Thread (37 messages) 37 messages, 9 authors, 2016-12-09

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

From: Christoph Hellwig <hch@infradead.org>
Date: 2016-09-14 07:33:47
Also in: lkml

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 <redacted>
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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