From: Michael Olbrich <m.olbrich@pengutronix.de>
To: distrokit@pengutronix.de
Cc: Michael Olbrich <m.olbrich@pengutronix.de>
Subject: [DistroKit] [PATCH] platform-v7a: enable virtio hardware random number generator
Date: Mon, 30 Sep 2019 18:05:47 +0200 [thread overview]
Message-ID: <20190930160547.2628-1-m.olbrich@pengutronix.de> (raw)
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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next reply other threads:[~2019-09-30 16:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-30 16:05 Michael Olbrich [this message]
2019-09-30 21:49 ` Robert Schwebel
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