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Warn if free_irq() is called in IRQ context - free_irq() can execute /proc VFS work, which must not be done in IRQ context. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>