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Kernel: Add base support for VirtRNG (VirtIO based Hardware RNG)

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This is a very basic implementation that only requests 4096 bytes
of entropy from the host once, but its still high quality entropy
so it should be a good fix for #4490 (boot-time entropy starvation)
for virtualized environments.

Co-authored-by: Sahan <sahan.h.fernando@gmail.com>
This commit is contained in:
Idan Horowitz 2021-01-22 18:56:19 +02:00 • committed by Andreas Kling
parent d1f7a2f9a5
commit e4d9fa914e
5 changed files with 144 additions and 0 deletions
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2
Meta/run.sh
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@ -57,6 +57,7 @@ $SERENITY_EXTRA_QEMU_ARGS
-chardev stdio,id=stdout,mux=on
-device virtconsole,chardev=stdout
-device isa-debugcon,chardev=stdout
-device virtio-rng-pci
-soundhw pcspk
-device sb16
"
@ -77,6 +78,7 @@ $SERENITY_EXTRA_QEMU_ARGS
-chardev stdio,id=stdout,mux=on
-device virtconsole,chardev=stdout
-device isa-debugcon,chardev=stdout
-device virtio-rng-pci
-soundhw pcspk
-device sb16
"