Re: [PATCH 1/5] cramfs: direct memory access support

Christoph Hellwig <[email protected]> Sat, 12 Aug 2017 00:49:27 -0700

Newsgroups	org.kernel.vger.linux-embedded,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

Direct physical memory access in a file system is never safe.
Please make sure this goes through struct dax_operations.

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