Re: [PATCH 1/2] elf loader support for auxvec base platform string

From: Benjamin Herrenschmidt
Date: Mon Jul 07 2008 - 18:57:20 EST


On Mon, 2008-07-07 at 12:01 +0200, Andreas Schwab wrote:
> Roland McGrath <roland@xxxxxxxxxx> writes:
>
> > There are 32 bits free now. One can anticipate that reassigning a bit
> > would come up only after these are exhausted. With prudent use, this
> > will take a very long time to happen. Then the oldest CPU type string
> > might be retired to reuse its bit. It seems unlikely that there will
> > be a single installation (root directory) that really needs to have
> > installed both a kernel optimized for the oldest CPU model known and a
> > kernel optimized for the newest CPU model known.
>
> The kernel does not have to come from the same place as the root
> filesystem. You may want to run a new kernel with an old filesystem, or
> vice-versa.

I agree, I'm pretty dubious here...

Cheers,
Ben.


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