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Re: [Xen-devel] 2.6.30 dom0 Xen patches

To: "Andrew Lyon" <andrew.lyon@xxxxxxxxx>, "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-devel] 2.6.30 dom0 Xen patches
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Fri, 10 Jul 2009 13:52:07 +0100
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>>> Boris Derzhavets <bderzhavets@xxxxxxxxx> 10.07.09 14:40 >>>
>I still believe in 60035_xen3-patch-2.6.29.patch1 line 11568  
>
>+#ifdef CONFIG_SPARSE_IRQ
>+                       irq_to_desc(irq)->kstat_irqs[cpu] = 0;
>+#else
>                        kstat_cpu(cpu).irqs[irq] = 0;
>
>causes a problem. 

Sure - that's what I keep telling you: This needs to be replaced by
CONFIG_GENERIC_HARDIRQS in the .30 patch.

Oh, I think I now understand what you first did: You apparently replaced
the *other* +#ifdef CONFIG_SPARSE_IRQ in the .30 patch - that's wrong.
You need to make the .30 patch *additionally* make the change indicated
above. (Of course, you could do that in the .29 patch right away, but then
your .29 patch will no longer properly reflect what's needed for that version
to build and/or work right.)

Jan


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