lkml.org 
[lkml]   [2007]   [Nov]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [kvm-devel] [PATCH 3/8] KVM: PVDMA Guest: Guest-side routines for paravirtualized DMA
    On Wed, Nov 07, 2007 at 04:21:04PM +0200, Amit Shah wrote:

    > We make the dma_mapping_ops structure to point to our structure so
    > that every DMA access goes through us. (This is the reason this only
    > works for 64-bit guest. 32-bit guest doesn't yet have a dma_ops
    > struct.)

    I need the same facility for Calgary for falling back to swiotlb if a
    translation is disabled on some slot, and IB needs the same facility
    for some IB adapters (e.g., ipath). Perhaps it's time to consider
    stackable dma-ops (unless someone has a better idea...).

    Cheers,
    Muli
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-11-12 11:53    [W:0.020 / U:91.264 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site