Linus, please pull from
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git for-linus
This tree is also available from kernel.org mirrors at:
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git
for-linus
This will pull some fixes for 2.6.24:
Anton Blanchard (1):
IB/fmr_pool: Stop ib_fmr threads from contributing to load average
Dave Olson (1):
IB/ipath: Fix incorrect use of sizeof on msg buffer (function argument)
Michael Albaugh (1):
IB/ipath: Limit length checksummed in eeprom
Ralph Campbell (1):
IB/ipath: Fix a race where s_last is updated without lock held
Roland Dreier (2):
IPoIB/cm: Fix receive QP cleanup
IB/mlx4: Lock SQ lock in mlx4_ib_post_send()
drivers/infiniband/core/fmr_pool.c | 8 ++++----
drivers/infiniband/hw/ipath/ipath_eeprom.c | 10 +++++++++-
drivers/infiniband/hw/ipath/ipath_intr.c | 18 +++++++++---------
drivers/infiniband/hw/ipath/ipath_ruc.c | 14 +++++++++-----
drivers/infiniband/hw/mlx4/qp.c | 4 ++--
drivers/infiniband/ulp/ipoib/ipoib_cm.c | 2 +-
6 files changed, 34 insertions(+), 22 deletions(-)
diff --git a/drivers/infiniband/core/fmr_pool.c
b/drivers/infiniband/core/fmr_pool.c
index d7f6452..e8d5f6b 100644
--- a/drivers/infiniband/core/fmr_pool.c
+++ b/drivers/infiniband/core/fmr_pool.c
@@ -291,10 +291,10 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd
*pd,
atomic_set(&pool->flush_ser, 0);
init_waitqueue_head(&pool->force_wait);
- pool->thread = kthread_create(ib_fmr_cleanup_thread,
- pool,
- "ib_fmr(%s)",
- device->name);
+ pool->thread = kthread_run(ib_fmr_cleanup_thread,
+ pool,
+ "ib_fmr(%s)",
+ device->name);
if (IS_ERR(pool->thread)) {
printk(KERN_WARNING PFX "couldn't start cleanup thread\n");
ret = PTR_ERR(pool->thread);
diff --git a/drivers/infiniband/hw/ipath/ipath_eeprom.c
b/drivers/infiniband/hw/ipath/ipath_eeprom.c
index bcfa3cc..e7c25db 100644
--- a/drivers/infiniband/hw/ipath/ipath_eeprom.c
+++ b/drivers/infiniband/hw/ipath/ipath_eeprom.c
@@ -538,7 +538,15 @@ static u8 flash_csum(struct ipath_flash *ifp, int adjust)
u8 *ip = (u8 *) ifp;
u8 csum = 0, len;
- for (len = 0; len < ifp->if_length; len++)
+ /*
+ * Limit length checksummed to max length of actual data.
+ * Checksum of erased eeprom will still be bad, but we avoid
+ * reading past the end of the buffer we were passed.
