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From
SubjectRe: zImage not supported for 2.2.20?
Date
Followup to:  <4.3.2.7.2.20011231090710.00ab7e30@192.168.124.1>
By author: Roy Hills <linux-kernel-l@nta-monitor.com>
In newsgroup: linux.dev.kernel
>
> My understanding is that the problem is something to do with the
> Toshiba Tecra laptops not flushing the cache properly when activating
> the A20 line. This causes a problem for bzImage kernels because they
> decompress into extended memory, whereas zImage kernels don't and
> thus don't tickle the bug.
>

It's a timing problem; it has nothing to do with the cache. The
workaround for the timing problem was added a long time ago.

-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
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