From: Xinghui Li <korantli@xxxxxxxxxxx>
According to commit 327d5b2fee91 ("iommu/vt-d: Allow 32bit devices to
uses DMA domain"), SWIOTLB could be enable even IOMMU exist.This comment
could mislead developer that there is an error enabling SWIOTLB when
they enable IOMMU.
Signed-off-by: Xinghui Li <korantli@xxxxxxxxxxx>
---
arch/x86/kernel/pci-dma.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 30bbe4abb5d6..c0434abf7e09 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -193,7 +193,6 @@ static int __init pci_iommu_init(void)
x86_init.iommu.iommu_init();
#ifdef CONFIG_SWIOTLB
- /* An IOMMU turned us off. */
if (x86_swiotlb_enable) {
pr_info("PCI-DMA: Using software bounce buffering for IO (SWIOTLB)\n");
swiotlb_print_info();
--
2.25.1
