RE: [PATCH 2/2] x86/MCE: Add command line option to extend MCE Records pool

[Luck, Tony]

> The usual reason is to exclude other CPUs also doing list_add_rcu()
> on the same list.  Or is there other synchronization that is preventing
> concurrent updates?

In this case the patch is trying to do a one-time bump of the pool size.
So no races here.

-Tony