]) # LN_CONFIG_SK_DATA_READY
#
+# LN_CONFIG_SOCK_ACCEPT
+#
+# 4.11 commit cdfbabfb2f0ce983fdaa42f20e5f7842178fc01e added a flag
+# to handle a possible lockdep condition kernel socket accept.
+#
+AC_DEFUN([LN_CONFIG_SOCK_ACCEPT], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'struct sock' accept function requires a bool argument],
+kern_sock_flag, [
+ #include <linux/net.h>
+],[
+ ((struct socket *)0)->ops->accept(NULL, NULL, O_NONBLOCK, false);
+],[
+ AC_DEFINE(HAVE_KERN_SOCK_ACCEPT_FLAG_ARG, 1,
+ ['struct sock' accept function requires bool argument])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_CONFIG_SOCK_ACCEPT
+
+#
# LN_PROG_LINUX
#
# LNet linux kernel checks
LN_CONFIG_SK_SLEEP
# 2.6.36
LN_CONFIG_TCP_SENDPAGE
-# 4.x
-LN_CONFIG_SOCK_CREATE_KERN
# 3.15
LN_CONFIG_SK_DATA_READY
+# 4.x
+LN_CONFIG_SOCK_CREATE_KERN
+# 4.11
+LN_CONFIG_SOCK_ACCEPT
]) # LN_PROG_LINUX
#