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(parent: 3324e60) | patch
[S390] check addressing mode in s390_enable_sie
authorCarsten Otte <cotte@de.ibm.com>
Thu, 26 Mar 2009 14:23:57 +0000 (15:23 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 26 Mar 2009 14:24:09 +0000 (15:24 +0100)
commit702d9e584feb028ed7e2a6d2b103b8ea57622ff2
tree965f82b6d0d82e8492a97ac5a117ba47c26d1674tree | snapshot (tar.gz zip)
parent3324e60aafa9aeb1009878d45079b67367a5e2b6commit | diff
[S390] check addressing mode in s390_enable_sie

The sie instruction requires address spaces to be switched
to run proper. This patch verifies that this is the case
in s390_enable_sie, otherwise the kernel would crash badly
as soon as the process runs into sie.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/mm/pgtable.c diff | blob | blame | history