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(parent: e46b6f5) | patch
s390: scrub registers on kernel entry and KVM exit
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 16 Jan 2018 12:27:30 +0000 (13:27 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 5 Feb 2018 06:34:54 +0000 (07:34 +0100)
commit3957ee8d9109d1acecfac1e1917c44f225df77a2
tree7456a46a95c968045e3ed8a1c8e5a53d9f086846tree | snapshot
parente46b6f5c2e082571cfbf57eb03120e061ee6ff7fcommit | diff
s390: scrub registers on kernel entry and KVM exit

Clear all user space registers on entry to the kernel and all KVM guest
registers on KVM guest exit if the register does not contain either a
parameter or a result value.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/entry.S diff | blob | history
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