From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: [Patch] continue_hypercall_on_cpu rework using
	tasklets
Date: Wed, 14 Apr 2010 11:30:56 +0100
Message-ID: <C7EB57F0.113A8%keir.fraser@eu.citrix.com>
References: <4BC57705.3060207@ts.fujitsu.com>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <4BC57705.3060207@ts.fujitsu.com>
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Juergen Gross <juergen.gross@ts.fujitsu.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

On 14/04/2010 09:04, "Juergen Gross" <juergen.gross@ts.fujitsu.com> 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