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Re: [Xen-ia64-devel] [PATCH 0/2] FPSWA emulation support

To: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-ia64-devel] [PATCH 0/2] FPSWA emulation support
From: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date: Thu, 18 May 2006 12:57:07 +0200
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Le Jeudi 18 Mai 2006 12:36, Masaki Kanno a écrit :
> Hi all,
>
> These patches supports FPSWA emulation to the dom0/domU.
>
> Patch's summary:
[...]
>   -- If the FP fault/trap occurred in Xen, Xen call FPSWA.
>    --- If FPSWA succeed, Xen resume next instruction in Xen.
>    --- If FPSWA fail, Xen does the panic.
Why not panic'ing on every Xen FP fault ?
Within Xen, we should only use fp for bit copying/clearing.

Tristan.

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