RFR: 8157698: PreservedMarksSet: don't launch workers if =?utf-8?Q?ParallelGCThreads=3D=3D1_?=(extra small / simple)

[Tony Printezis]

Just realized that restore_interval(WorkGang* workers) always calls run_task(), even if active worker num  == 1 (that was my bad). We generally call task.work(0) directly when active worker num == 1.

http://cr.openjdk.java.net/~tonyp/8157698/webrev.1/

Is this change reasonable?

Tony

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Tony Printezis | JVM/GC Engineer / VM Team | Twitter

@TonyPrintezis
tprintezis at twitter.com

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