Re: [RFC PATCH v2 3/3] block: Always use a bounce buffer when XPFO is enabled

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On Wed, Sep 14, 2016 at 09:19:01AM +0200, Juerg Haefliger wrote:
> This is a temporary hack to prevent the use of bio_map_user_iov()
> which causes XPFO page faults.
> Signed-off-by: Juerg Haefliger <juerg.haefliger@xxxxxxx>

Sorry, but if your scheme doesn't support get_user_pages access to
user memory is't a steaming pile of crap and entirely unacceptable.
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