Re: [patch] Fix GDT re-load on ACPI resume

[Maciej W. Rozycki]

On Mon, 15 Nov 2004, Nickolai Zeldovich wrote:

> This simple patch adds the 0x66 prefix to lgdt, which forces it to load
> all 32 bits of the GDT base address, thereby removing any restrictions on
> where the GDT can be placed in memory.  This makes ACPI resume work for me
> on a Thinkpad T40 laptop.
[...]
> +	.byte	0x66			# force 32-bit operands in case
> +					# the GDT is past 16 megabytes
>  	lgdt	real_save_gdt - wakeup_code

 You should use "lgdtl" and let gas figure out the rest.

  Maciej
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