Re: [Xen-devel] A useless short jmp?

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 18/6/07 15:03, "Li, Xin B" <xin.b.li@xxxxxxxxx> wrote:

> According to Intel Spec, it's useless, do we have any special reason to
> have it there?
> BTW why put mov $1, %bl between lmsw and it's corresponding ljmp?

Hmmm... I'm sure I read somewhere about a jmp to clear the prefetch queue,
but reading the appropriate manual pages now I see I only need the ljmp.
I'll fix that and also move the write to %bx somewhere more sensible.

 Thanks,
 Keir


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