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

From: Jeff Dike
Date: Fri Jun 08 2007 - 15:45:57 EST

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.

And if not, would not the guest be responsible for finding room for the


Work email - jdike at linux dot intel dot com
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at