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    SubjectRe: [PATCH] x86_64 irq: reuse vector for __assign_irq_vector
    On Thu, Oct 26, 2006 at 02:04:57AM -0700, Yinghai Lu wrote:
    > Andi,
    > please check the revised patch: It can be appied to current linus't tree.
    > in phys flat mode, when using set_xxx_irq_affinity to irq balance from
    > one cpu to another, _assign_irq_vector will get to increase last used
    > vector and get new vector. this will use up the vector if enough
    > set_xxx_irq_affintiy are called. and end with using same vector in
    > different cpu for different irq. (that is not what we want, we only
    > want to use same vector in different cpu for different irq when more
    > than 0x240 irq needed). To keep it simple, the vector should be reused
    > instead of getting new vector.
    > Also according to Eric's review, make it more generic to be used with
    > flat mode too.
    > It also check if new domain and old domain is equal, to avoid extra
    > operation.

    Works fine for mee.

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