[GHC] #12764: Be able to pin a thread to a numa node without fixing a capabiity

[GHC]

#12764: Be able to pin a thread to a numa node without fixing a capabiity
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           Reporter:  darshan        |             Owner:  darshan
               Type:  feature        |            Status:  new
  request                            |
           Priority:  normal         |         Milestone:
          Component:  Runtime        |           Version:  8.0.1
  System                             |
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 There is a rts call `rts_setInCallCapability(int)` which pins the current
 thread to the given capability. If numa is on, it also pins it to the
 appropriate numa node.

 We want to be able to pin a thread to a numa node but without fixing a
 capability.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12764>
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