Re: [PATCH 8/14] i386 / Add a per cpu gdt accessor

From: Chris Wright
Date: Tue Aug 16 2005 - 19:08:15 EST


* Andi Kleen (ak@xxxxxxx) wrote:
> On Wed, Aug 10, 2005 at 09:56:40PM -0700, zach@xxxxxxxxxx wrote:
> > Add an accessor function for getting the per-CPU gdt. Callee must already
> > have the CPU.
>
> What is the accessor good for?
>
> It looks just like code obfuscation to me.

Xen handles gdt differently (one page per cpu instead of per_cpu data).
So this is for handling that access cleanly.

thanks,
-chris
-
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/