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    SubjectRe: [PATCH v7u1 26/31] x86: Don't enable swiotlb if there is not enough ram for it
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    On Mon, Jan 7, 2013 at 7:13 PM, Eric W. Biederman <ebiederm@xmission.com> wrote:
    > I meant we should detect failure to allocate bounce buffers in in
    > swiotlb_init() instead of panicing.
    >
    > I meant swiotlb_map_single() should either panic or simply fail.
    >
    > If I have read lib/swiotlb.c correctly the only place we allocate a
    > bounce buffer is in swiotlb_map_single. If there are more places we can
    > allocate bounce buffers those need to be handled as well.

    ok, will give it a try.

    Thanks

    Yinghai


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