Re: incoming

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On Wed, Jun 30, 2021 at 6:46 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> This is the rest of the -mm tree, less 66 patches which are dependent on
> things which are (or were recently) in linux-next.  I'll trickle that
> material over next week.

I haven't bisected this yet, but with the current -git I'm getting

   watchdog: BUG: soft lockup - CPU#41 stuck for 49s!

and the common call chain seems to be in flush_tlb_mm_range ->
on_each_cpu_cond_mask.

Commit e058a84bfddc42ba356a2316f2cf1141974625c9 is good, and looking
at the pulls and merges I've done since, this -mm series looks like
the obvious culprit.

I'll go start bisection, but I thought I'd give a heads-up in case
somebody else has seen TLB-flush-related lockups and already figured
out the guilty party..

                 Linus



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