Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.11 19/31] swiotlb: dont modify orig_addr in swiotlb_tbl_sync_single | Date | Wed, 5 May 2021 14:06:08 +0200 |
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From: Jianxiong Gao <jxgao@google.com>
commit: 16fc3cef33a04632ab6b31758abdd77563a20759
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> Signed-off-by: Jianxiong Gao <jxgao@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- kernel/dma/swiotlb.c | 1 - 1 file changed, 1 deletion(-)
--- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -660,7 +660,6 @@ 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:
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