diff options
Diffstat (limited to 'tools/testing/cxl/test/mem.c')
| -rw-r--r-- | tools/testing/cxl/test/mem.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index d533481672b7..176dcde570cd 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -250,22 +250,21 @@ static void mes_add_event(struct mock_event_store *mes, * Vary the number of events returned to simulate events occuring while the * logs are being read. */ -static int ret_limit = 0; +static atomic_t event_counter = ATOMIC_INIT(0); static int mock_get_event(struct device *dev, struct cxl_mbox_cmd *cmd) { struct cxl_get_event_payload *pl; struct mock_event_log *log; - u16 nr_overflow; + int ret_limit; u8 log_type; int i; if (cmd->size_in != sizeof(log_type)) return -EINVAL; - ret_limit = (ret_limit + 1) % CXL_TEST_EVENT_RET_MAX; - if (!ret_limit) - ret_limit = 1; + /* Vary return limit from 1 to CXL_TEST_EVENT_RET_MAX */ + ret_limit = (atomic_inc_return(&event_counter) % CXL_TEST_EVENT_RET_MAX) + 1; if (cmd->size_out < struct_size(pl, records, ret_limit)) return -EINVAL; @@ -299,7 +298,7 @@ static int mock_get_event(struct device *dev, struct cxl_mbox_cmd *cmd) u64 ns; pl->flags |= CXL_GET_EVENT_FLAG_OVERFLOW; - pl->overflow_err_count = cpu_to_le16(nr_overflow); + pl->overflow_err_count = cpu_to_le16(log->nr_overflow); ns = ktime_get_real_ns(); ns -= 5000000000; /* 5s ago */ pl->first_overflow_timestamp = cpu_to_le64(ns); |