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x86: remove various unused subarch hooks

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Impact: remove dead code

Remove:

 - pre_setup_arch_hook()
 - mca_nmi_hook()

If needed they can be added back via an x86_quirk handler.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-02-23 00:29:45 +01:00
parent 965c7ecaf2
commit d85a881d78
3 changed files with 4 additions and 40 deletions
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6
arch/x86/include/asm/arch_hooks.h
View file

@ -15,12 +15,12 @@ extern void init_ISA_irqs(void);
extern irqreturn_t timer_interrupt(int irq, void *dev_id);
/* these are the defined hooks */
extern void intr_init_hook(void);
extern void pre_intr_init_hook(void);
extern void pre_setup_arch_hook(void);
extern void intr_init_hook(void);
extern void trap_init_hook(void);
extern void pre_time_init_hook(void);
extern void time_init_hook(void);
extern void mca_nmi_hook(void);
#endif /* _ASM_X86_ARCH_HOOKS_H */

4
arch/x86/kernel/mca_32.c
View file

@ -474,6 +474,4 @@ void __kprobes mca_handle_nmi(void)
* adapter was responsible for the error.
*/
bus_for_each_dev(&mca_bus_type, NULL, NULL, mca_handle_nmi_callback);
mca_nmi_hook();
} /* mca_handle_nmi */
}

34
arch/x86/kernel/setup.c
View file

@ -668,7 +668,6 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_X86_32
memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
visws_early_detect();
pre_setup_arch_hook();
#else
printk(KERN_INFO "Command line: %s\n", boot_command_line);
#endif
@ -1022,18 +1021,6 @@ void __init intr_init_hook(void)
}
}
/**
* pre_setup_arch_hook - hook called prior to any setup_arch() execution
*
* Description:
* generally used to activate any machine specific identification
* routines that may be needed before setup_arch() runs. On Voyager
* this is used to get the board revision and type.
**/
void __init pre_setup_arch_hook(void)
{
}
/**
* trap_init_hook - initialise system specific traps
*
@ -1088,25 +1075,4 @@ void __init time_init_hook(void)
irq0.mask = cpumask_of_cpu(0);
setup_irq(0, &irq0);
}
#ifdef CONFIG_MCA
/**
* mca_nmi_hook - hook into MCA specific NMI chain
*
* Description:
* The MCA (Microchannel Architecture) has an NMI chain for NMI sources
* along the MCA bus. Use this to hook into that chain if you will need
* it.
**/
void mca_nmi_hook(void)
{
/*
* If I recall correctly, there's a whole bunch of other things that
* we can do to check for NMI problems, but that's all I know about
* at the moment.
*/
pr_warning("NMI generated from unknown source!\n");
}
#endif /* CONFIG_MCA */
#endif /* CONFIG_X86_32 */