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Date: Wed, 14 Oct 2020 07:31:17 +0100
From: Christoph Hellwig <hch@infradead.org>
To: Ram Pai <linuxram@us.ibm.com>
Subject: Re: [RFC v1 0/2] Plumbing to support multiple secure memory backends.
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Please don't add an abstraction without a second implementation.
Once we have the implementation we can consider the tradeoffs.  E.g.
if expensive indirect function calls are really needed vs simple
branches.