Hi, I am preparing some improvements for the exynos-rng PRNG driver. It is a driver for hardware PRNG in Exynos SoCs. The hardware should not be access simultaneously by more than one thread/processe or it may return the same data to all of them. Are there any locks betweend kernel consumers or userspace and the driver or should the driver has its own lock to serialize hardware access? Kind regards, -- Łukasz Stelmach Samsung R&D Institute Poland Samsung Electronics
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