| dnl # |
| dnl # 4.6 API change |
| dnl # Added CPU hotplug APIs |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_CPU_HOTPLUG], [ |
| ZFS_LINUX_TEST_SRC([cpu_hotplug], [ |
| #include <linux/cpuhotplug.h> |
| ],[ |
| enum cpuhp_state state = CPUHP_ONLINE; |
| int (*fp)(unsigned int, struct hlist_node *) = NULL; |
| cpuhp_state_add_instance_nocalls(0, (struct hlist_node *)NULL); |
| cpuhp_state_remove_instance_nocalls(0, (struct hlist_node *)NULL); |
| cpuhp_setup_state_multi(state, "", fp, fp); |
| cpuhp_remove_multi_state(0); |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_CPU_HOTPLUG], [ |
| AC_MSG_CHECKING([whether CPU hotplug APIs exist]) |
| ZFS_LINUX_TEST_RESULT([cpu_hotplug], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_CPU_HOTPLUG, 1, [yes]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
