linux-kernel - RE: Fwd: [PATCH] x86_64: typo in __assign_irq_vector when update pos for vector and offset

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Message-ID: <5986589C150B2F49A46483AC44C7BCA412D6E7@ssvlexmb2.amd.com>
Date:	Mon, 16 Oct 2006 12:52:06 -0700
From:	"Lu, Yinghai" <yinghai.lu@....com>
To:	ebiederm@...ssion.com
cc:	"Andi Kleen" <ak@....de>,
	"linux kernel mailing list" <linux-kernel@...r.kernel.org>,
	yhlu.kernel@...il.com
Subject: RE: Fwd: [PATCH] x86_64: typo in __assign_irq_vector when
 update pos for vector and offset

>So to get things going making TARGET_CPUS cpu_online_map looks like
>the right thing to do.

Yes. but need to other reference to TARGET_CPUS to verify...it doesn't
break sth.

>My question is are your io_apics pci devices?  Not does the kernel
>have them.

Yes, I'm testing with 32 amd8132 in the simulator. Or forget about about
ioapic, and use MSI, and HT-irq directly...?

>There are a lot of ways we can approach assigning irqs to cpus and
there
>is a lot of work there.  I think Adrian Bunk has been doing some work
>with the user space irq balancer, and should probably be involved.

Right. We need only do needed in kernel space, and leave most to irq
balancer.

YH





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