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SubjectRe: [PATCH] (1/4) 2.5.59 fast reader/writer lock for gettimeofday

> These need to be mb(), not wmb(), if you want the bits in between
> to actually happen in between, as with your xtime example. At
> present there's nothing stoping xtime from being *read* before
> your read from pre_sequence happens.

But with frlocks we synchronise writers with a spinlock, so shouldnt it
provide that synchronisation?

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