diff options
| -rw-r--r-- | arch/powerpc/platforms/pseries/dtl.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/kexec.c | 11 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 4 |
3 files changed, 14 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c index e9190073bb97..0e8656370063 100644 --- a/arch/powerpc/platforms/pseries/dtl.c +++ b/arch/powerpc/platforms/pseries/dtl.c @@ -181,7 +181,7 @@ static void dtl_stop(struct dtl *dtl) lppaca_of(dtl->cpu).dtl_enable_mask = 0x0; - unregister_dtl(hwcpu, __pa(dtl->buf)); + unregister_dtl(hwcpu); } static u64 dtl_current_index(struct dtl *dtl) diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 54cf3a4aa16b..1118cb79f9e3 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)) diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index 4bf21207d7d3..a6921aec2d6f 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -73,9 +73,9 @@ static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa) return vpa_call(0x3, cpu, vpa); } -static inline long unregister_dtl(unsigned long cpu, unsigned long vpa) +static inline long unregister_dtl(unsigned long cpu) { - return vpa_call(0x6, cpu, vpa); + return vpa_call(0x6, cpu, 0); } static inline long register_dtl(unsigned long cpu, unsigned long vpa) |