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SubjectRe: WARNING in __mmdrop
On Wed, Jul 31, 2019 at 04:49:32PM +0800, Jason Wang wrote:
> Yes, looking at the synchronization implemented by other MMU notifiers.
> Vhost is even the simplest.

I think that is only because it calls gup under a spinlock, which is,
IMHO, not great.

Jason

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