sparc64: Convert U1copy_{from,to}_user to accurate exception reporting.

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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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David S. Miller 2016-08-15 16:07:50 -07:00

parent d0796b555b

commit cb736fdbb2

3 changed files with 237 additions and 124 deletions

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8

arch/sparc/lib/U1copy_from_user.S

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8

arch/sparc/lib/U1copy_to_user.S

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341

arch/sparc/lib/U1memcpy.S

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