linux.git/tools/testing/selftests/powerpc/math/Makefile, branch v4.13

selftests/powerpc: Fix remaining fallout from recent changes

2017-02-14T15:02:27+00:00

In benchmarks we need to use $(TEST_GEN_PROGS) after we include lib.mk,
because lib.mk does the substitution to add $(OUTPUT).

In math the vmx and fpu names were typoed so they no longer matched
correctly, put back the 'v' and 'f'.

In tm we need to substitute $(OUTPUT) into SIGNAL_CONTEXT_CHK_TESTS so
that the rule matches.

In pmu there is an extraneous ':' on the end of $$BUILD_TARGET for the
clean and install rules, which breaks the logic in the child Makefiles.

Fixes: a8ba798bc8ec ("selftests: enable O and KBUILD_OUTPUT")
Signed-off-by: Michael Ellerman 
Signed-off-by: Shuah Khan

selftests: enable O and KBUILD_OUTPUT

2017-01-05T20:42:22+00:00

Enable O and KBUILD_OUTPUT for kselftest. User could compile kselftest
to another directory by passing O or KBUILD_OUTPUT. And O is high
priority than KBUILD_OUTPUT.

Signed-off-by: Bamvor Jian Zhang 
Signed-off-by: Shuah Khan

selftests: remove duplicated all and clean target

2017-01-05T20:41:35+00:00

Currently, kselftest use TEST_PROGS, TEST_PROGS_EXTENDED, TEST_FILES to
indicate the test program, extended test program and test files. It is
easy to understand the purpose of these files. But mix of compiled and
uncompiled files lead to duplicated "all" and "clean" targets.

In order to remove the duplicated targets, introduce TEST_GEN_PROGS,
TEST_GEN_PROGS_EXTENDED, TEST_GEN_FILES to indicate the compiled
objects.

Also, the later patch will make use of TEST_GEN_XXX to redirect these
files to output directory indicated by KBUILD_OUTPUT or O.

And add this changes to "Contributing new tests(details)" of
Documentation/kselftest.txt.

Signed-off-by: Bamvor Jian Zhang 
Signed-off-by: Shuah Khan

selftests/powerpc: Check for VSX preservation across userspace preemption

2016-10-04T09:10:09+00:00

Ensure the kernel correctly switches VSX registers correctly. VSX
registers are all volatile, and despite the kernel preserving VSX
across syscalls, it doesn't have to. Test that during interrupts and
timeslices ending the VSX regs remain the same.

Signed-off-by: Cyril Bur 
Signed-off-by: Michael Ellerman

selftests/powerpc: Test FPU and VMX regs in signal ucontext

2016-03-02T12:34:47+00:00

Load up the non volatile FPU and VMX regs and ensure that they are the
expected value in a signal handler

Signed-off-by: Cyril Bur 
Signed-off-by: Michael Ellerman

selftests/powerpc: Test preservation of FPU and VMX regs across preemption

2016-03-02T12:34:47+00:00

Loop in assembly checking the registers with many threads.

Signed-off-by: Cyril Bur 
Signed-off-by: Michael Ellerman

selftests/powerpc: Test the preservation of FPU and VMX regs across syscall

2016-03-02T12:34:46+00:00

Test that the non volatile floating point and Altivec registers get
correctly preserved across the fork() syscall.

fork() works nicely for this purpose, the registers should be the same for
both parent and child

Signed-off-by: Cyril Bur 
[mpe: Add include guards to basic_asm.h, minor formatting]
Signed-off-by: Michael Ellerman