Re: [PATCH] Avoid to use kmalloc in usb/core/message.c

[Duncan Sands]

> > > I wonder why the invocations of kmalloc are needed in these functions.
> > 
> > Because some architectures can't do DMA to/from the stack.
> 
> doing dma to/from kmalloc also isn't too nice... should be using
> dma_alloc_*() API I guess

The USB core applies dma_map_single to the buffer, so its OK.

Ciao,

Duncan.
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