[S390] Remove initial kernel stack backchain initialization.

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Early init code clears the backchain of the initial kernel stack frame.
This is not necessary since it is pre initialized with zeros. Plus it
was broken on 64 bit since it cleared only four of eight bytes.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2008-12-25 13:39:21 +01:00 • committed by Martin Schwidefsky

parent 64253acbf1

commit c58d92b233

2 changed files with 0 additions and 2 deletions

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arch/s390/kernel/head31.S

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arch/s390/kernel/head64.S

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