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| author | Janis Schoetterl-Glausch <scgl@linux.ibm.com> | 2022-05-06 17:39:56 +0200 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2022-06-03 08:03:28 +0200 |
| commit | 54354861d21b69ec0781f43e67b8d4f6edad7e3f (patch) | |
| tree | 4f8842f85c144f48a5d3f6a03daafdf9de6f4b34 /qemu-options.hx | |
| parent | ec8c293678ffe7b3c01678103608ef75cecb909c (diff) | |
| download | qemu-54354861d21b69ec0781f43e67b8d4f6edad7e3f.zip qemu-54354861d21b69ec0781f43e67b8d4f6edad7e3f.tar.gz qemu-54354861d21b69ec0781f43e67b8d4f6edad7e3f.tar.bz2 | |
target/s390x: kvm: Honor storage keys during emulation
Storage key controlled protection is currently not honored when
emulating instructions.
If available, enable key protection for the MEM_OP ioctl, thereby
enabling it for the s390_cpu_virt_mem_* functions, when using kvm.
As a result, the emulation of the following instructions honors storage
keys:
* CLP
The Synch I/O CLP command would need special handling in order
to support storage keys, but is currently not supported.
* CHSC
Performing commands asynchronously would require special
handling, but commands are currently always synchronous.
* STSI
* TSCH
Must (and does) not change channel if terminated due to
protection.
* MSCH
Suppressed on protection, works because fetching instruction.
* SSCH
Suppressed on protection, works because fetching instruction.
* STSCH
* STCRW
Suppressed on protection, this works because no partial store is
possible, because the operand cannot span multiple pages.
* PCISTB
* MPCIFC
* STPCIFC
Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Message-Id: <20220506153956.2217601-3-scgl@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'qemu-options.hx')
0 files changed, 0 insertions, 0 deletions