Пример #1
0
static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
{
	/* Don't risk a hypervisor call if we're crashing */
	if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
		unsigned long addr;
		int ret;

		if (get_lppaca()->dtl_enable_mask) {
			ret = unregister_dtl(hard_smp_processor_id());
			if (ret) {
				pr_err("WARNING: DTL deregistration for cpu "
				       "%d (hw %d) failed with %d\n",
				       smp_processor_id(),
				       hard_smp_processor_id(), ret);
			}
		}

		addr = __pa(get_slb_shadow());
		if (unregister_slb_shadow(hard_smp_processor_id(), addr))
			printk("SLB shadow buffer deregistration of "
			       "cpu %u (hw_cpu_id %d) failed\n",
			       smp_processor_id(),
			       hard_smp_processor_id());

		addr = __pa(get_lppaca());
		if (unregister_vpa(hard_smp_processor_id(), addr)) {
			printk("VPA deregistration of cpu %u (hw_cpu_id %d) "
					"failed\n", smp_processor_id(),
					hard_smp_processor_id());
		}
	}
}
Пример #2
0
static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
{
	/*                                                */
	if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
		int ret;
		int cpu = smp_processor_id();
		int hwcpu = hard_smp_processor_id();

		if (get_lppaca()->dtl_enable_mask) {
			ret = unregister_dtl(hwcpu);
			if (ret) {
				pr_err("WARNING: DTL deregistration for cpu "
				       "%d (hw %d) failed with %d\n",
				       cpu, hwcpu, ret);
			}
		}

		ret = unregister_slb_shadow(hwcpu);
		if (ret) {
			pr_err("WARNING: SLB shadow buffer deregistration "
			       "for cpu %d (hw %d) failed with %d\n",
			       cpu, hwcpu, ret);
		}

		ret = unregister_vpa(hwcpu);
		if (ret) {
			pr_err("WARNING: VPA deregistration for cpu %d "
			       "(hw %d) failed with %d\n", cpu, hwcpu, ret);
		}
	}
}
Пример #3
0
static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
{
	/* Don't risk a hypervisor call if we're crashing */
	if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
		unsigned long addr;

		addr = __pa(get_slb_shadow());
		if (unregister_slb_shadow(hard_smp_processor_id(), addr))
			printk("SLB shadow buffer deregistration of "
			       "cpu %u (hw_cpu_id %d) failed\n",
			       smp_processor_id(),
			       hard_smp_processor_id());

		addr = __pa(get_lppaca());
		if (unregister_vpa(hard_smp_processor_id(), addr)) {
			printk("VPA deregistration of cpu %u (hw_cpu_id %d) "
					"failed\n", smp_processor_id(),
					hard_smp_processor_id());
		}
	}
}