43 lines
989 B
Plaintext
43 lines
989 B
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config HAVE_GENERIC_VDSO
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bool
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if HAVE_GENERIC_VDSO
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config GENERIC_GETTIMEOFDAY
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bool
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help
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This is a generic implementation of gettimeofday vdso.
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Each architecture that enables this feature has to
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provide the fallback implementation.
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config GENERIC_VDSO_32
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bool
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depends on GENERIC_GETTIMEOFDAY && !64BIT
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help
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This config option helps to avoid possible performance issues
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in 32 bit only architectures.
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config GENERIC_COMPAT_VDSO
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bool
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help
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This config option enables the compat VDSO layer.
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config CROSS_COMPILE_COMPAT_VDSO
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string "32 bit Toolchain prefix for compat vDSO"
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default ""
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depends on GENERIC_COMPAT_VDSO
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help
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Defines the cross-compiler prefix for compiling compat vDSO.
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If a 64 bit compiler (i.e. x86_64) can compile the VDSO for
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32 bit, it does not need to define this parameter.
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config GENERIC_VDSO_TIME_NS
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bool
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help
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Selected by architectures which support time namespaces in the
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VDSO
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endif
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