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SubjectRe: [PATCH 6/8] lazy tlb: shoot lazies, a non-refcounting lazy tlb option
On Sat, Nov 28, 2020 at 07:54:57PM -0800, Andy Lutomirski wrote:
> This means that mm_cpumask operations won't need to be full barriers
> forever, and we might not want to take the implied full barriers in
> set_bit() and clear_bit() for granted.

There is no implied full barrier for those ops.

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