diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/kexec.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/kexec.c | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 77d38a5e2ff..13fa95b3aa8 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -7,35 +7,48 @@ * 2 of the License, or (at your option) any later version. */ +#include <linux/kernel.h> +#include <linux/interrupt.h> + #include <asm/machdep.h> #include <asm/page.h> #include <asm/firmware.h> #include <asm/kexec.h> #include <asm/mpic.h> +#include <asm/xics.h> #include <asm/smp.h> +#include <asm/plpar_wrappers.h> #include "pseries.h" -#include "xics.h" -#include "plpar_wrappers.h" 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()); + 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); } } } |