39 lines
999 B
ReStructuredText
39 lines
999 B
ReStructuredText
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.. _CONFIG_LOCK_INSTRUCTION_UNSUPPORTED:
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CONFIG_LOCK_INSTRUCTION_UNSUPPORTED
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###################################
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This option signifies that the target lacks support for the IA-32
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LOCK prefix instruction. Code running on such targets cannot
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use the LOCK prefix to perform read-modify-write operations in an
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atomic manner; such targets must utilize other techniques to perform
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atomic operations (such as locking interrupts).
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:Symbol: LOCK_INSTRUCTION_UNSUPPORTED
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:Type: bool
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:Value: "n"
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:User value: (no user value)
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:Visibility: "y"
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:Is choice item: false
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:Is defined: true
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:Is from env.: false
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:Is special: false
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:Prompts:
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* "Lock Instruction Unsupported"
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:Default values:
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* n (value: "n")
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* Condition: (none)
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:Selects:
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(no selects)
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:Reverse (select-related) dependencies:
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(no reverse dependencies)
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:Additional dependencies from enclosing menus and ifs:
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(no additional dependencies)
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:Locations:
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* arch/x86/Kconfig:139 |