[PATCH] crypto: vmx - ghash: do nosimd fallback manually

[Herbert Xu]

On Fri, May 17, 2019 at 01:40:02AM +1000, Daniel Axtens wrote:
> VMX ghash was using a fallback that did not support interleaving simd
> and nosimd operations, leading to failures in the extended test suite.
> 
> If I understood correctly, Eric's suggestion was to use the same
> data format that the generic code uses, allowing us to call into it
> with the same contexts. I wasn't able to get that to work - I think
> there's a very different key structure and data layout being used.
> 
> So instead steal the arm64 approach and perform the fallback
> operations directly if required.
> 
> Reported-by: Eric Biggers <ebiggers at google.com>
> Signed-off-by: Daniel Axtens <dja at axtens.net>
> 
> ---
> 
> Tested on BE and LE in qemu-tcg, so more testing would be lovely.
> ---
>  drivers/crypto/vmx/ghash.c | 211 +++++++++++++++----------------------
>  1 file changed, 86 insertions(+), 125 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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