CONFIG_TEST_FPU: Test floating point operations in kernel space

General informations

The Linux kernel configuration item CONFIG_TEST_FPU:

• prompt: Test floating point operations in kernel space
• type: tristate
• depends on: CONFIG_X86 && ! CONFIG_KCOV_INSTRUMENT_ALL
• defined in lib/Kconfig.debug
• found in Linux kernels: 5.9–5.19, 6.0–6.8, 6.9-rc+HEAD
• modules built: test_fpu

Help text

Enable this option to add /sys/kernel/debug/selftest_helpers/test_fpu which will trigger a sequence of floating point operations. This is used for self-testing floating point control register setting in kernel_fpu_begin().

If unsure, say N.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module test_fpu CONFIG_TEST_FPU : lib/Kconfig.debug : "Test floating point operations in kernel space" # in 5.9–5.19, 6.0–6.8, 6.9-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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