Re: [patch] paravirt: isolate module ops

From: Rusty Russell
Date: Sat Jan 06 2007 - 00:36:24 EST


On Fri, 2007-01-05 at 18:07 -0800, Arjan van de Ven wrote:
> >
> > I would suggest a slightly different carving. For one, no TLB flushes.
> > If you can't modify PTEs, why do you need to have TLB flushes? And I
> > would allow CR0 read / write for code which saves and restores FPU state
>
> no that is abstracted away by kernel_fpu_begin/end. Modules have no
> business doing that themselves

Sure, but it'll take some time to fix the raid modules (which are the
ones which abuse this).

I'm testing a patch now, I'll send the clts removal patch on top of that
once it's done.

Rusty.

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