diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-02-13 22:02:32 -0800 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-02-13 22:02:32 -0800 |
| commit | ac98695d6c1508b724f246f38ce57fb4e3cec356 (patch) | |
| tree | 189969a3689b9b83eaf39314a7942cc781ff836b /drivers/infiniband/hw/mthca/mthca_provider.c | |
| parent | d9bc125caf592b7d081021f32ce5b717efdf70c8 (diff) | |
| parent | 93bbad8fe13a25dcf7f3bc628a71d1a7642ae61b (diff) | |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_provider.c')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 7b96751695e..0725ad7ad9b 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -1015,6 +1015,7 @@ static struct ib_mr *mthca_reg_user_mr(struct ib_pd *pd, struct ib_umem *region, int shift, n, len; int i, j, k; int err = 0; + int write_mtt_size; shift = ffs(region->page_size) - 1; @@ -1040,6 +1041,8 @@ static struct ib_mr *mthca_reg_user_mr(struct ib_pd *pd, struct ib_umem *region, i = n = 0; + write_mtt_size = min(mthca_write_mtt_size(dev), (int) (PAGE_SIZE / sizeof *pages)); + list_for_each_entry(chunk, ®ion->chunk_list, list) for (j = 0; j < chunk->nmap; ++j) { len = sg_dma_len(&chunk->page_list[j]) >> shift; @@ -1047,14 +1050,11 @@ static struct ib_mr *mthca_reg_user_mr(struct ib_pd *pd, struct ib_umem *region, pages[i++] = sg_dma_address(&chunk->page_list[j]) + region->page_size * k; /* - * Be friendly to WRITE_MTT command - * and leave two empty slots for the - * index and reserved fields of the - * mailbox. + * Be friendly to write_mtt and pass it chunks + * of appropriate size. */ - if (i == PAGE_SIZE / sizeof (u64) - 2) { - err = mthca_write_mtt(dev, mr->mtt, - n, pages, i); + if (i == write_mtt_size) { + err = mthca_write_mtt(dev, mr->mtt, n, pages, i); if (err) goto mtt_done; n += i; |