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