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hfi1/user_exp_rcv/setup: set length in tidinfo

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This was dropped early on by mistake/excessive haste, it's actually
pretty useful.
This commit is contained in:
Dominique Martinet
2017-09-21 11:57:58 +09:00
committed by Balazs Gerofi
parent 9a36e5d213
commit e99f19e812
1 changed files with 4 additions and 3 deletions
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7
kernel/user_exp_rcv.c
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@ -123,7 +123,7 @@ int hfi1_user_exp_rcv_setup(struct hfi1_filedata *fd, struct hfi1_tid_info *tinf
uintptr_t vaddr = tinfo->vaddr;
u32 tid[20]; /* at most 20 requests with this algorithm */
u16 tididx = 0;
u16 order;
s16 order;
u32 npages;
struct process_vm *vm = cpu_local_var(current)->vm;
size_t base_pgsize;
@ -160,7 +160,7 @@ int hfi1_user_exp_rcv_setup(struct hfi1_filedata *fd, struct hfi1_tid_info *tinf
phys = pte_get_phys(ptep);
for (order = 0; order < 20; order++)
for (order = 19; order >= 0; order--)
{
struct tid_group *grp;
@ -364,7 +364,8 @@ static int program_rcvarray(struct hfi1_filedata *fd, uintptr_t phys,
if (ret)
return ret;
tidinfo = rcventry2tidinfo(rcventry - uctxt->expected_base);
tidinfo = rcventry2tidinfo(rcventry - uctxt->expected_base) |
EXP_TID_SET(LEN, 1 << order);
*ptid = tidinfo;
grp->used++;
grp->map |= 1 << idx++;