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Subject[RFC PATCH 0/3] hw_random: support for delayed init randomness requests
Date
Hello,

This series introduces a way to allow devices to contribute to initial
system randomness after a certain delay. Specifically, the virtio-rng
device can contribute initial randomness only after a successful
probe().

A delayed workqueue item is queued in the system queue to fetch this
randomness if the device indicates it's capable of contributing only
after a delay, via the new HWRNG_DELAY_READ_AT_INIT flag.

This series is intended for the next merge window. I've marked it as
RFC because the last revert doesn't yet have a linux.git sha1. I'll
re-post when the previous series gets committed.

Please review,

Amit Shah (3):
hw_random: allow RNG devices to give early randomness after a delay
virtio: rng: only accept delayed early randomness requests
Revert "virtio: rng: ensure reads happen after successful probe"

drivers/char/hw_random/core.c | 26 +++++++++++++++++++-------
drivers/char/hw_random/virtio-rng.c | 11 +----------
include/linux/hw_random.h | 8 ++++++++
3 files changed, 28 insertions(+), 17 deletions(-)

--
1.9.3



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