diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/powerpc/mm/prot_sao.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/testing/selftests/powerpc/mm/prot_sao.c b/tools/testing/selftests/powerpc/mm/prot_sao.c index e2eed65b7735..30b71b1d78d5 100644 --- a/tools/testing/selftests/powerpc/mm/prot_sao.c +++ b/tools/testing/selftests/powerpc/mm/prot_sao.c @@ -7,6 +7,7 @@ #include <stdlib.h> #include <string.h> #include <sys/mman.h> +#include <unistd.h> #include <asm/cputable.h> @@ -18,8 +19,13 @@ int test_prot_sao(void) { char *p; - /* 2.06 or later should support SAO */ - SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06)); + /* + * SAO was introduced in 2.06 and removed in 3.1. It's disabled in + * guests/LPARs by default, so also skip if we are running in a guest. + */ + SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06) || + have_hwcap2(PPC_FEATURE2_ARCH_3_1) || + access("/proc/device-tree/rtas/ibm,hypertas-functions", F_OK) == 0); /* * Ensure we can ask for PROT_SAO. |