Messages in this thread | | | Date | Fri, 27 Oct 2017 10:43:12 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] paravirt/locks: avoid modifying static key before jump_label_init() |
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* Juergen Gross <jgross@suse.com> wrote:
> Don't try to set the static virt_spin_lock_key to a value before > jump_label_init() has been called, as this will result in a WARN(). > > Solve the problem by introducing a new lock_init() hook called after > jump_label_init() instead of doing the call inside of > smp_prepare_boot_cpu(). > > Signed-off-by: Juergen Gross <jgross@suse.com> > --- > Based on kernel/git/tip/tip.git locking/core
Just a quick ping: what's the conclusion of the discussion, do we want this patch as-is?
Also, it's unclear from the changelog under what circumstances this bug was observed and what symptoms there are and how severe the bug - can the warning trigger on vanilla v4.14?
Thanks,
Ingo
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