[DistroKit] [PATCH] platform-v7a: enable virtio hardware random number generator

[DistroKit] [PATCH] platform-v7a: enable virtio hardware random number generator

[Michael Olbrich]

This speeds up the first boot in qemu quite a bit when ssh keys are
generated.

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
 configs/platform-v7a/kernelconfig | 2 +-
 configs/platform-v7a/run          | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/configs/platform-v7a/kernelconfig b/configs/platform-v7a/kernelconfig
index 6c982e133d3e..24c92d7ec015 100644
--- a/configs/platform-v7a/kernelconfig
+++ b/configs/platform-v7a/kernelconfig
@@ -1661,7 +1661,7 @@ CONFIG_HW_RANDOM=y
 # CONFIG_HW_RANDOM_TIMERIOMEM is not set
 CONFIG_HW_RANDOM_BCM2835=y
 CONFIG_HW_RANDOM_OMAP=y
-# CONFIG_HW_RANDOM_VIRTIO is not set
+CONFIG_HW_RANDOM_VIRTIO=y
 CONFIG_HW_RANDOM_IMX_RNGC=y
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
diff --git a/configs/platform-v7a/run b/configs/platform-v7a/run
index 7ff747fba4d4..935d63bf0f1e 100755
--- a/configs/platform-v7a/run
+++ b/configs/platform-v7a/run
@@ -80,6 +80,7 @@ QEMU_ARGS=( "${QEMU_ARGS[@]}" -rtc base=2000-01-01 )
 # Configure watchdog
 # no watchdog available on vexpress
 #QEMU_ARGS=( "${QEMU_ARGS[@]}" -watchdog i6300esb -watchdog-action poweroff )
+QEMU_ARGS=( "${QEMU_ARGS[@]}" -object rng-random,filename=/dev/random,id=rng0 -device virtio-rng-device,rng=rng0 )
 # SCSI bus
 QEMU_ARGS=( "${QEMU_ARGS[@]}" -device virtio-scsi-device,id=scsi )
 # Add virtual SCSI device if available
-- 
2.20.1


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Re: [DistroKit] [PATCH] platform-v7a: enable virtio hardware random number generator

[Robert Schwebel]

On Mon, Sep 30, 2019 at 06:05:47PM +0200, Michael Olbrich wrote:
> This speeds up the first boot in qemu quite a bit when ssh keys are
> generated.
> 
> Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
> ---
>  configs/platform-v7a/kernelconfig | 2 +-
>  configs/platform-v7a/run          | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)

Applied to next.

rsc
-- 
Pengutronix e.K.                           | Dipl.-Ing. Robert Schwebel  |
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