[S390] Remove initial kernel stack backchain initialization.
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Thu, 25 Dec 2008 12:39:21 +0000 (13:39 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 25 Dec 2008 12:39:13 +0000 (13:39 +0100)
commitc58d92b233a41b81fbbea6add4ba1b512784f837
tree3c2aff73fa9f4fe21901969eb2ea8f67e22670a4
parent64253acbf189085fb0ceb9a3fbe43b40f4a0a932
[S390] Remove initial kernel stack backchain initialization.

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>
arch/s390/kernel/head31.S
arch/s390/kernel/head64.S