selftests/powerpc: Skip L3 bank test on older CPUs

This is a test of specific piece of logic in isa207-common.c, which is
only used on Power8 or later. So skip it on older CPUs.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200819015727.1977134-7-mpe@ellerman.id.au

diff --git a/tools/testing/selftests/powerpc/pmu/l3_bank_test.c b/tools/testing/selftests/powerpc/pmu/l3_bank_test.c
index a96d512a18c4f48f376ca28a3da938f922620fb0..a5dfa9bf3b9f2435815223a7be5f44b148d6f28d 100644 (file)
--- a/tools/testing/selftests/powerpc/pmu/l3_bank_test.c
+++ b/tools/testing/selftests/powerpc/pmu/l3_bank_test.c
@@ -20,6 +20,9 @@ static int l3_bank_test(void)
        char *p;
        int i;
 
+       // The L3 bank logic is only used on Power8 or later
+       SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_2_07));
+
        p = malloc(MALLOC_SIZE);
        FAIL_IF(!p);