Currently, CAT test is limited to Intel architectures.
Add cache cleaning and enable result checking for Arm architectures.

Signed-off-by: Shaopeng Tan <[email protected]>
---
 tools/testing/selftests/resctrl/cat_test.c | 2 +-
 tools/testing/selftests/resctrl/fill_buf.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/resctrl/cat_test.c 
b/tools/testing/selftests/resctrl/cat_test.c
index e1b30ab4cef5..58b1590695d1 100644
--- a/tools/testing/selftests/resctrl/cat_test.c
+++ b/tools/testing/selftests/resctrl/cat_test.c
@@ -113,7 +113,7 @@ static int check_results(struct resctrl_val_param *param, 
const char *cache_type
                ret = show_results_info(sum_llc_perf_miss, bits,
                                        alloc_size / 64,
                                        MIN_DIFF_PERCENT_PER_BIT * (bits - 1),
-                                       runs, get_vendor() == ARCH_INTEL,
+                                       runs, (get_vendor() == ARCH_INTEL || 
get_vendor() == ARCH_ARM),
                                        &prev_avg_llc_val);
                if (ret)
                        fail = 1;
diff --git a/tools/testing/selftests/resctrl/fill_buf.c 
b/tools/testing/selftests/resctrl/fill_buf.c
index 19a01a52dc1a..dbbf80d22f42 100644
--- a/tools/testing/selftests/resctrl/fill_buf.c
+++ b/tools/testing/selftests/resctrl/fill_buf.c
@@ -35,6 +35,10 @@ static void cl_flush(void *p)
 #if defined(__i386) || defined(__x86_64)
        asm volatile("clflush (%0)\n\t"
                     : : "r"(p) : "memory");
+#elif defined(__aarch64__)
+       __asm__ __volatile__("dc civac, %0\n\t"
+                    : : "r" (p) : "memory");
+
 #endif
 }
 
-- 
2.47.3


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