diff options
Diffstat (limited to 'drivers/ntb')
| -rw-r--r-- | drivers/ntb/test/ntb_perf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 4368519da102..5008ccf600a9 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -273,6 +273,7 @@ static int perf_move_data(struct pthr_ctx *pctx, char __iomem *dst, char *src, char __iomem *tmp = dst; u64 perf, diff_us; ktime_t kstart, kstop, kdiff; + unsigned long last_sleep = jiffies; chunks = div64_u64(win_size, buf_size); total_chunks = div64_u64(total, buf_size); @@ -288,8 +289,9 @@ static int perf_move_data(struct pthr_ctx *pctx, char __iomem *dst, char *src, } else tmp += buf_size; - /* Probably should schedule every 4GB to prevent soft hang. */ - if (((copied % SZ_4G) == 0) && !use_dma) { + /* Probably should schedule every 5s to prevent soft hang. */ + if (unlikely((jiffies - last_sleep) > 5 * HZ)) { + last_sleep = jiffies; set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(1); } |