Re: [PATCH 11/11] swiotlb: allow initialisation with pre-allocatedbounce-buffer

[FUJITA Tomonori]

On Mon, 1 Jun 2009 16:33:03 +0100
Ian Campbell <ian.campbell@xxxxxxxxxx> wrote:

> This allows the generic swiotlb code to be used by users with unusual
> requirements for the buffer allocation by allowing them to provide
> their own swiotlb buffer.
> 
> Also:
> - swiotlb_init_with_default_size is unused so collapse into
>   swiotlb_init.
> - move declarations of swiotlb_late_init_with_default_size out of *.c
>   into linux/swiotlb.h where they belong
> - Make io_tlb_nslabs and io_tlb_overflow non-static since callers of the
>   new interface will want to access them.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
> Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
> Cc: Olaf Kirch <okir@xxxxxxx>
> Cc: Greg KH <gregkh@xxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> ---
>  arch/ia64/hp/common/hwsw_iommu.c |    3 --
>  arch/ia64/hp/common/sba_iommu.c  |    2 -
>  include/linux/swiotlb.h          |   14 ++++++++
>  lib/swiotlb.c                    |   64 +++++++++++++++++++++----------------
>  4 files changed, 50 insertions(+), 33 deletions(-)

Please tell me a pointer to Xen code to use this patch. I think that
we could have more clean interfaces.
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