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Re: [Xen-devel] [Patch] continue_hypercall_on_cpu rework using tasklets

To: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [Patch] continue_hypercall_on_cpu rework using tasklets
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 14 Apr 2010 11:30:56 +0100
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On 14/04/2010 09:04, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx> wrote:

>> 
>> There can be only one nested invocation on any given pcpu, since a running
>> invocation is never preempted. Hence on entry to c_h_o_c() you can check a
>> per-cpu variable to see whether this invocation is nesting, or not. And if
>> it is, that variable can be a pointer to an info structure which includes a
>> pointer to the invoking vcpu.
> 
> Okay, attached is the modified patch again.

I cleaned up some more and applied as xen-unstable:21165 and
xen-unstable:21166.

 -- Keir



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