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| author | Baoquan He <bhe@redhat.com> | 2016-09-15 10:50:51 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2016-09-19 15:49:01 +0200 |
| commit | 5c87f62dd1ea9dab8101a020fa2c6ab47c37797e (patch) | |
| tree | 32b1924b55223f670774525764c9ee52c61fdc9f /drivers/iommu/amd_iommu_init.c | |
| parent | iommu/amd: Clean up the cmpxchg64 invocation (diff) | |
| download | linux-5c87f62dd1ea9dab8101a020fa2c6ab47c37797e.tar.xz linux-5c87f62dd1ea9dab8101a020fa2c6ab47c37797e.zip | |
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>
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index cd1713631a4a..157e93421fb8 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -20,6 +20,7 @@ #include <linux/pci.h> #include <linux/acpi.h> #include <linux/list.h> +#include <linux/bitmap.h> #include <linux/slab.h> #include <linux/syscore_ops.h> #include <linux/interrupt.h> @@ -2285,7 +2286,7 @@ static int __init early_amd_iommu_init(void) * never allocate domain 0 because its used as the non-allocated and * error value placeholder */ - amd_iommu_pd_alloc_bitmap[0] = 1; + __set_bit(0, amd_iommu_pd_alloc_bitmap); spin_lock_init(&amd_iommu_pd_lock); |