Re: [kvm-devel] [PATCH 10/13] KVM: Wire up hypercall handlersto a central arch-independent location

From: Joerg Roedel
Date: Thu Feb 22 2007 - 05:23:19 EST

On Thu, Feb 22, 2007 at 02:17:54AM -0800, Dor Laor wrote:
> I have Ingo's network PV hypercalls to commit in my piplien.
> Till then we can just add the test hypercall:
> case __NR_hypercall_test:
> printk(KERN_DEBUG "%s __NR_hypercall_test\n",
> __FUNCTION__);
> ret = 0x5a5a;
> break;
> default:
> BUG();

Is it a good idea to call BUG() on an undefined hypercall? I assume its
better to inform the guest that is has issued an illegal call...


Joerg Roedel
Operating System Research Center
AMD Saxony LLC & Co. KG

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