kernel-hotplug.m4

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    1 dnl #
    2 dnl # 4.6 API change
    3 dnl # Added CPU hotplug APIs
    4 dnl #
    5 AC_DEFUN([ZFS_AC_KERNEL_SRC_CPU_HOTPLUG], [
    6         ZFS_LINUX_TEST_SRC([cpu_hotplug], [
    7                 #include <linux/cpuhotplug.h>
    8         ],[
    9                 enum cpuhp_state state = CPUHP_ONLINE;
   10                 int (*fp)(unsigned int, struct hlist_node *) = NULL;
   11                 cpuhp_state_add_instance_nocalls(0, (struct hlist_node *)NULL);
   12                 cpuhp_state_remove_instance_nocalls(0, (struct hlist_node *)NULL);
   13                 cpuhp_setup_state_multi(state, "", fp, fp);
   14                 cpuhp_remove_multi_state(0);
   15         ])
   16 ])
   17 
   18 AC_DEFUN([ZFS_AC_KERNEL_CPU_HOTPLUG], [
   19         AC_MSG_CHECKING([whether CPU hotplug APIs exist])
   20         ZFS_LINUX_TEST_RESULT([cpu_hotplug], [
   21                 AC_MSG_RESULT(yes)
   22                 AC_DEFINE(HAVE_CPU_HOTPLUG, 1, [yes])
   23         ],[
   24                 AC_MSG_RESULT(no)
   25         ])
   26 ])

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/config/kernel-hotplug.m4

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/config/kernel-hotplug.m4