On Thu, Sep 06, 2018 at 01:05:32AM -0700, Atish Patra wrote: > The secondary harts spin on couple of per cpu variables until both of > these are non-zero so it's not necessary to have any ordering here. > However, WRITE_ONCE should be used to avoid tearing.
We normally pair WRITE_ONCE with READ_ONCE. But it seems like the reader side is in assembly code, so this should be ok: Reviewed-by: Christoph Hellwig <[email protected]>
