Using __kuser_cmpxchg

Andrew Haley aph@redhat.com
Thu Nov 15 19:36:00 GMT 2007

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David Daney writes:
 > 
 > Am I missing something here?
 > 
 > Is it really impossible to implement compare_and_swap on these ARM 
 > platforms?
No, but it is exceedingly difficult to do it *efficiently*.
Andrew.

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