s390/kexec_file: Disable kexec_load when IPLed secure

A kernel loaded via kexec_load cannot be verified. Thus disable kexec_load
systemcall in kernels which where IPLed securely. Use the IMA mechanism to
do so.

Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Philipp Rudo 2019-03-26 15:45:53 +01:00 • committed by Martin Schwidefsky
commit 268a784049
3 changed files with 17 additions and 1 deletions