Messages in this thread | | | Date | Sat, 8 Aug 2009 17:02:42 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] x86: reget cfg_new in case reuse/move irq_desc |
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* Yinghai Lu <yinghai@kernel.org> wrote:
> when irq_desc is moved, we need to make sure to use right cfg_new > > Signed-off-by: Yinghai Lu <yinghai@kernel.org> > > --- > arch/x86/kernel/apic/io_apic.c | 1 + > 1 file changed, 1 insertion(+) > > Index: linux-2.6/arch/x86/kernel/apic/io_apic.c > =================================================================== > --- linux-2.6.orig/arch/x86/kernel/apic/io_apic.c > +++ linux-2.6/arch/x86/kernel/apic/io_apic.c > @@ -3153,6 +3153,7 @@ unsigned int create_irq_nr(unsigned int > continue; > > desc_new = move_irq_desc(desc_new, node); > + cfg_new = desc_new->chip_data; >
i suspect we need this for .31? Did you see any actual bug due to this? (if yes, how did it look like?)
Ingo
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