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[PATCH] ppc64: fix for kexec boot issue

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The kexec boot is not successful on some power machines since all CPUs are
getting removed from global interrupt queue (GIQ) before kexec boot.  Some
systems always expect at least one CPU in GIQ.  Hence, this patch will make
sure that only secondary CPUs are removed from GIQ.

Signed-off-by: Haren Myneni <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Paul Mackerras 2005-08-04 12:53:37 -07:00 • committed by Linus Torvalds
commit 6d22d85a85
6 changed files with 24 additions and 23 deletions
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2
include/asm-ppc64/machdep.h
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@ -84,7 +84,7 @@ struct machdep_calls {
void (*init_IRQ)(void);
int (*get_irq)(struct pt_regs *);
void (*cpu_irq_down)(void);
void (*cpu_irq_down)(int secondary);
/* PCI stuff */
void (*pcibios_fixup)(void);

2
include/asm-ppc64/xics.h
View file

@ -17,7 +17,7 @@
void xics_init_IRQ(void);
int xics_get_irq(struct pt_regs *);
void xics_setup_cpu(void);
void xics_teardown_cpu(void);
void xics_teardown_cpu(int secondary);
void xics_cause_IPI(int cpu);
void xics_request_IPIs(void);
void xics_migrate_irqs_away(void);