Re: [kvm-devel] [PATCH] KVM - Fix rmode_tss_base declaration

[Avi Kivity]

Jeff Dike wrote:
> On Thu, Jun 07, 2007 at 08:09:48AM +0300, Avi Kivity wrote:
>   
> > Some extra logic is needed on i386 with >= 4GB.  Current code will
> > wraparound since gfn_t is 32-bits long, but casting it to 64-bits is not
> > the answer since the processor will truncate it back to 32 bits (the
> > return value is eventually used as a long in enter_rmode()).
> >     
>
> Is it necessary to initialize TR in enter_rmode?  I can't see anything
> that says it has any meaning in real mode.
>
>   

VT doesn't support real mode.  kvm uses virtual-8086 mode to virtualize 
real mode.  Virtual 8086 mode does require a task state segment.

--
error compiling committee.c: too many arguments to function

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