On Wed, Apr 11, 2018 at 08:28:32PM +0200, Jan Glauber wrote: > From: Mahipal Challa <mchalla@xxxxxxxxxx> > > The following error is triggered by the ThunderX ZIP driver > if the testmanager is enabled: > > [ 199.069437] ThunderX-ZIP 0000:03:00.0: Found ZIP device 0 177d:a01a on Node 0 > [ 199.073573] alg: comp: Compression test 1 failed for deflate-generic: output len = 37 > > The reason for this error is the verification of the compression > results. Verifying the compression result only works if all > algorithm parameters are identical, in this case to the software > implementation. > > Different compression engines like the ThunderX ZIP coprocessor > might yield different compression results by tuning the > algorithm parameters. In our case the compressed result is > shorter than the test vector. > > We should not forbid different compression results but only > check that compression -> decompression yields the same > result. This is done already in the acomp test. Do something > similar for test_comp(). > > Signed-off-by: Mahipal Challa <mchalla@xxxxxxxxxx> > Signed-off-by: Balakrishna Bhamidipati <bbhamidipati@xxxxxxxxxx> > [jglauber@xxxxxxxxxx: removed unrelated printk changes, rewrote commit msg, > fixed whitespace and unneeded initialization] > Signed-off-by: Jan Glauber <jglauber@xxxxxxxxxx> Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt