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HFI1: working but a bit slow

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This commit is contained in:
Balazs Gerofi
2017-08-16 17:06:52 +09:00
parent 7f03c18d4d
commit 39deff4e10
4 changed files with 41 additions and 21 deletions
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6
kernel/sdma.c
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@@ -2535,7 +2535,7 @@ int sdma_send_txlist(struct sdma_engine *sde, struct iowait_work *wait,
u32 submit_count = 0, flush_count = 0, total_count;
TP("+");
hfi1_cdbg(AIOWRITE, "+");
// spin_lock_irqsave(&sde->tail_lock, flags);
spin_lock_irqsave(&sde->tail_lock, flags);
retry:
list_for_each_entry_safe(tx, tx_next, tx_list, list) {
tx->wait = iowait_ioww_to_iow(wait);
@@ -2559,13 +2559,11 @@ retry:
update_tail:
TP("+ update_tail:");
total_count = submit_count + flush_count;
#ifdef __HFI1_ORIG__
if (wait)
iowait_sdma_add(iowait_ioww_to_iow(wait), total_count);
#endif /* __HFI1_ORIG__ */
if (tail != INVALID_TAIL)
sdma_update_tail(sde, tail);
// spin_unlock_irqrestore(&sde->tail_lock, flags);
spin_unlock_irqrestore(&sde->tail_lock, flags);
*count_out = total_count;
hfi1_cdbg(AIOWRITE, "-");
TP("-");