random: do not take pool spinlock at boot

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Since rand_initialize() is run while interrupts are still off and
nothing else is running, we don't need to repeatedly take and release
the pool spinlock, especially in the RDSEED loop.

Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

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Jason A. Donenfeld 2022-02-12 01:26:17 +01:00

parent 58340f8e95

commit afba0b80b9

1 changed files with 3 additions and 3 deletions

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drivers/char/random.c

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