2023-04-13 19:48:35

by Danny Tsen

Subject: [PATCH v2 0/2] Remove POWER10_CPU dependency and move PPC_MODULE_FEATURE_P10.

Remove Power10 dependency in Kconfig and detect Power10 feature at runtime.
Move PPC_MODULE_FEATURE_P10 definition to be in
arch/powerpc/include/asm/cpufeature.h.

Signed-off-by: Danny Tsen <[email protected]>

Danny Tsen (2):
Kconfig: Remove POWER10_CPU dependency.
aes-gcm-p10-glue.c, cpufeature.h: Move Power10 feature, PPC_MODULE_FEATURE_P10.

arch/powerpc/crypto/Kconfig | 2 +-
arch/powerpc/crypto/aes-gcm-p10-glue.c | 1 -
arch/powerpc/include/asm/cpufeature.h | 1 +
3 files changed, 2 insertions(+), 2 deletions(-)

--
2.31.1

2023-04-13 19:50:05

by Danny Tsen

Subject: [PATCH v2 1/2] Remove POWER10_CPU dependency.

Remove Power10 dependency in Kconfig and detect Power10 feature at runtime.

Signed-off-by: Danny Tsen <[email protected]>
---
arch/powerpc/crypto/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig
index 1f8f02b494e1..7113f9355165 100644
--- a/arch/powerpc/crypto/Kconfig
+++ b/arch/powerpc/crypto/Kconfig
@@ -96,7 +96,7 @@ config CRYPTO_AES_PPC_SPE

config CRYPTO_AES_GCM_P10
tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)"
- depends on PPC64 && POWER10_CPU && CPU_LITTLE_ENDIAN
+ depends on PPC64 && CPU_LITTLE_ENDIAN
select CRYPTO_LIB_AES
select CRYPTO_ALGAPI
select CRYPTO_AEAD
--
2.31.1

2023-04-14 13:17:32

by Michael Ellerman

Subject: Re: [PATCH v2 1/2] Remove POWER10_CPU dependency.

Danny Tsen <[email protected]> writes:
> Remove Power10 dependency in Kconfig and detect Power10 feature at runtime.

... using the existing call to module_cpu_feature_match() :)

> Signed-off-by: Danny Tsen <[email protected]>
> ---
> arch/powerpc/crypto/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Michael Ellerman <[email protected]> (powerpc)

cheers

> diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig
> index 1f8f02b494e1..7113f9355165 100644
> --- a/arch/powerpc/crypto/Kconfig
> +++ b/arch/powerpc/crypto/Kconfig
> @@ -96,7 +96,7 @@ config CRYPTO_AES_PPC_SPE
>
> config CRYPTO_AES_GCM_P10
> tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)"
> - depends on PPC64 && POWER10_CPU && CPU_LITTLE_ENDIAN
> + depends on PPC64 && CPU_LITTLE_ENDIAN
> select CRYPTO_LIB_AES
> select CRYPTO_ALGAPI
> select CRYPTO_AEAD
> --
> 2.31.1

2023-04-14 13:35:31

by Danny Tsen

Subject: Re: [PATCH v2 1/2] Remove POWER10_CPU dependency.

Thanks Michael.

-Danny

On 4/14/23 8:08 AM, Michael Ellerman wrote:
> Danny Tsen <[email protected]> writes:
>> Remove Power10 dependency in Kconfig and detect Power10 feature at runtime.
> ... using the existing call to module_cpu_feature_match() :)
>
>> Signed-off-by: Danny Tsen <[email protected]>
>> ---
>> arch/powerpc/crypto/Kconfig | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
> Acked-by: Michael Ellerman <[email protected]> (powerpc)
>
> cheers
>
>> diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig
>> index 1f8f02b494e1..7113f9355165 100644
>> --- a/arch/powerpc/crypto/Kconfig
>> +++ b/arch/powerpc/crypto/Kconfig
>> @@ -96,7 +96,7 @@ config CRYPTO_AES_PPC_SPE
>>
>> config CRYPTO_AES_GCM_P10
>> tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)"
>> - depends on PPC64 && POWER10_CPU && CPU_LITTLE_ENDIAN
>> + depends on PPC64 && CPU_LITTLE_ENDIAN
>> select CRYPTO_LIB_AES
>> select CRYPTO_ALGAPI
>> select CRYPTO_AEAD
>> --
>> 2.31.1