Cc: iommu@lists.linux-foundation.org
> > Subject: [bug report] dma-mapping: add benchmark support for streaming DMA
> > APIs
> >
> > Hello Barry Song,
> >
> > The patch 65789daa8087: "dma-mapping: add benchmark support for
> > streaming DMA APIs" from
> -Original Message-
> From: Dan Carpenter [mailto:dan.carpen...@oracle.com]
> Sent: Wednesday, December 9, 2020 8:00 PM
> To: Song Bao Hua (Barry Song)
> Cc: iommu@lists.linux-foundation.org
> Subject: [bug report] dma-mapping: add benchmark support for str
Hello Barry Song,
The patch 65789daa8087: "dma-mapping: add benchmark support for
streaming DMA APIs" from Nov 16, 2020, leads to the following static
checker warning:
kernel/dma/map_benchmark.c:241 map_benchmark_ioctl()
error: undefined (user controlled) shift '1 << (map->bparam.
