hardware that assists the processor in the execution of
certain instructions, series of instructions, privileged
operations, and interrupt
installation on either or both processors.
All, some, or none of the function performed by
processor that the virtual machine is logged on. (For the
extent of
of
can be determined by invoking
to attempts to invoke the various operands of
hardware assist functions can only be activated for an
individual virtual machine provided the
permits the associated hardware assist function to be active
for the entire system (or in attached processor systems, the
appropriate processor).
assist is controlled by
see the
If
then hardware assist is active and used during virtual machine
operations immediately after logon. Hardware assist as it
pertains to a virtual machine can then be turned off and on
aqain
The
when you
hardware assist is activated and whether the hardware assist
or
are passed to CP for handling, regardless of the
specify
the appropriate bits are set. Later, if hardware assist is
turned on again, the operand you specified while it was off
becomes effective.
virtual machine;
hardware assist handles all
If the user requests
available and active, the request is honored; if
attempts to enable hardware assist, the virtual machine
remembers the enabling attempt and an appropriate message is
sent to the
assist, it is immediately utilized by the virtual machine. In
the
the system, an appropriate error message is issued. In an
attached processor system, hardware assist is available to any
virtual machine provided it is installed on one of the