On 30/07/2021 20:56, Stijn Tintel wrote:
The generic config has CONFIG_RCU_EXPERT=y, which exposes
CONFIG_RCU_FANOUT. This is set to 32 in the generic config, but the
default for 64bit kernels is 64. This causes a warning during boot:
[ 0.000000] rcu: CONFIG_RCU_FANOUT set to non-default value of 32.
Set CONFIG_RCU_FANOUT=64 in kernel configs of 64bit targets, unless the
target config has disabled CONFIG_RCU_EXPERT.
Alternatively we could disable CONFIG_RCU_EXPERT entirely. Not sure why
it was enabled in the first place. If anyone knows, please do share.
Stijn
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