sparc64: Convert U3copy_{from,to}_user to accurate exception reporting.
authorDavid S. Miller <davem@davemloft.net>
Tue, 25 Oct 2016 04:20:35 +0000 (21:20 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 25 Oct 2016 04:20:35 +0000 (21:20 -0700)
Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.

Signed-off-by: David S. Miller <davem@davemloft.net>

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