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seqc: fix sed-introduced typos (seqcuence -> sequence)
Sponsored by: The FreeBSD Foundation
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=347507
@ -44,9 +44,9 @@ typedef uint32_t seqc_t;
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* seqc allows readers and writers to work with a consistent snapshot. Modifying
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* operations must be enclosed within a transaction delineated by
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* seqc_write_beg/seqc_write_end. The trick works by having the writer increment
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* the seqcuence number twice, at the beginning and end of the transaction.
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* The reader detects that the seqcuence number has not changed between its start
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* and end, and that the seqcuence number is even, to validate consistency.
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* the sequence number twice, at the beginning and end of the transaction.
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* The reader detects that the sequence number has not changed between its start
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* and end, and that the sequence number is even, to validate consistency.
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*
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* Some fencing (both hard fencing and compiler barriers) may be needed,
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* depending on the cpu. Modern AMD cpus provide strong enough guarantees to not
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