From: Anton Blanchard
This patch utilises the GENERIC_CPU_AUTOPROBE infrastructure
to automatically load the crc32c-vpmsum module if the CPU supports
it.
Signed-off-by: Anton Blanchard
---
arch/powerpc/crypto/crc32c-vpmsum_glue.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --
Anton Blanchard writes:
> From: Anton Blanchard
>
> This patch utilises the GENERIC_CPU_AUTOPROBE infrastructure
> to automatically load the crc32c-vpmsum module if the CPU supports
> it.
>
> Signed-off-by: Anton Blanchard
> ---
> arch/powerpc/crypto/crc32c-vpmsum_glue.c | 3 ++-
> 1 file chan
Hi Michael,
> Is VEC_CRYPTO the right feature?
>
> That's new power8 crypto stuff.
The vpmsum* instructions are part of the same pipeline as the vcipher*
instructions, introduced in POWER8.
> I thought this only used VMX? (but I haven't looked closely)
Yes, vcipher* and vpmsum* are VMX instruc
Anton Blanchard writes:
> Hi Michael,
>
>> Is VEC_CRYPTO the right feature?
>>
>> That's new power8 crypto stuff.
>
> The vpmsum* instructions are part of the same pipeline as the vcipher*
> instructions, introduced in POWER8.
OK.
>> I thought this only used VMX? (but I haven't looked closely)
Michael Ellerman wrote:
>
> This is actually an arch/powerpc patch, so I'll merge it unless Herbert
> objects.
It's fine with me.
Cheers,
--
Email: Herbert Xu
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
