LU-2800 autoconf: remove topology checks

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

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index de86a96..654aa9d 100644 (file)
--- a/libcfs/autoconf/lustre-libcfs.m4
+++ b/libcfs/autoconf/lustre-libcfs.m4
@@ -97,129 +97,6 @@ LB_LINUX_TRY_COMPILE([
 ])
 ])
 
-# check cpu topology functions
-#
-# topology_core_cpumask (2.6.29, not on all archs)
-# topology_core_siblings (not on all archs)
-# topology_thread_cpumask (2.6.29, not on all archs)
-# topology_thread_siblings (not on all archs)
-# cpumask_of_node/node_to_cpumask (not always exported)
-AC_DEFUN([LIBCFS_CPU_TOPOLOGY],
-[AC_MSG_CHECKING([whether have topology.h])
-LB_LINUX_TRY_COMPILE([
-       #include <linux/topology.h>
-],[],[
-       AC_DEFINE(HAVE_CPU_TOPOLOGY, 1, [have CPU topology])
-       AC_MSG_RESULT(yes)
-
-       AC_MSG_CHECKING([whether have topology_core_cpumask])
-       LB_LINUX_TRY_COMPILE([
-               #include <linux/topology.h>
-       ],[
-               cpumask_t *mask = topology_core_cpumask(0);
-       ],[
-               AC_DEFINE(HAVE_TOPOLOGY_CORE_CPUMASK, 1,
-                         [have topology_core_cpumask])
-               AC_MSG_RESULT(yes)
-       ],[
-               AC_MSG_RESULT(no)
-       ])
-
-       AC_MSG_CHECKING([whether have topology_core_siblings])
-       LB_LINUX_TRY_COMPILE([
-               #include <linux/topology.h>
-       ],[
-               cpumask_t mask = topology_core_siblings(0);
-       ],[
-               AC_DEFINE(HAVE_TOPOLOGY_CORE_SIBLINGS, 1,
-                         [have topology_core_siblings])
-               AC_MSG_RESULT(yes)
-       ],[
-               AC_MSG_RESULT(no)
-       ])
-
-       AC_MSG_CHECKING([whether have topology_thread_cpumask])
-       LB_LINUX_TRY_COMPILE([
-               #include <linux/topology.h>
-       ],[
-               cpumask_t *mask = topology_thread_cpumask(0);
-       ],[
-               AC_DEFINE(HAVE_TOPOLOGY_THREAD_CPUMASK, 1,
-                         [have topology_thread_cpumask])
-               AC_MSG_RESULT(yes)
-       ],[
-               AC_MSG_RESULT(no)
-       ])
-
-       AC_MSG_CHECKING([whether have topology_thread_siblings])
-       LB_LINUX_TRY_COMPILE([
-               #include <linux/topology.h>
-       ],[
-               cpumask_t mask = topology_thread_siblings(0);
-       ],[
-               AC_DEFINE(HAVE_TOPOLOGY_THREAD_SIBLINGS, 1,
-                         [have topology_thread_siblings])
-               AC_MSG_RESULT(yes)
-       ],[
-               AC_MSG_RESULT(no)
-       ])
-
-       AC_MSG_CHECKING([whether OFED backports have cpumask_of_node])
-       # Some OFED has cpumask_of_node backports defined in
-       # its private include/linux/cpumask.h. However, it is
-       # defined conflictingly with kernel's cpumask_of_node.
-       if test -f $OFED_BACKPORT_PATH/linux/cpumask.h; then
-               grep -q cpumask_of_node $OFED_BACKPORT_PATH/linux/cpumask.h 2>/dev/null
-               rc=$?
-               if test $rc -eq 0; then
-                       AC_DEFINE(HAVE_OFED_CPUMASK_OF_NODE, 1, [have cpumask_of_node])
-                       AC_MSG_RESULT(yes)
-               else
-                       AC_MSG_RESULT(no)
-               fi
-       fi
-
-       AC_MSG_CHECKING([whether have cpumask_of_node])
-       LB_LINUX_TRY_COMPILE([
-               #include <linux/topology.h>
-       ],[
-               cpumask_t *mask = cpumask_of_node(0);
-       ],[
-               AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1, [have cpumask_of_node])
-               AC_MSG_RESULT(yes)
-       ],[
-               AC_MSG_RESULT(no)
-       ])
-
-       AC_MSG_CHECKING([whether have cpumask_copy])
-       LB_LINUX_TRY_COMPILE([
-               #include <linux/cpumask.h>
-       ],[
-               cpumask_copy(NULL, NULL);
-       ],[
-               AC_DEFINE(HAVE_CPUMASK_COPY, 1, [have cpumask_copy])
-               AC_MSG_RESULT(yes)
-       ],[
-               AC_MSG_RESULT(no)
-       ])
-
-       AC_MSG_CHECKING([whether have node_to_cpumask])
-       LB_LINUX_TRY_COMPILE([
-               #include <linux/topology.h>
-       ],[
-               cpumask_t mask = node_to_cpumask(0);
-       ],[
-               AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, [have node_to_cpumask])
-               AC_MSG_RESULT(yes)
-       ],[
-               AC_MSG_RESULT(no)
-       ])
-],[
-       AC_MSG_RESULT(NO)
-])
-])
-
-
 # 2.6.24 request not use real numbers for ctl_name
 AC_DEFUN([LIBCFS_SYSCTL_UNNUMBERED],
 [AC_MSG_CHECKING([for CTL_UNNUMBERED])
@@ -516,10 +393,6 @@ LIBCFS_HAVE_IS_COMPAT_TASK
 LIBCFS_SYSCTL_UNNUMBERED
 LIBCFS_FUNC_DUMP_TRACE
 LIBCFS_HAVE_KEYTYPE_H
-# 2.6.28
-LIBCFS_CPUMASK_SIZE
-# 2.6.29
-LIBCFS_CPU_TOPOLOGY
 # 2.6.30
 LIBCFS_SOCK_MAP_FD_2ARG
 # 2.6.32