From: Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>
To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 1/2] iommu/amd: Add missing spin_lock initialization
Date: Thu, 19 Jul 2012 13:45:20 +0200 [thread overview]
Message-ID: <1342698321-21720-1-git-send-email-joerg.roedel@amd.com> (raw)
Add missing spin_lock initialization in
amd_iommu_bind_pasid() function and make lockdep happy
again.
Cc: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org # >= v3.3
Signed-off-by: Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>
---
drivers/iommu/amd_iommu_v2.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 036fe9b..a1f1bc8 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -681,6 +681,8 @@ int amd_iommu_bind_pasid(struct pci_dev *pdev, int pasid,
atomic_set(&pasid_state->count, 1);
init_waitqueue_head(&pasid_state->wq);
+ spin_lock_init(&pasid_state->lock);
+
pasid_state->task = task;
pasid_state->mm = get_task_mm(task);
pasid_state->device_state = dev_state;
--
1.7.9.5
next reply other threads:[~2012-07-19 11:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-19 11:45 Joerg Roedel [this message]
[not found] ` <1342698321-21720-1-git-send-email-joerg.roedel-5C7GfCeVMHo@public.gmane.org>
2012-07-19 11:45 ` [PATCH 2/2] iommu/amd: Fix hotplug with iommu=pt Joerg Roedel
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