Re: [PATCH 2/2] crypto: tcrypt: Fix linkage error on ARM on division of s64

From: Krzysztof Kozlowski
Date: Tue Jun 28 2016 - 04:49:26 EST


On 06/28/2016 10:41 AM, Herbert Xu wrote:
> On Tue, Jun 28, 2016 at 09:23:07AM +0200, Krzysztof Kozlowski wrote:
>> gcc 4.7.3 for ARM on Ubuntu couldn't link tcrypt module because of
>> division of s64:
>> ERROR: "__aeabi_ldivmod" [crypto/tcrypt.ko] undefined!
>>
>> Fixes: 087bcd225c56 ("crypto: tcrypt - Add speed tests for SHA multibuffer algorithms")
>> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
>
> I'd prefer to be consistent here and just use unsigned long like
> every other speed test in tcrypt. This code has some serious
> issues, such as not waiting for completion in case of an error.
>
> Let me try to fix them up.
>
> Thanks!
>
> ---8<---
> Subject: crypto: tcrypt - Use unsigned long for mb ahash cycle counter
>
> For the timescales we are working against there is no need to
> go beyond unsigned long.
>
> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
>

Works fine for me:

Reported-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Tested-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>

Best regards,
Krzysztof