diff options
Diffstat (limited to 'kernel/kexec.c')
| -rw-r--r-- | kernel/kexec.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index 8a6d7b08864..93eed85fe01 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1130,7 +1130,7 @@ void crash_save_cpu(struct pt_regs *regs, int cpu) return; memset(&prstatus, 0, sizeof(prstatus)); prstatus.pr_pid = current->pid; - elf_core_copy_regs(&prstatus.pr_reg, regs); + elf_core_copy_kernel_regs(&prstatus.pr_reg, regs); buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS, &prstatus, sizeof(prstatus)); final_note(buf); @@ -1450,11 +1450,7 @@ int kernel_kexec(void) error = device_suspend(PMSG_FREEZE); if (error) goto Resume_console; - error = disable_nonboot_cpus(); - if (error) - goto Resume_devices; device_pm_lock(); - local_irq_disable(); /* At this point, device_suspend() has been called, * but *not* device_power_down(). We *must* * device_power_down() now. Otherwise, drivers for @@ -1464,6 +1460,14 @@ int kernel_kexec(void) */ error = device_power_down(PMSG_FREEZE); if (error) + goto Resume_devices; + error = disable_nonboot_cpus(); + if (error) + goto Enable_cpus; + local_irq_disable(); + /* Suspend system devices */ + error = sysdev_suspend(PMSG_FREEZE); + if (error) goto Enable_irqs; } else #endif @@ -1477,12 +1481,14 @@ int kernel_kexec(void) #ifdef CONFIG_KEXEC_JUMP if (kexec_image->preserve_context) { - device_power_up(PMSG_RESTORE); + sysdev_resume(); Enable_irqs: local_irq_enable(); - device_pm_unlock(); + Enable_cpus: enable_nonboot_cpus(); + device_power_up(PMSG_RESTORE); Resume_devices: + device_pm_unlock(); device_resume(PMSG_RESTORE); Resume_console: resume_console(); |