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| /qemu/pc-bios/s390-ccw/ |
| H A D | main.c | 872882e7 Fri Oct 30 12:28:23 GMT 2020 Jason J. Herne <jjherne@linux.ibm.com> s390-bios: Skip writing iplb location to low core for ccw ipl
The architecture states that the iplb location is only written to low
core for list directed ipl and not for traditional ccw ipl. If we don't
skip this then operating systems that load by reading into low core
memory may fail to start.
We should also not write the iplb pointer for network boot as it might
overwrite content that we got via network.
Fixes: 9bfc04f9ef68 ("pc-bios: s390x: Save iplb location in lowcore")
Signed-off-by: Jason J. Herne <jjherne@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201030122823.347140-1-borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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