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Re: [Xen-ia64-devel] PATCH: cleanup + fph enabled after context switch

To: "Xu, Anthony" <anthony.xu@xxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>, "Magenheimer, Dan \(HP Labs Fort Collins\)" <dan.magenheimer@xxxxxx>, "Alex Williamson" <alex.williamson@xxxxxx>
Subject: Re: [Xen-ia64-devel] PATCH: cleanup + fph enabled after context switch
From: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date: Fri, 21 Apr 2006 09:29:40 +0200
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Le Vendredi 21 Avril 2006 09:19, Xu, Anthony a écrit :
> From: Tristan Gingold
>
> >Sent: 2006?4?21? 15:03
> >To: Xu, Anthony; xen-ia64-devel@xxxxxxxxxxxxxxxxxxx; Magenheimer, Dan (HP
> > Labs Fort Collins); Alex Williamson
> >Subject: Re: [Xen-ia64-devel] PATCH: cleanup + fph enabled after context
> > switch
> >
> >Le Vendredi 21 Avril 2006 03:33, Xu, Anthony a écrit :
> >> Maybe we can also remove fph_enabled.
> >> Because fph has been enabled by processor(as you said at early email)
> >
> >Sorry, I don't agree :-)  Can you quote please!
>
> Whenever interrupt, exception and fault happen, psr.dfl and dfh
> are reset to 0,
> PLS refer to Table 3-2.Processor Status Register Fields in SDM2.
Oh yes, this is correct.

Thank you for pointing this.
Tristan.



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