genirq: Prepare proc for real sparse irq support

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/proc/irq never removes any entries, but when irq descriptors can be
freed for real this is necessary. Otherwise we'd reference a freed
descriptor in /proc/irq/N

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>

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Thomas Gleixner 2010-09-30 02:46:07 +02:00

parent 1f5a5b87f7

commit 13bfe99e09

3 changed files with 22 additions and 0 deletions

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2

kernel/irq/internals.h

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2

kernel/irq/irqdesc.c

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18

kernel/irq/proc.c

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