amd64/169927: siginfo, si_code for fpe errors when error occurs using the SSE math processor

Konstantin Belousov kostikbel at
Wed Jul 18 08:10:07 UTC 2012

On Wed, Jul 18, 2012 at 04:59:38PM +1000, Bruce Evans wrote:
> On Wed, 18 Jul 2012, Konstantin Belousov wrote:
> Putting the definiton in machine/pcpu.h should avoid changing the
> prerequistes for machine/pcb.h.
> >#ifndef _KERNEL
> >/* stuff that *used* to be included by user.h, or is now needed */
> >
> >Please note the location in pcb.h an not in machine/pcpu.h, where it
> >cannot work for technical reasons (struct pcpu is not defined yet).
> Not applicable -- see above.
No, this cannot work. machine/pcpu.h defines PCPU_MD_FIELDS which is used
to provide md part of the struct pcpu.
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