[S390] pfault code cleanup.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index def5caf..f6d9bcc 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -49,18 +49,12 @@
printk(KERN_INFO "kexec: machine_shutdown called\n");
}
-extern void pfault_fini(void);
-
void machine_kexec(struct kimage *image)
{
relocate_kernel_t data_mover;
- preempt_disable();
-#ifdef CONFIG_PFAULT
- if (MACHINE_IS_VM)
- pfault_fini();
-#endif
smp_send_stop();
+ pfault_fini();
s390_reset_system();
data_mover = (relocate_kernel_t) page_to_phys(image->control_code_page);
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index b549a43..19090f7 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -460,8 +460,6 @@
*/
extern void init_cpu_timer(void);
extern void init_cpu_vtimer(void);
-extern int pfault_init(void);
-extern void pfault_fini(void);
int __devinit start_secondary(void *cpuvoid)
{
@@ -473,11 +471,9 @@
#ifdef CONFIG_VIRT_TIMER
init_cpu_vtimer();
#endif
-#ifdef CONFIG_PFAULT
/* Enable pfault pseudo page faults on this cpu. */
- if (MACHINE_IS_VM)
- pfault_init();
-#endif
+ pfault_init();
+
/* Mark this cpu as online */
cpu_set(smp_processor_id(), cpu_online_map);
/* Switch on interrupts */
@@ -667,11 +663,8 @@
}
cpu_clear(cpu, cpu_online_map);
-#ifdef CONFIG_PFAULT
/* Disable pfault pseudo page faults on this cpu. */
- if (MACHINE_IS_VM)
- pfault_fini();
-#endif
+ pfault_fini();
memset(&cr_parms.orvals, 0, sizeof(cr_parms.orvals));
memset(&cr_parms.andvals, 0xff, sizeof(cr_parms.andvals));
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 92ecffb..475dbb8 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -58,12 +58,6 @@
extern pgm_check_handler_t do_protection_exception;
extern pgm_check_handler_t do_dat_exception;
-#ifdef CONFIG_PFAULT
-extern int pfault_init(void);
-extern void pfault_fini(void);
-extern void pfault_interrupt(__u16 error_code);
-static ext_int_info_t ext_int_pfault;
-#endif
extern pgm_check_handler_t do_monitor_call;
#define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; })
@@ -739,22 +733,5 @@
pgm_check_table[0x1C] = &space_switch_exception;
pgm_check_table[0x1D] = &hfp_sqrt_exception;
pgm_check_table[0x40] = &do_monitor_call;
-
- if (MACHINE_IS_VM) {
-#ifdef CONFIG_PFAULT
- /*
- * Try to get pfault pseudo page faults going.
- */
- if (register_early_external_interrupt(0x2603, pfault_interrupt,
- &ext_int_pfault) != 0)
- panic("Couldn't request external interrupt 0x2603");
-
- if (pfault_init() == 0)
- return;
-
- /* Tough luck, no pfault. */
- unregister_early_external_interrupt(0x2603, pfault_interrupt,
- &ext_int_pfault);
-#endif
- }
+ pfault_irq_init();
}