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Thomas Weißschuh
258b37c6e6
All architectures which want to implement getrandom() in the vDSO need to use the generic vDSO library. Signed-off-by: Thomas Weißschuh <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Link: https://lore.kernel.org/all/[email protected]
28 lines
580 B
Plaintext
28 lines
580 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_OVERFLOW_PROTECT
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bool
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help
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Select to add multiplication overflow protection to the VDSO
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time getter functions for the price of an extra conditional
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in the hotpath.
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config VDSO_GETRANDOM
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bool
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help
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Selected by architectures that support vDSO getrandom().
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endif
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