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| author |   Michael Ellerman <mpe@ellerman.id.au> | 2020-08-03 12:07:19 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-08-03 22:12:41 +1000 |
| commit | 872d11bca9c29ed19595c993b9f552ffe9b63dcb (patch) | |
| tree | 101f33625913e951cad50b2ea693162014d6efb0 /tools/testing/selftests/powerpc/math/vmx_preempt.c | |
| parent | powerpc/40x: Fix assembler warning about r0 (diff) | |
| download | linux-dev-872d11bca9c29ed19595c993b9f552ffe9b63dcb.tar.xz linux-dev-872d11bca9c29ed19595c993b9f552ffe9b63dcb.zip | |
selftests/powerpc: Skip vmx/vsx/tar/etc tests on older CPUs
Some of our tests use VSX or newer VMX instructions, so need to be
skipped on older CPUs to avoid SIGILL'ing.
Similarly TAR was added in v2.07, and the PMU event used in the stcx
fail test only works on Power8 or later.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200803020719.96114-1-mpe@ellerman.id.au
Diffstat (limited to 'tools/testing/selftests/powerpc/math/vmx_preempt.c')
| -rw-r--r-- | tools/testing/selftests/powerpc/math/vmx_preempt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/math/vmx_preempt.c b/tools/testing/selftests/powerpc/math/vmx_preempt.c index 2e059f154e77..6761d6ce30ec 100644 --- a/tools/testing/selftests/powerpc/math/vmx_preempt.c +++ b/tools/testing/selftests/powerpc/math/vmx_preempt.c @@ -57,6 +57,9 @@ int test_preempt_vmx(void) int i, rc, threads; pthread_t *tids; + // vcmpequd used in vmx_asm.S is v2.07 + SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_2_07)); + threads = sysconf(_SC_NPROCESSORS_ONLN) * THREAD_FACTOR; tids = malloc(threads * sizeof(pthread_t)); FAIL_IF(!tids); |