add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/x86/hyperv/hv_init.c
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..
@@ -453,8 +453,6 @@
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 {
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 	union hv_x64_msr_hypercall_contents hypercall_msr;
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-	unregister_syscore_ops(&hv_syscore_ops);
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-
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 	/* Reset our OS id */
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 	wrmsrl(HV_X64_MSR_GUEST_OS_ID, 0);
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