[Xen-devel] RE: [RFC] [PATCH] Dom0: Don't switch back to user sp

To:	"Jeremy Fitzhardinge" <jeremy@xxxxxxxx>, "Yunhong Jiang" <yunhong.jiang@xxxxxxxxx>
Subject:	[Xen-devel] RE: [RFC] [PATCH] Dom0: Don't switch back to user space stack in syscall entry
From:	"Jan Beulich" <JBeulich@xxxxxxxxxx>
Date:	Thu, 11 Feb 2010 08:55:12 +0000
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>>> "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> 11.02.10 08:42 >>>
>Yes, this apply for both dom0 and domU. I didn't state domU because I have no 
>idea how will NMI be applied. In fact, I'm told by Jan that NMI is needed by 
>dom0.

That's the current state. Xen has ways to inject NMIs to DomU-s, just
that currently there's no user of it in Linux or (as far as I'm aware) the
tools.

Jan


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