bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 14:53:58 -04:00
Code Issues Packages Projects Releases Wiki Activity

Merge tag 'x86-fpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse Source 
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
This commit is contained in:
Linus Torvalds
2020-08-03 17:21:10 -07:00
parent 335ad94c21 4185b3b927
commit 0a897743ac
8 changed files with 243 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/Kconfig.debug
View File

@@ -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