diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/kexec.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/kexec.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 54cf3a4aa16..1118cb79f9e 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -26,6 +26,17 @@ 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)) |