diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-02-05 10:44:16 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2021-02-22 20:40:29 +0100 |
| commit | 16fc3cef33a04632ab6b31758abdd77563a20759 (patch) | |
| tree | ccfa214fcd1f6e5084f1e540d4e8a54931c23f5e /kernel | |
| parent | swiotlb: refactor swiotlb_tbl_map_single (diff) | |
| download | linux-16fc3cef33a04632ab6b31758abdd77563a20759.tar.xz linux-16fc3cef33a04632ab6b31758abdd77563a20759.zip | |
swiotlb: don't modify orig_addr in swiotlb_tbl_sync_single
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/dma/swiotlb.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index 6962cb4efb08..bf063badda1d 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -660,7 +660,6 @@ void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr, if (orig_addr == INVALID_PHYS_ADDR) return; - orig_addr += (unsigned long)tlb_addr & (IO_TLB_SIZE - 1); switch (target) { case SYNC_FOR_CPU: |