From 54158bb713cd22efe7d6c7e0be6e5b28e92ec1fd Mon Sep 17 00:00:00 2001 From: Sven-Thorsten Dietrich Date: Fri, 3 Jul 2009 08:30:35 -0500 Subject: [PATCH 083/287] infiniband: Mellanox IB driver patch use _nort() primitives Fixes in_atomic stack-dump, when Mellanox module is loaded into the RT Kernel. Michael S. Tsirkin sayeth: "Basically, if you just make spin_lock_irqsave (and spin_lock_irq) not disable interrupts for non-raw spinlocks, I think all of infiniband will be fine without changes." Signed-off-by: Sven-Thorsten Dietrich Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 80799c0..014589a8 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -800,7 +800,7 @@ void ipoib_mcast_restart_task(struct work_struct *work) ipoib_mcast_stop_thread(dev, 0); - local_irq_save(flags); + local_irq_save_nort(flags); netif_addr_lock(dev); spin_lock(&priv->lock); @@ -882,7 +882,7 @@ void ipoib_mcast_restart_task(struct work_struct *work) spin_unlock(&priv->lock); netif_addr_unlock(dev); - local_irq_restore(flags); + local_irq_restore_nort(flags); /* We have to cancel outside of the spinlock */ list_for_each_entry_safe(mcast, tmcast, &remove_list, list) {