LU-812 synchronize_rcu no longer a define

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 10fea4d..b069946 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -850,17 +850,6 @@ LB_LINUX_TRY_COMPILE([
 EXTRA_KCFLAGS="$tmp_flags"
 ])
 
-# LC_EXPORT_SYNCHRONIZE_RCU
-# after 2.6.12 synchronize_rcu is preferred over synchronize_kernel
-AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU],
-[LB_CHECK_SYMBOL_EXPORT([synchronize_rcu],
-[kernel/rcupdate.c],[
-        AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1,
-                [in 2.6.12 synchronize_rcu preferred over synchronize_kernel])
-],[
-])
-])
-
 # 2.6.15
 
 # LC_INODE_I_MUTEX