Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock

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On Tue, Jan 17, 2023 at 10:27 AM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
>
> The cpu_relax() is exactly the wrong thing to do here.  See this thread:
> https://lore.kernel.org/linux-fsdevel/20230113184447.1707316-1-mjguzik@xxxxxxxxx/

If you are right, feel free to go and remove every cpu_relax() under the
kernel/locking directory.




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