* Christoph Lameter <c...@linux.com> wrote:
> The kernel can detect __this_cpu ops in preemptible contexts after the
> preemption check patchset that I posted last week.
>
> Here is a selection of patches to fix false positives caused by the
> additional checks. So far I have found no bug. Amazing. Looks like there
> was some prior work done to shake these things out?
You can probably thank -rt/PREEMPT_RT for such efforts - I think Thomas in
particular has hit a couple of genuine bugs with __this_cpu APIs the hard
way and then fixed them.
This series, once finished, will allow us to detect such problems cheaper
and earlier.
Thanks,
Ingo
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