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| author | Martin Schwidefsky | 2012-08-23 16:18:09 +0200 |
|---|---|---|
| committer | Martin Schwidefsky | 2012-10-09 14:16:58 +0200 |
| commit | 51eee033dca3d6dc81febc5a69f30b964f3bddf3 (patch) | |
| tree | 5f5a7b981e2febf38671cb5808e4acddde0005d3 /arch/s390/mm/dump_pagetables.c | |
| parent | s390/mm,pageattr: remove superfluous EXPORT_SYMBOLs (diff) | |
| download | kernel-qcow2-linux-51eee033dca3d6dc81febc5a69f30b964f3bddf3.tar.gz kernel-qcow2-linux-51eee033dca3d6dc81febc5a69f30b964f3bddf3.tar.xz kernel-qcow2-linux-51eee033dca3d6dc81febc5a69f30b964f3bddf3.zip | |
s390: add support to start the kernel in 64 bit mode.
Do the switch to z/Architecture (alias 64 bit) mode early in head.S.
If the machine is already running in 64 bit mode the sigp turns into
a nop. With this change it doesn't matter in which mode the kernel
is started.
Reviewd-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm/dump_pagetables.c')
0 files changed, 0 insertions, 0 deletions