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    SubjectRe: HELP: Is writeq an atomic operation??
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    From: Roland Dreier <rdreier@cisco.com>
    Date: Fri, 02 May 2008 15:43:32 -0700

    > Are there any 32-bit platforms with writeq()? A quick grep suggests not.

    Right, I guess there aren't, but what drivers do currently is roll
    their own 64-bit MMIO for such cases.

    I noticed this when writing drivers/net/niu.c

    I suppose this is on purpose, so the driver can setup any
    such protection and handling, as needed.


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