iommu/vt-d: Convert allocations to GFP_KERNEL

No reason anymore to do GFP_ATOMIC allocations which are not harmful
in the normal bootup case, but matter in the physical hotplug
scenario.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Borislav Petkov <bp@alien8.de>
Acked-and-tested-by: Joerg Roedel <joro@8bytes.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: iommu@lists.linux-foundation.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20141205084147.472428339@linutronix.de
Link: http://lkml.kernel.org/r/1420615903-28253-4-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 2360cb6a8896a258d79518c29caba9b2e001ce1f..1e7e093277533a8637582e0285ae452cf5751364 100644 (file)
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -481,11 +481,11 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu)
        if (iommu->ir_table)
                return 0;
 
-       ir_table = kzalloc(sizeof(struct ir_table), GFP_ATOMIC);
+       ir_table = kzalloc(sizeof(struct ir_table), GFP_KERNEL);
        if (!ir_table)
                return -ENOMEM;
 
-       pages = alloc_pages_node(iommu->node, GFP_ATOMIC | __GFP_ZERO,
+       pages = alloc_pages_node(iommu->node, GFP_KERNEL | __GFP_ZERO,
                                 INTR_REMAP_PAGE_ORDER);
 
        if (!pages) {