x86: provide an init_mem_mapping hypervisor hook

[karo-tx-linux.git] / lib / test_bitmap.c

diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index e2cbd43d193cff9de5e92f5a7e85fd9f53790210..2526a2975c51bc24e329bdd542b3dd2b0ebfbdec 100644 (file)
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -333,10 +333,39 @@ static void __init test_bitmap_u32_array_conversions(void)
        }
 }
 
+static void noinline __init test_mem_optimisations(void)
+{
+       DECLARE_BITMAP(bmap1, 1024);
+       DECLARE_BITMAP(bmap2, 1024);
+       unsigned int start, nbits;
+
+       for (start = 0; start < 1024; start += 8) {
+               memset(bmap1, 0x5a, sizeof(bmap1));
+               memset(bmap2, 0x5a, sizeof(bmap2));
+               for (nbits = 0; nbits < 1024 - start; nbits += 8) {
+                       bitmap_set(bmap1, start, nbits);
+                       __bitmap_set(bmap2, start, nbits);
+                       if (!bitmap_equal(bmap1, bmap2, 1024))
+                               printk("set not equal %d %d\n", start, nbits);
+                       if (!__bitmap_equal(bmap1, bmap2, 1024))
+                               printk("set not __equal %d %d\n", start, nbits);
+
+                       bitmap_clear(bmap1, start, nbits);
+                       __bitmap_clear(bmap2, start, nbits);
+                       if (!bitmap_equal(bmap1, bmap2, 1024))
+                               printk("clear not equal %d %d\n", start, nbits);
+                       if (!__bitmap_equal(bmap1, bmap2, 1024))
+                               printk("clear not __equal %d %d\n", start,
+                                                                       nbits);
+               }
+       }
+}
+
 static int __init test_bitmap_init(void)
 {
        test_zero_fill_copy();
        test_bitmap_u32_array_conversions();
+       test_mem_optimisations();
 
        if (failed_tests == 0)
                pr_info("all %u tests passed\n", total_tests);