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d55c5a93db
All 486+ CPUs support CMPXCHG, so remove the fallback 386 support code. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/1354132230-21854-3-git-send-email-hpa@linux.intel.com
53 lines
1.3 KiB
Plaintext
53 lines
1.3 KiB
Plaintext
#
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# This Kconfig describes xen options
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#
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config XEN
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bool "Xen guest support"
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select PARAVIRT
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select PARAVIRT_CLOCK
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depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
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depends on X86_TSC
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help
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This is the Linux Xen port. Enabling this will allow the
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kernel to boot in a paravirtualized environment under the
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Xen hypervisor.
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config XEN_DOM0
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def_bool y
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depends on XEN && PCI_XEN && SWIOTLB_XEN
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depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI
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# Dummy symbol since people have come to rely on the PRIVILEGED_GUEST
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# name in tools.
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config XEN_PRIVILEGED_GUEST
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def_bool XEN_DOM0
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config XEN_PVHVM
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def_bool y
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depends on XEN && PCI && X86_LOCAL_APIC
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config XEN_MAX_DOMAIN_MEMORY
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int
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default 500 if X86_64
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default 64 if X86_32
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depends on XEN
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help
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This only affects the sizing of some bss arrays, the unused
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portions of which are freed.
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config XEN_SAVE_RESTORE
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bool
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depends on XEN
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select HIBERNATE_CALLBACKS
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default y
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config XEN_DEBUG_FS
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bool "Enable Xen debug and tuning parameters in debugfs"
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depends on XEN && DEBUG_FS
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default n
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help
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Enable statistics output and various tuning options in debugfs.
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Enabling this option may incur a significant performance overhead.
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