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selftests/powerpc: Import Anton's memcpy / copy_tofrom_user tests

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Turn Anton's memcpy / copy_tofrom_user test into something that can
live in tools/testing/selftests.

It requires one turd in arch/powerpc/lib/memcpy_64.S, but it's pretty
harmless IMHO.

We are sailing very close to the wind with the feature macros. We define
them to nothing, which currently means we get a few extra nops and
include the unaligned calls.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Ellerman
2014-01-21 15:22:17 +11:00
committed by Benjamin Herrenschmidt
parent 55672ecfa2
commit 22d651dcef
11 changed files with 224 additions and 1 deletions
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tools/testing/selftests/powerpc/copyloops/memcpy_64.S Symbolic link
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../../../../../arch/powerpc/lib/memcpy_64.S