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    SubjectRe: [PATCH] Avoid to use kmalloc in usb/core/message.c
    Date
    > > > 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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