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[S390] pfault code cleanup.

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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2006-12-04 15:40:40 +01:00
committed by Martin Schwidefsky
parent 36a2bd425d
commit 29b08d2bae
5 changed files with 40 additions and 44 deletions
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25
arch/s390/kernel/traps.c
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@ -58,12 +58,6 @@ int sysctl_userprocess_debug = 0;
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 @@ void __init trap_init(void)
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();
}