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SubjectRe: [PATCH] mm: Speed up mremap on large regions
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On 12/10/2018 05:21, Jann Horn wrote:
> I don't know how this interacts with shadow paging implementations.

Shadow paging simply uses MMU notifiers and that does not assume that
PTE invalidation is atomic. The invalidate_range_start and
invalidate_range_end calls are not affected by Joel's patch, so it's ok
for KVM and also for other users of MMU notifiers.

Paolo

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