Messages in this thread | | | Date | Fri, 24 Jan 2020 13:45:12 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH] mm/memory_hotplug: Fix remove_memory() lockdep splat |
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On Fri 10-01-20 13:27:24, Dan Williams wrote: > On Fri, Jan 10, 2020 at 9:42 AM David Hildenbrand <david@redhat.com> wrote: [...] > > For your reference (roughly 5 months ago, so not that old) > > > > https://lkml.kernel.org/r/20190724143017.12841-1-david@redhat.com > > Oh, now I see the problem. You need to add that lock so far away from > the __add_memory() to avoid lock inversion problems with the > acpi_scan_lock. The organization I was envisioning would not work > without deeper refactoring.
Sorry to come back to this late. Has this been resolved?
-- Michal Hocko SUSE Labs
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