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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-26 09:50:56 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-26 09:50:56 +0300
commit986fb2e0532b1b0fa1e8312fbc38b9e7ed826547 (patch)
treee571ff6c8cd4bedfd49181125f0bd2993546ed24 /drivers/iommu/amd_iommu_init.c
parent24438e46268c721e14c5c888386af85c9e1c5db1 (diff)
parent2e6e902d185027f8e3cb8b7305238f7e35d6a436 (diff)
downloadlinux-986fb2e0532b1b0fa1e8312fbc38b9e7ed826547.tar.xz
Merge 4.20-rc4 into char-misc-next
We want the char/misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
-rw-r--r--drivers/iommu/amd_iommu_init.c3
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);