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    SubjectRe: [PATCH 14/15] libnvdimm: support read-only btt backing devices
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    Christoph Hellwig <hch@lst.de> writes:

    > On Mon, Jun 22, 2015 at 11:02:24AM -0400, Jeff Moyer wrote:
    >> Agreed, we can't audit all code, and springing this potential data
    >> corruptor on people seems irresponsible.
    >
    > How do "the people" know they'd have to use btt in the current setup
    > without auditing their stack first?

    Right now, the guidance should be to always use btt since there are no
    applications that are directly taking advantage of persistent memory
    (that I know). I expect documentation would take care of that. I also
    expect that, as applications add support, they would note the
    requirement for dax mountpoints in their documentation.

    So, "the people" find out the same way they always have. :)

    Cheers,
    Jeff
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