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SubjectRe: EFI mixed mode + perf = rampant triple faults
On 01/15/2015 11:41 AM, Matt Fleming wrote:
>>
>> Tianocore makes assumptions about the kernel's GDT layout? Yuck.
>
> No, but 32-bit Tianocore does rely on the second GDT entry being a
> 32-bit CS.
>
> It has no knowledge of Linux's GDT layout.
>

If it assumes that descriptor 16 is a 32-bit CS (and what about data?
24?) that *is* making assumptions on the kernel.

-hpa



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