Re: [PATCH v4] enable x2APIC without interrupt remapping under KVM

From: Eric W. Biederman
Date: Tue Jun 30 2009 - 13:16:03 EST


Gleb Natapov <gleb@xxxxxxxxxx> writes:

> On Tue, Jun 30, 2009 at 12:18:19AM -0700, Yinghai Lu wrote:
>> how about kexec second kernel in KVM ?
>>
>> x2apic_preenabled will be set in second kernel.
>>
> By the way anybody knows why kexec does not use BIOS reset code
> (cmos 0xf offset) to jump into new kernel after hard reset?

What I said before plus the fact that kexec grew up on systems
that don't have a BIOS. So the option of using that piece of
was not there.

Eric
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