From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/drivers/infiniband/hw/qib/qib_keys.c | 41 +++++++++++++++-------------- 1 file changed, 21 insertions(+), 20 deletions(-) (limited to 'kernel/drivers/infiniband/hw/qib/qib_keys.c') diff --git a/kernel/drivers/infiniband/hw/qib/qib_keys.c b/kernel/drivers/infiniband/hw/qib/qib_keys.c index 5afaa2185..d725c5655 100644 --- a/kernel/drivers/infiniband/hw/qib/qib_keys.c +++ b/kernel/drivers/infiniband/hw/qib/qib_keys.c @@ -336,14 +336,15 @@ bail: } /* - * Initialize the memory region specified by the work reqeust. + * Initialize the memory region specified by the work request. */ -int qib_fast_reg_mr(struct qib_qp *qp, struct ib_send_wr *wr) +int qib_reg_mr(struct qib_qp *qp, struct ib_reg_wr *wr) { struct qib_lkey_table *rkt = &to_idev(qp->ibqp.device)->lk_table; struct qib_pd *pd = to_ipd(qp->ibqp.pd); - struct qib_mregion *mr; - u32 rkey = wr->wr.fast_reg.rkey; + struct qib_mr *mr = to_imr(wr->mr); + struct qib_mregion *mrg; + u32 key = wr->key; unsigned i, n, m; int ret = -EINVAL; unsigned long flags; @@ -351,33 +352,33 @@ int qib_fast_reg_mr(struct qib_qp *qp, struct ib_send_wr *wr) size_t ps; spin_lock_irqsave(&rkt->lock, flags); - if (pd->user || rkey == 0) + if (pd->user || key == 0) goto bail; - mr = rcu_dereference_protected( - rkt->table[(rkey >> (32 - ib_qib_lkey_table_size))], + mrg = rcu_dereference_protected( + rkt->table[(key >> (32 - ib_qib_lkey_table_size))], lockdep_is_held(&rkt->lock)); - if (unlikely(mr == NULL || qp->ibqp.pd != mr->pd)) + if (unlikely(mrg == NULL || qp->ibqp.pd != mrg->pd)) goto bail; - if (wr->wr.fast_reg.page_list_len > mr->max_segs) + if (mr->npages > mrg->max_segs) goto bail; - ps = 1UL << wr->wr.fast_reg.page_shift; - if (wr->wr.fast_reg.length > ps * wr->wr.fast_reg.page_list_len) + ps = mr->ibmr.page_size; + if (mr->ibmr.length > ps * mr->npages) goto bail; - mr->user_base = wr->wr.fast_reg.iova_start; - mr->iova = wr->wr.fast_reg.iova_start; - mr->lkey = rkey; - mr->length = wr->wr.fast_reg.length; - mr->access_flags = wr->wr.fast_reg.access_flags; - page_list = wr->wr.fast_reg.page_list->page_list; + mrg->user_base = mr->ibmr.iova; + mrg->iova = mr->ibmr.iova; + mrg->lkey = key; + mrg->length = mr->ibmr.length; + mrg->access_flags = wr->access; + page_list = mr->pages; m = 0; n = 0; - for (i = 0; i < wr->wr.fast_reg.page_list_len; i++) { - mr->map[m]->segs[n].vaddr = (void *) page_list[i]; - mr->map[m]->segs[n].length = ps; + for (i = 0; i < mr->npages; i++) { + mrg->map[m]->segs[n].vaddr = (void *) page_list[i]; + mrg->map[m]->segs[n].length = ps; if (++n == QIB_SEGSZ) { m++; n = 0; -- cgit 1.2.3-korg