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Copy and clear the reply descriptor atomically. This prevents concurrency

Description

Copy and clear the reply descriptor atomically. This prevents concurrency
in the interrupt handlers (usually due to timeout/error recovery) from
seeing and processing the same descriptor twice.

Details

Committed
scottlDec 9 2018, 6:10 AM
Parents
rS341754: Remove the mps driver from powerpc 32bit GENERIC, and don't build it and
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