vsx_disable Kernel Service

Purpose

Communicates the status of the vector and the vector-scalar registers to the hypervisor.

Syntax

#include <sys/machine.h>
void vsx_disable (old)
char old;

Parameters

old

Specifies the value returned by the vsx_enable kernel service.

Description

The vsx_disable kernel service communicates to the hypervisor that the vector and the vector-scalar registers are no longer in use.

Execution Environment

The vsx_disable kernel service can be called from the process environment or the interrupt environment. The vsx_disable kernel service must be called while all interrupts from within the INTMAX critical section are disabled.

Return Values

The vsx_disable kernel service has no return values.