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| author | Sandipan Das <sandipan@linux.ibm.com> | 2020-06-04 15:56:09 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-06-30 07:37:51 +0300 |
| commit | c405b738daf9d8e8a5aedfeb6be851681e65e54b (patch) | |
| tree | 7b11e0c1a8b834a93bc1ca900d881f3852f79a78 /tools/testing/selftests/powerpc/mm | |
| parent | 828ca4320d130bbe1d12866152600c49ff6a9f79 (diff) | |
| download | linux-c405b738daf9d8e8a5aedfeb6be851681e65e54b.tar.xz | |
selftests/powerpc: Move Hash MMU check to utilities
This moves a function to test if the MMU is in Hash mode
under the generic test utilities.
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200604125610.649668-3-sandipan@linux.ibm.com
Diffstat (limited to 'tools/testing/selftests/powerpc/mm')
| -rw-r--r-- | tools/testing/selftests/powerpc/mm/Makefile | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/powerpc/mm/bad_accesses.c | 28 |
2 files changed, 1 insertions, 29 deletions
diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile index b9103c4bb414..2389bf791fd6 100644 --- a/tools/testing/selftests/powerpc/mm/Makefile +++ b/tools/testing/selftests/powerpc/mm/Makefile @@ -10,7 +10,7 @@ TEST_GEN_FILES := tempfile top_srcdir = ../../../../.. include ../../lib.mk -$(TEST_GEN_PROGS): ../harness.c +$(TEST_GEN_PROGS): ../harness.c ../utils.c $(OUTPUT)/prot_sao: ../utils.c diff --git a/tools/testing/selftests/powerpc/mm/bad_accesses.c b/tools/testing/selftests/powerpc/mm/bad_accesses.c index adc465f499ef..a864ed7e2008 100644 --- a/tools/testing/selftests/powerpc/mm/bad_accesses.c +++ b/tools/testing/selftests/powerpc/mm/bad_accesses.c @@ -64,34 +64,6 @@ int bad_access(char *p, bool write) return 0; } -static int using_hash_mmu(bool *using_hash) -{ - char line[128]; - FILE *f; - int rc; - - f = fopen("/proc/cpuinfo", "r"); - FAIL_IF(!f); - - rc = 0; - while (fgets(line, sizeof(line), f) != NULL) { - if (strcmp(line, "MMU : Hash\n") == 0) { - *using_hash = true; - goto out; - } - - if (strcmp(line, "MMU : Radix\n") == 0) { - *using_hash = false; - goto out; - } - } - - rc = -1; -out: - fclose(f); - return rc; -} - static int test(void) { unsigned long i, j, addr, region_shift, page_shift, page_size; |