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xen/docs/misc
Paul Durrant bf13fe76c5 x86/viridian: make the threshold for HvNotifyLongSpinWait tunable
The current threshold before the guest issues the hypercall is, and always
has been, hard-coded to 2047. It is not clear where this number came
from so, to at least allow for ease of experimentation, this patch makes
the threshold tunable via the Xen command line.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
2017-03-23 15:51:45 +01:00
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