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    SubjectRe: [linux-usb-devel] Re: [PATCH 00/10] usb-serial: Switches from spin lock to atomic_t.
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    > Isn't it right? Is the URB write so fast that switching to atomic_t
    > doesn't pay-off?

    an atomic_t access and a spinlock are basically the same price... so
    what's the payoff ?


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