static void package_power_limit_irq_restore()

in intel_rapl_common.c [923:942]

• 14 lines of code
• 5 McCabe index (conditional complexity)

static void package_power_limit_irq_restore(struct rapl_package *rp)
{
	u32 l, h;

	if (!boot_cpu_has(X86_FEATURE_PTS) || !boot_cpu_has(X86_FEATURE_PLN))
		return;

	/* irq enable state not saved, nothing to restore */
	if (!(rp->power_limit_irq & PACKAGE_PLN_INT_SAVED))
		return;

	rdmsr_safe(MSR_IA32_PACKAGE_THERM_INTERRUPT, &l, &h);

	if (rp->power_limit_irq & PACKAGE_THERM_INT_PLN_ENABLE)
		l |= PACKAGE_THERM_INT_PLN_ENABLE;
	else
		l &= ~PACKAGE_THERM_INT_PLN_ENABLE;

	wrmsr_safe(MSR_IA32_PACKAGE_THERM_INTERRUPT, l, h);
}