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SubjectRe: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes"
On (12/12/18 16:40), Daniel Wang wrote:
> In case this was buried in previous messages, the commit I'd like to
> get backported to 4.14 is dbdda842fe96f: printk: Add console owner and
> waiter logic to load balance console writes. But another followup
> patch that fixes a bug in that patch is also required. That is
> c14376de3a1b: printk: Wake klogd when passing console_lock owner.

Additionally, for dbdda842fe96f to work as expected we really
need fd5f7cde1b85d4c. Otherwise printk() can schedule under
console_sem and console_owner, which will deactivate the "load
balance" logic.

-ss

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