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    SubjectRe: [PATCH] time: Add locking to xtime access in get_seconds()
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    On Tue, 2011-05-03 at 20:11 -0700, John Stultz wrote:
    > From: John Stultz <johnstul@us.ibm.com>
    >
    > So get_seconds() has always been lock free, with the assumption
    > that accessing a long will be atomic.
    >

    get_seconds() is used in the x86 machine check handler and there is a
    comment saying:
    /* We hope get_seconds stays lockless */

    This needs to be carefully looked at if locking is introduced to
    get_seconds().

    - Max



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