The patch titled
IB/ipath: ignore receive queue size if SRQ is specified
has been removed from the -mm tree. Its filename is
ib-ipath-ignore-receive-queue-size-if-srq-is.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: IB/ipath: ignore receive queue size if SRQ is specified
From: "Bryan O'Sullivan" <bos@xxxxxxxxxxxxx>
The receive work queue size should be ignored if the QP is created to use a
shared receive queue according to the IB spec.
Signed-off-by: Ralph Campbell <ralph.campbell@xxxxxxxxxx>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@xxxxxxxxxx>
Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxxxxxx>
Cc: Roland Dreier <rolandd@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/infiniband/hw/ipath/ipath_qp.c | 27 +++++++++++++----------
1 file changed, 16 insertions(+), 11 deletions(-)
diff -puN drivers/infiniband/hw/ipath/ipath_qp.c~ib-ipath-ignore-receive-queue-size-if-srq-is drivers/infiniband/hw/ipath/ipath_qp.c
--- a/drivers/infiniband/hw/ipath/ipath_qp.c~ib-ipath-ignore-receive-queue-size-if-srq-is
+++ a/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -685,16 +685,22 @@ struct ib_qp *ipath_create_qp(struct ib_
ret = ERR_PTR(-ENOMEM);
goto bail;
}
- qp->r_rq.size = init_attr->cap.max_recv_wr + 1;
- sz = sizeof(struct ipath_sge) *
- init_attr->cap.max_recv_sge +
- sizeof(struct ipath_rwqe);
- qp->r_rq.wq = vmalloc(qp->r_rq.size * sz);
- if (!qp->r_rq.wq) {
- kfree(qp);
- vfree(swq);
- ret = ERR_PTR(-ENOMEM);
- goto bail;
+ if (init_attr->srq) {
+ qp->r_rq.size = 0;
+ qp->r_rq.max_sge = 0;
+ qp->r_rq.wq = NULL;
+ } else {
+ qp->r_rq.size = init_attr->cap.max_recv_wr + 1;
+ qp->r_rq.max_sge = init_attr->cap.max_recv_sge;
+ sz = (sizeof(struct ipath_sge) * qp->r_rq.max_sge) +
+ sizeof(struct ipath_rwqe);
+ qp->r_rq.wq = vmalloc(qp->r_rq.size * sz);
+ if (!qp->r_rq.wq) {
+ kfree(qp);
+ vfree(swq);
+ ret = ERR_PTR(-ENOMEM);
+ goto bail;
+ }
}
/*
@@ -713,7 +719,6 @@ struct ib_qp *ipath_create_qp(struct ib_
qp->s_wq = swq;
qp->s_size = init_attr->cap.max_send_wr + 1;
qp->s_max_sge = init_attr->cap.max_send_sge;
- qp->r_rq.max_sge = init_attr->cap.max_recv_sge;
qp->s_flags = init_attr->sq_sig_type == IB_SIGNAL_REQ_WR ?
1 << IPATH_S_SIGNAL_REQ_WR : 0;
dev = to_idev(ibpd->device);
_
Patches currently in -mm which might be from bos@xxxxxxxxxxxxx are
origin.patch
ib-ipath-fixes-a-bug-where-our-delay-for-eeprom-no.patch
-
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