Re: [RFC PATCH 15/33] move segment checks to subarch

From: Arjan van de Ven
Date: Tue Jul 18 2006 - 06:08:20 EST


On Tue, 2006-07-18 at 00:00 -0700, Chris Wright wrote:
> plain text document attachment (i386-segments)
> We allow for the fact that the guest kernel may not run in ring 0.
> This requires some abstraction in a few places when setting %cs or
> checking privilege level (user vs kernel).

> - regs.xcs = __KERNEL_CS;
> + regs.xcs = get_kernel_cs();

Hi,

wouldn't this patch be simpler if __KERNEL_CS just became the macro that
currently is get_kernel_cs() for the XEN case? then code like this
doesn't need changing at all...

Greetings,
Arjan van de Ven

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