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authorLinus Torvalds2020-08-03 17:21:10 -0700
committerLinus Torvalds2020-08-03 17:21:10 -0700
commit0a897743ac258927dd29bb91ac663b568f53429d (patch)
treec98ac1b01fe05dc48685fae3f8916ec6e7143cad /lib/Kconfig.debug
parent335ad94c218e96ef12f56d93eadc884731aa23b1 (diff)
parent4185b3b92792eaec5869266e594338343421ffb0 (diff)
Merge tag 'x86-fpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 FPU selftest from Ingo Molnar: "Add the /sys/kernel/debug/selftest_helpers/test_fpu FPU self-test" * tag 'x86-fpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: selftests/fpu: Add an FPU selftest
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r--lib/Kconfig.debug11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 1da566baecc9..3e64a8a809f9 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2314,6 +2314,17 @@ config TEST_HMM
If unsure, say N.
+config TEST_FPU
+ tristate "Test floating point operations in kernel space"
+ depends on X86 && !KCOV_INSTRUMENT_ALL
+ help
+ 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.
+
endif # RUNTIME_TESTING_MENU
config MEMTEST