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SubjectRe: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G
On 01/08/2013 01:19 PM, Borislav Petkov wrote:
> On Tue, Jan 08, 2013 at 01:15:41PM -0800, H. Peter Anvin wrote:
>> Yes, but why bother...
>
> I suspected something like that to be the reason after reading into that
> section of the APM of how one needs to jump through hoops to do one
> lousy far jump.
>

The only thing that started this was that I got tempted into a
microoptimization that happens to be valid and documented on Intel, but
not AMD. Given that it doesn't actually work lretq is probably the
least insane option.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.



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