,7 @@ extern int rcu_needs_cpu(int cpu);
* softirq handlers will have completed, since in some kernels, these
* handlers can run in process context, and can block.
*
- * This primitive provides the guarantees made by the (deprecated)
+ * This primitive provides the guarantees made by the (now removed)
* synchronize_kernel() API. In contrast, synchronize_rcu() only
* guarantees that rcu_read_lock() sections will have completed.
* In "classic RCU", these two guarantees happen to be one and
@@ -264,7 +264,6 @@ extern void FASTCALL(call_rcu(struct rcu_head *head,
void (*func)(struct rcu_head *head)));
extern void FASTCALL(call_rcu_bh(struct rcu_head *head,
void (*func)(struct rcu_head *head)));
-extern __deprecated_for_modules void synchronize_kernel(void);
extern void synchronize_rcu(void);
void synchronize_idle(void);
extern void rcu_barrier(void);