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Re: [Xen-merge] fs/gs handling
| To: | Chris Wright <chrisw@xxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-merge] fs/gs handling |
| From: | Kurt Garloff <garloff@xxxxxxx> |
| Date: | Fri, 12 Aug 2005 05:11:49 +0200 |
| Cc: | xen-merge@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 12 Aug 2005 07:41:40 +0000 |
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Hi Chris,
On Thu, Aug 11, 2005 at 07:41:45PM -0700, Chris Wright wrote:
> Any reason that fs/gs are specifically handled with mov not movl in
> these cases?
>
> #define deactivate_mm(tsk, mm) \
> - asm("movl %0,%%fs ; movl %0,%%gs": :"r" (0))
> + asm("mov %0,%%fs ; mov %0,%%gs": :"r" (0))
mov works for both x86 and x86-64 ...
... though I don't know whether that's relevant here.
Best,
--
Kurt Garloff <kurt@xxxxxxxxxx> [Koeln, DE]
Physics:Plasma modeling <garloff@xxxxxxxxxxxxxxxxxxx> [TU Eindhoven, NL]
Linux: SUSE Labs (Director) <garloff@xxxxxxx> [Novell Inc]
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