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hw/arm/virt: dt: add rng-seed property

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In 60592cfed2 ("hw/arm/virt: dt: add kaslr-seed property"), the
kaslr-seed property was added, but the equally as important rng-seed
property was forgotten about, which has identical semantics for a
similar purpose. This commit implements it in exactly the same way as
kaslr-seed. It then changes the name of the disabling option to reflect
that this has more to do with randomness vs determinism, rather than
something particular about kaslr.

Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
[PMM: added deprecated.rst section for the deprecation]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Jason A. Donenfeld 2022-07-07 11:36:07 +01:00 • committed by Peter Maydell
parent 8e9398e3b1
commit 5242876f37
4 changed files with 47 additions and 24 deletions
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8
docs/about/deprecated.rst
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@ -225,6 +225,14 @@ Use the more generic event ``DEVICE_UNPLUG_GUEST_ERROR`` instead.
System emulator machines
------------------------
Arm ``virt`` machine ``dtb-kaslr-seed`` property
''''''''''''''''''''''''''''''''''''''''''''''''
The ``dtb-kaslr-seed`` property on the ``virt`` board has been
deprecated; use the new name ``dtb-randomness`` instead. The new name
better reflects the way this property affects all random data within
the device tree blob, not just the ``kaslr-seed`` node.
PPC 405 ``taihu`` machine (since 7.0)
'''''''''''''''''''''''''''''''''''''