[PATCH v4 02/23] lib/scatterlist: add flag for indicating P2PDMA segments in an SGL

Christoph Hellwig hch at lst.de
Tue Dec 21 01:02:48 PST 2021


> +	#
> +	# The need for the scatterlist DMA bus address flag means PCI P2PDMA
> +	# requires 64bit
> +	#
> +	select NEED_SG_DMA_BUS_ADDR_FLAG

> +config NEED_SG_DMA_BUS_ADDR_FLAG
> +	depends on 64BIT
> +	bool

depends does not work for symbols that are selected using select.



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