iommu/amd: Use standard bitmap operation to set bitmap
It will be more readable and safer than the old setting. Signed-off-by: Baoquan He <bhe@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -20,6 +20,7 @@
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#include <linux/pci.h>
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#include <linux/acpi.h>
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#include <linux/list.h>
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#include <linux/bitmap.h>
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#include <linux/slab.h>
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#include <linux/syscore_ops.h>
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#include <linux/interrupt.h>
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@ -2285,7 +2286,7 @@ static int __init early_amd_iommu_init(void)
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* never allocate domain 0 because its used as the non-allocated and
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* error value placeholder
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*/
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amd_iommu_pd_alloc_bitmap[0] = 1;
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__set_bit(0, amd_iommu_pd_alloc_bitmap);
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spin_lock_init(&amd_iommu_pd_lock);
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