Re: Drop support for x86-32

From: Sam Ravnborg
Date: Fri Aug 24 2012 - 16:50:03 EST


On Fri, Aug 24, 2012 at 02:57:41PM -0400, Theodore Ts'o wrote:
> On Fri, Aug 24, 2012 at 11:17:20AM -0700, H. Peter Anvin wrote:
> >
> > Speaking as one of the x86 maintainers... we are currently deciding the
> > cost/benefit tradeoff around removing i386 support. I don't mean
> > general x86-32 support, I mean i386 as opposed to i486, Pentium, and so on.
>
> Random question. As I recall the Space Shuttle and the International
> Space Station was only using 80386's because they have to be hardened
> against radiation/cosmic rays, as well as all of the other mechnical
> and thermal stresses associated with being in a spacecraft. Is there
> any newer generation cpu's which are space-cerified at this point?

I do not know if you consider the LEON variants of SPARC 32 bit as a new
generation. But they are actively developed and used in space missions.
At least to my best knowledge.

Sam
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