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Groups > linux.kernel > #1231884
| From | Baoquan He <bhe@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 01/10] iommu/amd: Use standard bitmap operation to set bitmap |
| Date | 2015-09-24 08:40 +0200 |
| Message-ID | <qc8me-3vB-9@gated-at.bofh.it> (permalink) |
| References | <qc8md-3vB-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Signed-off-by: Baoquan He <bhe@redhat.com> --- drivers/iommu/amd_iommu.c | 2 +- drivers/iommu/amd_iommu_init.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index f82060e7..0d59f79 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1900,7 +1900,7 @@ static struct dma_ops_domain *dma_ops_domain_alloc(void) * mark the first page as allocated so we never return 0 as * a valid dma-address. So we can use 0 as error value */ - dma_dom->aperture[0]->bitmap[0] = 1; + __set_bit(0, dma_dom->aperture[0]->bitmap); dma_dom->next_address = 0; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 5ef347a..286da26 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> @@ -1938,8 +1939,7 @@ 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); /* -- 2.4.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 01/10] iommu/amd: Use standard bitmap operation to set bitmap Baoquan He <bhe@redhat.com> - 2015-09-24 08:40 +0200
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