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xen/spinlock: Document the xen_nopvspin parameter.
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Wed, 25 Sep 2013 14:07:20 +0000 (10:07 -0400)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Wed, 25 Sep 2013 14:07:34 +0000 (10:07 -0400)
commit15a3eac0784edb73cb2ec0f0c97705ba4bd39b3f
tree6bd3453615be6d634cee4abe28844b8ac769305ftree
parent0160676bba69523e8b0ac83f306cce7d342ed7c8commit | diff
xen/spinlock: Document the xen_nopvspin parameter.

Which disables in the ticketlock slowpath the Xen PV optimization's.
Useful for diagnosing issues and comparing benchmarks in
over-commit CPU scenarios.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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