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x86: allow machine_crash_shutdown to be replaced 

This patch a llows machine_crash_shutdown to
be replaced, just like any of the other functions
in machine_ops

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Glauber Costa 2008-03-17 16:08:38 -03:00 committed by Avi Kivity
parent 096d14a3b5
commit ed23dc6f5b
3 changed files with 13 additions and 2 deletions
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3
arch/x86/kernel/crash.c
View File

@ -25,6 +25,7 @@
#include <asm/hpet.h>
#include <linux/kdebug.h>
#include <asm/smp.h>
#include <asm/reboot.h>
#include <mach_ipi.h>
@ -117,7 +118,7 @@ static void nmi_shootdown_cpus(void)
}
#endif
void machine_crash_shutdown(struct pt_regs *regs)
void native_machine_crash_shutdown(struct pt_regs *regs)
{
/* This function is only called after the system
* has panicked or is otherwise in a critical state.

11
arch/x86/kernel/reboot.c
View File

@ -470,7 +470,10 @@ struct machine_ops machine_ops = {
.shutdown = native_machine_shutdown,
.emergency_restart = native_machine_emergency_restart,
.restart = native_machine_restart,
.halt = native_machine_halt
.halt = native_machine_halt,
#ifdef CONFIG_KEXEC
.crash_shutdown = native_machine_crash_shutdown,
#endif
};
void machine_power_off(void)
@ -498,3 +501,9 @@ void machine_halt(void)
machine_ops.halt();
}
#ifdef CONFIG_KEXEC
void machine_crash_shutdown(struct pt_regs *regs)
{
machine_ops.crash_shutdown(regs);
}
#endif

1
include/asm-x86/reboot.h
View File

@ -15,5 +15,6 @@ struct machine_ops {
extern struct machine_ops machine_ops;
void machine_real_restart(unsigned char *code, int length);
void native_machine_crash_shutdown(struct pt_regs *regs);
#endif /* _ASM_REBOOT_H */