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| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-09-21 12:07:29 +0200 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2022-09-26 17:23:11 +0200 |
| commit | 3dbc5fdacb5af08dffa408ac7315eae53c4d5497 (patch) | |
| tree | 38b3f4c565db6558d1406b1b38d7b219031af263 /tests/avocado/machine_s390_ccw_virtio.py | |
| parent | 9f17bfdab422887807cbd5260ed6b0b6e54ddb33 (diff) | |
| download | qemu-3dbc5fdacb5af08dffa408ac7315eae53c4d5497.zip qemu-3dbc5fdacb5af08dffa408ac7315eae53c4d5497.tar.gz qemu-3dbc5fdacb5af08dffa408ac7315eae53c4d5497.tar.bz2 | |
target/s390x: support PRNO_TRNG instruction
In order for hosts running inside of TCG to initialize the kernel's
random number generator, we should support the PRNO_TRNG instruction,
backed in the usual way with the qemu_guest_getrandom helper. This is
confirmed working on Linux 5.19.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-Id: <20220921100729.2942008-2-Jason@zx2c4.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
[thuth: turn prno-trng off in avocado test to avoid breaking it]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'tests/avocado/machine_s390_ccw_virtio.py')
| -rw-r--r-- | tests/avocado/machine_s390_ccw_virtio.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/avocado/machine_s390_ccw_virtio.py b/tests/avocado/machine_s390_ccw_virtio.py index 438a6f4..78152f2 100644 --- a/tests/avocado/machine_s390_ccw_virtio.py +++ b/tests/avocado/machine_s390_ccw_virtio.py @@ -66,6 +66,7 @@ class S390CCWVirtioMachine(QemuSystemTest): '-kernel', kernel_path, '-initrd', initrd_path, '-append', kernel_command_line, + '-cpu', 'max,prno-trng=off', '-device', 'virtio-net-ccw,devno=fe.1.1111', '-device', 'virtio-rng-ccw,devno=fe.2.0000,max_revision=0,id=rn1', |