| .. | .. | 
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| 7 | 7 |  	bool "Xen guest support" | 
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| 8 | 8 |  	depends on PARAVIRT | 
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| 9 | 9 |  	select PARAVIRT_CLOCK | 
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 | 10 | +	select X86_HV_CALLBACK_VECTOR  | 
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| 10 | 11 |  	depends on X86_64 || (X86_32 && X86_PAE) | 
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| 11 | 12 |  	depends on X86_LOCAL_APIC && X86_TSC | 
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| 12 | 13 |  	help | 
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| .. | .. | 
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| 18 | 19 |  	bool "Xen PV guest support" | 
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| 19 | 20 |  	default y | 
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| 20 | 21 |  	depends on XEN | 
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 | 22 | +	depends on X86_64  | 
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 | 23 | +	select PARAVIRT_XXL  | 
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| 21 | 24 |  	select XEN_HAVE_PVMMU | 
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| 22 | 25 |  	select XEN_HAVE_VPMU | 
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| 23 | 26 |  	help | 
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| .. | .. | 
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| 48 | 51 |   | 
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| 49 | 52 |  config XEN_512GB | 
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| 50 | 53 |  	bool "Limit Xen pv-domain memory to 512GB" | 
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| 51 |  | -	depends on XEN_PV && X86_64  | 
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 | 54 | +	depends on XEN_PV  | 
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| 52 | 55 |  	default y | 
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| 53 | 56 |  	help | 
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| 54 | 57 |  	  Limit paravirtualized user domains to 512GB of RAM. | 
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| .. | .. | 
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| 60 | 63 |  	  boot parameter "xen_512gb_limit". | 
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| 61 | 64 |   | 
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| 62 | 65 |  config XEN_SAVE_RESTORE | 
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| 63 |  | -       bool  | 
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| 64 |  | -       depends on XEN  | 
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| 65 |  | -       select HIBERNATE_CALLBACKS  | 
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| 66 |  | -       default y  | 
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 | 66 | +	bool  | 
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 | 67 | +	depends on XEN  | 
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 | 68 | +	select HIBERNATE_CALLBACKS  | 
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 | 69 | +	default y  | 
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| 67 | 70 |   | 
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| 68 | 71 |  config XEN_DEBUG_FS | 
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| 69 | 72 |  	bool "Enable Xen debug and tuning parameters in debugfs" | 
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| 70 | 73 |  	depends on XEN && DEBUG_FS | 
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| 71 |  | -	default n  | 
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| 72 | 74 |  	help | 
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| 73 | 75 |  	  Enable statistics output and various tuning options in debugfs. | 
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| 74 | 76 |  	  Enabling this option may incur a significant performance overhead. | 
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| 75 | 77 |   | 
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| 76 | 78 |  config XEN_PVH | 
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| 77 |  | -	bool "Support for running as a PVH guest"  | 
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 | 79 | +	bool "Support for running as a Xen PVH guest"  | 
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| 78 | 80 |  	depends on XEN && XEN_PVHVM && ACPI | 
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 | 81 | +	select PVH  | 
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| 79 | 82 |  	def_bool n | 
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