Re: EFI mixed mode + perf = rampant triple faults

[H. Peter Anvin]

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/