Re: [PATCH v5 4/5] arm64: Add support for SMCCC TRNG entropy source
From: Mark Brown <broonie@kernel.org>
Date: 2021-01-05 17:01:39
Also in:
kvmarm, lkml
On Tue, Jan 05, 2021 at 04:36:51PM +0000, Andre Przywara wrote:
quoted hunk ↗ jump to hunk
@@ -77,10 +117,20 @@ arch_get_random_seed_long_early(unsigned long *v) { WARN_ON(system_state != SYSTEM_BOOTING); - if (!__early_cpu_has_rndr()) - return false; + if (__early_cpu_has_rndr()) + return __arm64_rndr(v); + + if (smccc_trng_available) { + struct arm_smccc_res res;
This still seems to be preferring RNDR over SMCCC for the early seed unless I'm misreading the diff?