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author | Michael Ellerman <mpe@ellerman.id.au> | 2018-07-26 22:24:57 +1000 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-08-07 21:49:25 +1000 |
commit | 95f9b3af401f5b4daeb908a2c658e820e969f4e3 (patch) | |
tree | 625d0c9d15d97876d0d243409249cf9b5edf3080 /tools/testing/selftests/powerpc | |
parent | 7cd129b4b5370030a5c0b8031a54b2d1d92fa546 (diff) | |
download | linux-95f9b3af401f5b4daeb908a2c658e820e969f4e3.tar.bz2 |
selftests/powerpc: Add a helper for checking if we're on ppc64le
Some of our selftests have only been tested on ppc64le and crash or
behave weirdly on ppc64/ppc32. So add a helper for checking the UTS
machine.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'tools/testing/selftests/powerpc')
-rw-r--r-- | tools/testing/selftests/powerpc/include/utils.h | 2 | ||||
-rw-r--r-- | tools/testing/selftests/powerpc/utils.c | 17 |
2 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/include/utils.h b/tools/testing/selftests/powerpc/include/utils.h index 735815b3ad7f..c58c370828b4 100644 --- a/tools/testing/selftests/powerpc/include/utils.h +++ b/tools/testing/selftests/powerpc/include/utils.h @@ -48,6 +48,8 @@ static inline bool have_hwcap2(unsigned long ftr2) } #endif +bool is_ppc64le(void); + /* Yes, this is evil */ #define FAIL_IF(x) \ do { \ diff --git a/tools/testing/selftests/powerpc/utils.c b/tools/testing/selftests/powerpc/utils.c index d46916867a6f..aa8fc1e6365b 100644 --- a/tools/testing/selftests/powerpc/utils.c +++ b/tools/testing/selftests/powerpc/utils.c @@ -11,8 +11,10 @@ #include <link.h> #include <sched.h> #include <stdio.h> +#include <string.h> #include <sys/stat.h> #include <sys/types.h> +#include <sys/utsname.h> #include <unistd.h> #include "utils.h" @@ -104,3 +106,18 @@ int pick_online_cpu(void) printf("No cpus in affinity mask?!\n"); return -1; } + +bool is_ppc64le(void) +{ + struct utsname uts; + int rc; + + errno = 0; + rc = uname(&uts); + if (rc) { + perror("uname"); + return false; + } + + return strcmp(uts.machine, "ppc64le") == 0; +} |