Re: [PATCH v2] crypto: powerpc - CRYPT_CRC32C_VPMSUM should depend on ALTIVEC

2016-08-09 Thread Herbert Xu 
On Tue, Aug 09, 2016 at 08:46:15AM +1000, Michael Ellerman wrote:
> The optimised crc32c implementation depends on VMX (aka. Altivec)
> instructions, so the kernel must be built with Altivec support in order
> for the crc32c code to build.
> 
> Fixes: 6dd7a82cc54e ("crypto: powerpc - Add POWER8 optimised crc32c")
> Acked-by: Anton Blanchard 
> Signed-off-by: Michael Ellerman 

Patch applied.  Thanks.
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Email: Herbert Xu 
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[PATCH v2] crypto: powerpc - CRYPT_CRC32C_VPMSUM should depend on ALTIVEC

2016-08-08 Thread Michael Ellerman 
The optimised crc32c implementation depends on VMX (aka. Altivec)
instructions, so the kernel must be built with Altivec support in order
for the crc32c code to build.

Fixes: 6dd7a82cc54e ("crypto: powerpc - Add POWER8 optimised crc32c")
Acked-by: Anton Blanchard 
Signed-off-by: Michael Ellerman 
---
 crypto/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

v2: No change. Send to linux-crypto.

diff --git a/crypto/Kconfig b/crypto/Kconfig
index a9377bef25e3..84d71482bf08 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -439,7 +439,7 @@ config CRYPTO_CRC32C_INTEL
 
 config CRYPT_CRC32C_VPMSUM
tristate "CRC32c CRC algorithm (powerpc64)"
-   depends on PPC64
+   depends on PPC64 && ALTIVEC
select CRYPTO_HASH
select CRC32
help
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2.7.4

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