Re: [PATCH 01/16] x86, fpu: wrap get_xsave_addr() to make it safer

From: Thomas Gleixner
Date: Wed Apr 22 2015 - 11:17:05 EST


On Wed, 22 Apr 2015, Dave Hansen wrote:
> On 04/22/2015 06:31 AM, Borislav Petkov wrote:
> > I read tsk_get_xsave_field(@tsk, ) as give me the xsave field of @tsk
> > but doing used_math() we're querying current and I'm not sure
> >
> > tsk == current
> >
> > in all the call sites of tsk_get_xsave_field().
>
> There aren't that many call sites. :)
>
> But, yeah, tsk==current for all of them at the moment.

Is there a reason to have the task argument at all if thats only
intended for current?

Thanks,

tglx




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