2023-01-17 17:50:58

by Tom Lendacky

[permalink] [raw]
Subject: Re: [PATCH] virt: sevguest: add CONFIG_CRYPTO dependency

On 1/17/23 11:13, Arnd Bergmann wrote:
> From: Arnd Bergmann <[email protected]>
>
> This driver fails to link when CRYPTO is disabled, or in a loadable module:
>
> WARNING: unmet direct dependencies detected for CRYPTO_GCM
> WARNING: unmet direct dependencies detected for CRYPTO_AEAD2
> Depends on [m]: CRYPTO [=m]
> Selected by [y]:
> - SEV_GUEST [=y] && VIRT_DRIVERS [=y] && AMD_MEM_ENCRYPT [=y]
>
> x86_64-linux-ld: crypto/aead.o: in function `crypto_register_aeads':
>
> Fixes: d63670d23e60 ("virt: sevguest: Rename the sevguest dir and files to sev-guest")

This has been present from when the driver was first added, so I think the
correct Fixes: tag should be:

Fixes: fce96cf04430 ("virt: Add SEV-SNP guest driver")

Correct?

Thanks,
Tom

> Signed-off-by: Arnd Bergmann <[email protected]>
> ---
> drivers/virt/coco/sev-guest/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/virt/coco/sev-guest/Kconfig b/drivers/virt/coco/sev-guest/Kconfig
> index f9db0799ae67..da2d7ca531f0 100644
> --- a/drivers/virt/coco/sev-guest/Kconfig
> +++ b/drivers/virt/coco/sev-guest/Kconfig
> @@ -2,6 +2,7 @@ config SEV_GUEST
> tristate "AMD SEV Guest driver"
> default m
> depends on AMD_MEM_ENCRYPT
> + select CRYPTO
> select CRYPTO_AEAD2
> select CRYPTO_GCM
> help


2023-01-17 18:32:46

by Tom Lendacky

[permalink] [raw]
Subject: Re: [PATCH] virt: sevguest: add CONFIG_CRYPTO dependency

Updating email for Boris.

On 1/17/23 11:26, Tom Lendacky wrote:
> On 1/17/23 11:13, Arnd Bergmann wrote:
>> From: Arnd Bergmann <[email protected]>
>>
>> This driver fails to link when CRYPTO is disabled, or in a loadable module:
>>
>> WARNING: unmet direct dependencies detected for CRYPTO_GCM
>> WARNING: unmet direct dependencies detected for CRYPTO_AEAD2
>>    Depends on [m]: CRYPTO [=m]
>>    Selected by [y]:
>>    - SEV_GUEST [=y] && VIRT_DRIVERS [=y] && AMD_MEM_ENCRYPT [=y]
>>
>> x86_64-linux-ld: crypto/aead.o: in function `crypto_register_aeads':
>>
>> Fixes: d63670d23e60 ("virt: sevguest: Rename the sevguest dir and files
>> to sev-guest")
>
> This has been present from when the driver was first added, so I think the
> correct Fixes: tag should be:
>
> Fixes: fce96cf04430 ("virt: Add SEV-SNP guest driver")
>
> Correct?
>
> Thanks,
> Tom
>
>> Signed-off-by: Arnd Bergmann <[email protected]>
>> ---
>>   drivers/virt/coco/sev-guest/Kconfig | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/virt/coco/sev-guest/Kconfig
>> b/drivers/virt/coco/sev-guest/Kconfig
>> index f9db0799ae67..da2d7ca531f0 100644
>> --- a/drivers/virt/coco/sev-guest/Kconfig
>> +++ b/drivers/virt/coco/sev-guest/Kconfig
>> @@ -2,6 +2,7 @@ config SEV_GUEST
>>       tristate "AMD SEV Guest driver"
>>       default m
>>       depends on AMD_MEM_ENCRYPT
>> +    select CRYPTO
>>       select CRYPTO_AEAD2
>>       select CRYPTO_GCM
>>       help