This patch illustrates the transition to sync_try_cmpxchg.
It is not intended to be merged as-is.
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Juergen Gross <jgross@xxxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx>
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