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| author | Mike Marciniszyn <mike.marciniszyn@intel.com> | 2012-05-07 14:02:31 -0400 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2012-05-14 12:43:34 -0700 |
| commit | 1c94283ddbe8a9945c4aaac8b0be90d47f97f2df (patch) | |
| tree | 37d46ea239d1e872007bd0dc93b2a3d40311afa8 /drivers/infiniband/hw/qib/qib_ruc.c | |
| parent | 3236b2d469dba42fde837b8cb06308f7f360dfed (diff) | |
| download | blackbird-op-linux-1c94283ddbe8a9945c4aaac8b0be90d47f97f2df.tar.gz blackbird-op-linux-1c94283ddbe8a9945c4aaac8b0be90d47f97f2df.zip | |
IB/qib: Add cache line awareness to qib_qp and qib_devdata structures
This patch reorganizes the QP and devdata files to be more cache line aware.
qib_qp fields in particular are split into read-mostly, send, and receive fields.
qib_devdata fields are split into read-mostly and read/write fields
Testing has show that bidirectional tests improve by as much as 100%
with this patch.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_ruc.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_ruc.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/qib/qib_ruc.c b/drivers/infiniband/hw/qib/qib_ruc.c index b4b37e47321a..c0ee7e095d81 100644 --- a/drivers/infiniband/hw/qib/qib_ruc.c +++ b/drivers/infiniband/hw/qib/qib_ruc.c @@ -688,17 +688,17 @@ void qib_make_ruc_header(struct qib_qp *qp, struct qib_other_headers *ohdr, nwords = (qp->s_cur_size + extra_bytes) >> 2; lrh0 = QIB_LRH_BTH; if (unlikely(qp->remote_ah_attr.ah_flags & IB_AH_GRH)) { - qp->s_hdrwords += qib_make_grh(ibp, &qp->s_hdr.u.l.grh, + qp->s_hdrwords += qib_make_grh(ibp, &qp->s_hdr->u.l.grh, &qp->remote_ah_attr.grh, qp->s_hdrwords, nwords); lrh0 = QIB_LRH_GRH; } lrh0 |= ibp->sl_to_vl[qp->remote_ah_attr.sl] << 12 | qp->remote_ah_attr.sl << 4; - qp->s_hdr.lrh[0] = cpu_to_be16(lrh0); - qp->s_hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid); - qp->s_hdr.lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords + SIZE_OF_CRC); - qp->s_hdr.lrh[3] = cpu_to_be16(ppd_from_ibp(ibp)->lid | + qp->s_hdr->lrh[0] = cpu_to_be16(lrh0); + qp->s_hdr->lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid); + qp->s_hdr->lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords + SIZE_OF_CRC); + qp->s_hdr->lrh[3] = cpu_to_be16(ppd_from_ibp(ibp)->lid | qp->remote_ah_attr.src_path_bits); bth0 |= qib_get_pkey(ibp, qp->s_pkey_index); bth0 |= extra_bytes << 20; @@ -758,7 +758,7 @@ void qib_do_send(struct work_struct *work) * If the packet cannot be sent now, return and * the send tasklet will be woken up later. */ - if (qib_verbs_send(qp, &qp->s_hdr, qp->s_hdrwords, + if (qib_verbs_send(qp, qp->s_hdr, qp->s_hdrwords, qp->s_cur_sge, qp->s_cur_size)) break; /* Record that s_hdr is empty. */ |
