diff options
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 bb2cd29e1658..d8f7000a466a 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -797,7 +797,8 @@ static int iommu_init_ga_log(struct amd_iommu *iommu) entry = iommu_virt_to_phys(iommu->ga_log) | GA_LOG_SIZE_512; memcpy_toio(iommu->mmio_base + MMIO_GA_LOG_BASE_OFFSET, &entry, sizeof(entry)); - entry = (iommu_virt_to_phys(iommu->ga_log) & 0xFFFFFFFFFFFFFULL) & ~7ULL; + entry = (iommu_virt_to_phys(iommu->ga_log_tail) & + (BIT_ULL(52)-1)) & ~7ULL; memcpy_toio(iommu->mmio_base + MMIO_GA_LOG_TAIL_OFFSET, &entry, sizeof(entry)); writel(0x00, iommu->mmio_base + MMIO_GA_HEAD_OFFSET); |