On Wed, Apr 13, 2011 at 3:41 PM, Richard Weinberger <[email protected]> wrote: > Commit 8a5ec0ba "Lockless (and preemptless) fastpaths for slub" > makes use of this_cpu_cmpxchg_double() which needs > this_cpu_cmpxchg16b_emu() on x86_64. > Implementing cmpxchg16b emulation for UML would introduce > too much complexity. So just disable it. > > LKML-Reference: <[email protected]> > Reported-by: Sergei Trofimovich <[email protected]> > Signed-off-by: Richard Weinberger <[email protected]>
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