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selftests/vm: skip 128TBswitch on unsupported arch

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The test va_128TBswitch.c exercises a feature only supported on PPC and
x86_64, but it's run on other 64-bit archs as well.  Before this patch,
the test did nothing and returned 0 for KSFT_PASS.  This patch makes it
return the KSFT codes from kselftest.h, including KSFT_SKIP when
appropriate.

Verified on arm64 and x86_64.

Link: https://lkml.kernel.org/r/20220704123813.427625-1-adam@wowsignal.io
Signed-off-by: Adam Sindelar <adam@wowsignal.io>
Cc: David Vernet <void@manifault.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Adam Sindelar 2022-07-04 14:38:13 +02:00 committed by akpm
parent 3b8e7f5c42
commit ac3ced5fc1
1 changed files with 4 additions and 4 deletions
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8
tools/testing/selftests/vm/va_128TBswitch.c
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@ -231,7 +231,7 @@ static struct testcase hugetlb_testcases[] = {
static int run_test(struct testcase *test, int count)
{
void *p;
int i, ret = 0;
int i, ret = KSFT_PASS;
for (i = 0; i < count; i++) {
struct testcase *t = test + i;
@ -242,13 +242,13 @@ static int run_test(struct testcase *test, int count)
if (p == MAP_FAILED) {
printf("FAILED\n");
ret = 1;
ret = KSFT_FAIL;
continue;
}
if (t->low_addr_required && p >= (void *)(ADDR_SWITCH_HINT)) {
printf("FAILED\n");
ret = 1;
ret = KSFT_FAIL;
} else {
/*
* Do a dereference of the address returned so that we catch
@ -280,7 +280,7 @@ int main(int argc, char **argv)
int ret;
if (!supported_arch())
return 0;
return KSFT_SKIP;
ret = run_test(testcases, ARRAY_SIZE(testcases));
if (argc == 2 && !strcmp(argv[1], "--run-hugetlb"))