])
#
+# LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
+#
+# 2.6.32-30.el6 adds a new 'walk_stack' field in 'struct stacktrace_ops'
+#
+AC_DEFUN([LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK],
+[AC_MSG_CHECKING([if 'struct stacktrace_ops' has 'walk_stack' field])
+LB_LINUX_TRY_COMPILE([
+ #include <asm/stacktrace.h>
+ unsigned long walkstack(struct thread_info *tinfo,
+ unsigned long *stack,
+ unsigned long bp,
+ const struct stacktrace_ops *ops,
+ void *data,
+ unsigned long *end,
+ int *graph);
+],[
+ struct stacktrace_ops ops;
+
+ ops.walk_stack = walkstack;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(STACKTRACE_OPS_HAVE_WALK_STACK, 1, ['struct stacktrace_ops' has 'walk_stack' field])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
# LIBCFS_PROG_LINUX
#
# LNet linux kernel checks
# 2.6.30
LIBCFS_FUNC_UNSHARE_FS_STRUCT
LIBCFS_SOCK_MAP_FD_2ARG
+# 2.6.32
+LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
])
#