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Spinlock definition

Spinlock definition

Posted Feb 3, 2012 6:54 UTC (Fri) by ncm (subscriber, #165)
In reply to: Spinlock definition by abacus
Parent article: Betrayed by a bitfield

No, volatile almost never does anything useful. It's the 32-bit lock word that was the mistake. Fortunately, it should be easy to fix in the kernel without depending on a compiler fix, just by forcing a 64-bit aligned word.

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