diff options
Diffstat (limited to 'arch/x86/kernel/reboot.c')
| -rw-r--r-- | arch/x86/kernel/reboot.c | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 4f0d46fefa7f..e334be1182b9 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -419,6 +419,30 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"), }, }, + { /* Handle problems with rebooting on the Latitude E6320. */ + .callback = set_pci_reboot, + .ident = "Dell Latitude E6320", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"), + }, + }, + { /* Handle problems with rebooting on the Latitude E5420. */ + .callback = set_pci_reboot, + .ident = "Dell Latitude E5420", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5420"), + }, + }, + { /* Handle problems with rebooting on the Latitude E6420. */ + .callback = set_pci_reboot, + .ident = "Dell Latitude E6420", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6420"), + }, + }, { } }; @@ -440,7 +464,7 @@ static inline void kb_wait(void) } } -static void vmxoff_nmi(int cpu, struct die_args *args) +static void vmxoff_nmi(int cpu, struct pt_regs *regs) { cpu_emergency_vmxoff(); } @@ -712,14 +736,10 @@ static nmi_shootdown_cb shootdown_callback; static atomic_t waiting_for_crash_ipi; -static int crash_nmi_callback(struct notifier_block *self, - unsigned long val, void *data) +static int crash_nmi_callback(unsigned int val, struct pt_regs *regs) { int cpu; - if (val != DIE_NMI) - return NOTIFY_OK; - cpu = raw_smp_processor_id(); /* Don't do anything if this handler is invoked on crashing cpu. @@ -727,10 +747,10 @@ static int crash_nmi_callback(struct notifier_block *self, * an NMI if system was initially booted with nmi_watchdog parameter. */ if (cpu == crashing_cpu) - return NOTIFY_STOP; + return NMI_HANDLED; local_irq_disable(); - shootdown_callback(cpu, (struct die_args *)data); + shootdown_callback(cpu, regs); atomic_dec(&waiting_for_crash_ipi); /* Assume hlt works */ @@ -738,7 +758,7 @@ static int crash_nmi_callback(struct notifier_block *self, for (;;) cpu_relax(); - return 1; + return NMI_HANDLED; } static void smp_send_nmi_allbutself(void) @@ -746,12 +766,6 @@ static void smp_send_nmi_allbutself(void) apic->send_IPI_allbutself(NMI_VECTOR); } -static struct notifier_block crash_nmi_nb = { - .notifier_call = crash_nmi_callback, - /* we want to be the first one called */ - .priority = NMI_LOCAL_HIGH_PRIOR+1, -}; - /* Halt all other CPUs, calling the specified function on each of them * * This function can be used to halt all other CPUs on crash @@ -770,7 +784,8 @@ void nmi_shootdown_cpus(nmi_shootdown_cb callback) atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1); /* Would it be better to replace the trap vector here? */ - if (register_die_notifier(&crash_nmi_nb)) + if (register_nmi_handler(NMI_LOCAL, crash_nmi_callback, + NMI_FLAG_FIRST, "crash")) return; /* return what? */ /* Ensure the new callback function is set before sending * out the NMI |