+ */
+ len = ifp->if_length;
+ if (len > sizeof(struct ipath_flash))
+ len = sizeof(struct ipath_flash);
+ while (len--)
csum += *ip++;
csum -= ifp->if_csum;
csum = ~csum;
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c
b/drivers/infiniband/hw/ipath/ipath_intr.c
index 6a5dd5c..c61f9da 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -453,7 +453,7 @@ skip_ibchange:
}
static void handle_supp_msgs(struct ipath_devdata *dd,
- unsigned supp_msgs, char msg[512])
+ unsigned supp_msgs, char *msg, int msgsz)
{
/*
* Print the message unless it's ibc status change only, which
@@ -461,9 +461,9 @@ static void handle_supp_msgs(struct ipath_devdata *dd,
*/
if (dd->ipath_lasterror & ~INFINIPATH_E_IBSTATUSCHANGED) {
int iserr;
- iserr = ipath_decode_err(msg, sizeof msg,
- dd->ipath_lasterror &
- ~INFINIPATH_E_IBSTATUSCHANGED);
+ iserr = ipath_decode_err(msg, msgsz,
+ dd->ipath_lasterror &
+ ~INFINIPATH_E_IBSTATUSCHANGED);
if (dd->ipath_lasterror &
~(INFINIPATH_E_RRCVEGRFULL |
INFINIPATH_E_RRCVHDRFULL | INFINIPATH_E_PKTERRS))
@@ -492,8 +492,8 @@ static void handle_supp_msgs(struct ipath_devdata *dd,
}
static unsigned handle_frequent_errors(struct ipath_devdata *dd,
- ipath_err_t errs, char msg[512],
- int *noprint)
+ ipath_err_t errs, char *msg,
+ int msgsz, int *noprint)
{
unsigned long nc;
static unsigned long nextmsg_time;
@@ -512,7 +512,7 @@ static unsigned handle_frequent_errors(struct ipath_devdata
*dd,
nextmsg_time = nc + HZ * 3;
}
else if (supp_msgs) {
- handle_supp_msgs(dd, supp_msgs, msg);
+ handle_supp_msgs(dd, supp_msgs, msg, msgsz);
supp_msgs = 0;
nmsgs = 0;
}
@@ -525,14 +525,14 @@ static unsigned handle_frequent_errors(struct
ipath_devdata *dd,
static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
{
- char msg[512];
+ char msg[128];
u64 ignore_this_time = 0;
int i, iserr = 0;
int chkerrpkts = 0, noprint = 0;
unsigned supp_msgs;
int log_idx;
- supp_msgs = handle_frequent_errors(dd, errs, msg, &noprint);
+ supp_msgs = handle_frequent_errors(dd, errs, msg, sizeof msg, &noprint);
/* don't report errors that are masked */
errs &= ~dd->ipath_maskederrs;
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c
b/drivers/infiniband/hw/ipath/ipath_ruc.c
index 4b6b7ee..54c61a9 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -630,11 +630,8 @@ bail:;
void ipath_send_complete(struct ipath_qp *qp, struct ipath_swqe *wqe,
enum ib_wc_status status)
{
- u32 last = qp->s_last;
-
- if (++last == qp->s_size)
- last = 0;
- qp->s_last = last;
+ unsigned long flags;
+ u32 last;
/* See ch. 11.2.4.1 and 10.7.3.1 */
if (!(qp->s_flags & IPATH_S_SIGNAL_REQ_WR) ||
@@ -658,4 +655,11 @@ void ipath_send_complete(struct ipath_qp *qp, struct
ipath_swqe *wqe,
wc.port_num = 0;
ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 0);
}
+
+ spin_lock_irqsave(&qp->s_lock, flags);
+ last = qp->s_last;
+ if (++last >= qp->s_size)
+ last = 0;
+ qp->s_last = last;
+ spin_unlock_irqrestore(&qp->s_lock, flags);
}
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 6b33224..8cba9c5 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1282,7 +1282,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct
ib_send_wr *wr,
int size;
int i;
- spin_lock_irqsave(&qp->rq.lock, flags);
+ spin_lock_irqsave(&qp->sq.lock, flags);
ind = qp->sq.head;
@@ -1448,7 +1448,7 @@ out:
(qp->sq.wqe_cnt - 1));
}
- spin_unlock_irqrestore(&qp->rq.lock, flags);
+ spin_unlock_irqrestore(&qp->sq.lock, flags);
return err;
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 8761077..059cf92 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -60,7 +60,7 @@ static struct ib_qp_attr ipoib_cm_err_attr = {
.qp_state = IB_QPS_ERR
};
-#define IPOIB_CM_RX_DRAIN_WRID 0x7fffffff
+#define IPOIB_CM_RX_DRAIN_WRID 0xffffffff
static struct ib_send_wr ipoib_cm_rx_drain_wr = {
.wr_id = IPOIB_CM_RX_DRAIN_WRID,
-
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