Hi! > From: Joel Stanley <joel@xxxxxxxxx> > > commit a02f6d42357acf6e5de6ffc728e6e77faf3ad217 upstream. > > It's not done anything for a long time. Save the percpu variable, and > emit a warning to remind users to not expect it to do anything. > > This uses pr_warn_once instead of pr_warn_ratelimit as testing > 'ppc64_cpu --smt=off' on a 24 core / 4 SMT system showed the warning > to be noisy, as the online/offline loop is slow. I don't believe this is good idea for stable. It is in 5.9-rc2, and likely mainline users will get userspace fixed, but that warning is less useful for -stable users. (And besides, it does not fix any serious bug). Best regards, Pavel -- http://www.livejournal.com/~pavelmachek
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