Re: [patch] x32, fpu: fix DNA exception during check_fpu()

[Linus Torvalds]

On Thu, Jun 30, 2011 at 5:19 PM, Suresh Siddha
<suresh.b.siddha@xxxxxxxxx> wrote:
>
> Before check_fpu() is called, we have cr0.TS bit set and hence the floating
> point code to check the FDIV bug was generating a DNA exception.
>
> Use kernel_fpu_begin()/kernel_fpu_end() around the floating point
> code to avoid this unnecessary device not available exception during
> boot.

Looks sane to me. I didn't think we were supposed to set the TS bit
this early, but if we do, Ack.

                 Linus
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