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Bounce buffers for untrusted devices

Bounce buffers for untrusted devices

Posted Apr 30, 2019 16:44 UTC (Tue) by kevincox (subscriber, #93938)
Parent article: Bounce buffers for untrusted devices

Why use a bounce-buffer instead of just ensuring that nothing shares the page of the regular buffer? It seems like you now have an "owned page" plus an additional copy.

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Bounce buffers for untrusted devices

Posted May 1, 2019 8:02 UTC (Wed) by bobot (subscriber, #64147) [Link]

It could be a first step which doesn't require any modifications of the user code. Later user code could be modified to avoid the need of bounce buffers.


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