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authorIngo Molnar <mingo@kernel.org>2016-07-27 12:35:35 +0200
committerIngo Molnar <mingo@kernel.org>2016-07-27 12:35:35 +0200
commitdf15929f8f5c69e987c31bf016eca4a38dba46f0 (patch)
treecfb5fe5e8ebff4cabd70557a304f355546943cc9 /lib/atomic64_test.c
parentefaad554b4ffae1840a2759e09e21325ddbc8b05 (diff)
parent37e13a1ebe32c4fbfbdb5413f42eb6e71d8b28a4 (diff)
Merge branch 'linus' into x86/microcode, to pick up merge window changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/atomic64_test.c')
-rw-r--r--lib/atomic64_test.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c
index 123481814320..dbb369145dda 100644
--- a/lib/atomic64_test.c
+++ b/lib/atomic64_test.c
@@ -53,11 +53,25 @@ do { \
BUG_ON(atomic##bit##_read(&v) != r); \
} while (0)
+#define TEST_FETCH(bit, op, c_op, val) \
+do { \
+ atomic##bit##_set(&v, v0); \
+ r = v0; \
+ r c_op val; \
+ BUG_ON(atomic##bit##_##op(val, &v) != v0); \
+ BUG_ON(atomic##bit##_read(&v) != r); \
+} while (0)
+
#define RETURN_FAMILY_TEST(bit, op, c_op, val) \
do { \
FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \
} while (0)
+#define FETCH_FAMILY_TEST(bit, op, c_op, val) \
+do { \
+ FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \
+} while (0)
+
#define TEST_ARGS(bit, op, init, ret, expect, args...) \
do { \
atomic##bit##_set(&v, init); \
@@ -114,6 +128,16 @@ static __init void test_atomic(void)
RETURN_FAMILY_TEST(, sub_return, -=, onestwos);
RETURN_FAMILY_TEST(, sub_return, -=, -one);
+ FETCH_FAMILY_TEST(, fetch_add, +=, onestwos);
+ FETCH_FAMILY_TEST(, fetch_add, +=, -one);
+ FETCH_FAMILY_TEST(, fetch_sub, -=, onestwos);
+ FETCH_FAMILY_TEST(, fetch_sub, -=, -one);
+
+ FETCH_FAMILY_TEST(, fetch_or, |=, v1);
+ FETCH_FAMILY_TEST(, fetch_and, &=, v1);
+ FETCH_FAMILY_TEST(, fetch_andnot, &= ~, v1);
+ FETCH_FAMILY_TEST(, fetch_xor, ^=, v1);
+
INC_RETURN_FAMILY_TEST(, v0);
DEC_RETURN_FAMILY_TEST(, v0);
@@ -154,6 +178,16 @@ static __init void test_atomic64(void)
RETURN_FAMILY_TEST(64, sub_return, -=, onestwos);
RETURN_FAMILY_TEST(64, sub_return, -=, -one);
+ FETCH_FAMILY_TEST(64, fetch_add, +=, onestwos);
+ FETCH_FAMILY_TEST(64, fetch_add, +=, -one);
+ FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos);
+ FETCH_FAMILY_TEST(64, fetch_sub, -=, -one);
+
+ FETCH_FAMILY_TEST(64, fetch_or, |=, v1);
+ FETCH_FAMILY_TEST(64, fetch_and, &=, v1);
+ FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1);
+ FETCH_FAMILY_TEST(64, fetch_xor, ^=, v1);
+
INIT(v0);
atomic64_inc(&v);
r += one;