This is a note to let you know that I've just added the patch titled
iommu/amd: Properly initialize irq-table lock
to the 3.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iommu-amd-properly-initialize-irq-table-lock.patch
and it can be found in the queue-3.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 197887f03daecdb3ae21bafeb4155412abad3497 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joro@xxxxxxxxxx>
Date: Tue, 9 Apr 2013 21:14:08 +0200
Subject: iommu/amd: Properly initialize irq-table lock
From: Joerg Roedel <joro@xxxxxxxxxx>
commit 197887f03daecdb3ae21bafeb4155412abad3497 upstream.
Fixes a lockdep warning.
Reviewed-by: Shuah Khan <shuahkhan@xxxxxxxxx>
Signed-off-by: Joerg Roedel <joro@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iommu/amd_iommu.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3948,6 +3948,9 @@ static struct irq_remap_table *get_irq_t
if (!table)
goto out;
+ /* Initialize table spin-lock */
+ spin_lock_init(&table->lock);
+
if (ioapic)
/* Keep the first 32 indexes free for IOAPIC interrupts */
table->min_index = 32;
Patches currently in stable-queue which might be from joro@xxxxxxxxxx are
queue-3.8/iommu-amd-properly-initialize-irq-table-lock.patch
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