add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/xen/time.c
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@@ -64,7 +64,7 @@
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 	do {
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 		state_time = get64(&state->state_entry_time);
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 		rmb();	/* Hypervisor might update data. */
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-		*res = READ_ONCE(*state);
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+		*res = __READ_ONCE(*state);
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 		rmb();	/* Hypervisor might update data. */
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 	} while (get64(&state->state_entry_time) != state_time ||
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 		 (state_time & XEN_RUNSTATE_UPDATE));
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@@ -175,7 +175,7 @@
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 	xen_runstate_remote = !HYPERVISOR_vm_assist(VMASST_CMD_enable,
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 					VMASST_TYPE_runstate_update_flag);
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-	pv_time_ops.steal_clock = xen_steal_clock;
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+	pv_ops.time.steal_clock = xen_steal_clock;
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 	static_key_slow_inc(&paravirt_steal_enabled);
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 	if (xen_runstate_remote)