From: Christoph Hellwig <hch@lst.de>
Date: Fri, 5 Feb 2021 10:44:16 +0100
Subject: swiotlb: don't modify orig_addr in swiotlb_tbl_sync_single
Git-commit: 16fc3cef33a04632ab6b31758abdd77563a20759
Patch-mainline: v5.12-rc1
References: bsc#1191851
swiotlb_tbl_map_single currently nevers sets a tlb_addr that is not
aligned to the tlb bucket size. But we're going to add such a case
soon, for which this adjustment would be bogus.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jianxiong Gao <jxgao@google.com>
Tested-by: Jianxiong Gao <jxgao@google.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
---
kernel/dma/swiotlb.c | 1 -
1 file changed, 1 deletion(-)
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -646,7 +646,6 @@ void swiotlb_tbl_sync_single(struct devi
if (orig_addr == INVALID_PHYS_ADDR)
return;
- orig_addr += (unsigned long)tlb_addr & (IO_TLB_SIZE - 1);
switch (target) {
case SYNC_FOR_CPU: