Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> writes:
> On Fri, Aug 25, 2023 at 07:44:32PM +0800, kernel test robot wrote:
>>
>> All errors (new ones prefixed by >>):
>>
>> In file included from arch/powerpc/crypto/poly1305-p10-glue.c:19:
>
> ...
>
>> ae3a197e3d0bfe3 David Howells 2012-03-28 75
>> ae3a197e3d0bfe3 David Howells 2012-03-28 76 #ifdef CONFIG_VSX
>> d1e1cf2e38def30 Anton Blanchard 2015-10-29 77 extern void enable_kernel_vsx(void);
>> ae3a197e3d0bfe3 David Howells 2012-03-28 78 extern void flush_vsx_to_thread(struct task_struct *);
>> 3eb5d5888dc68c9 Anton Blanchard 2015-10-29 79 static inline void disable_kernel_vsx(void)
>> 3eb5d5888dc68c9 Anton Blanchard 2015-10-29 80 {
>> 3eb5d5888dc68c9 Anton Blanchard 2015-10-29 81 msr_check_and_clear(MSR_FP|MSR_VEC|MSR_VSX);
>> 3eb5d5888dc68c9 Anton Blanchard 2015-10-29 82 }
>> bd73758803c2eed Christophe Leroy 2021-03-09 83 #else
>> bd73758803c2eed Christophe Leroy 2021-03-09 84 static inline void enable_kernel_vsx(void)
>> bd73758803c2eed Christophe Leroy 2021-03-09 85 {
>> bd73758803c2eed Christophe Leroy 2021-03-09 @86 BUILD_BUG();
>> bd73758803c2eed Christophe Leroy 2021-03-09 87 }
>> bd73758803c2eed Christophe Leroy 2021-03-09 88
>
> ---8<---
> Add dependency on VSX as otherwise the build will fail without
> it.
>
> Fixes: 161fca7e3e90 ("crypto: powerpc - Add chacha20/poly1305-p10 to Kconfig and Makefile")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202308251906.SYawej6g-lkp@xxxxxxxxx/
> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc)
cheers
> diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig
> index f25024afdda5..7a66d7c0e6a2 100644
> --- a/arch/powerpc/crypto/Kconfig
> +++ b/arch/powerpc/crypto/Kconfig
> @@ -113,7 +113,7 @@ config CRYPTO_AES_GCM_P10
>
> config CRYPTO_CHACHA20_P10
> tristate "Ciphers: ChaCha20, XChacha20, XChacha12 (P10 or later)"
> - depends on PPC64 && CPU_LITTLE_ENDIAN
> + depends on PPC64 && CPU_LITTLE_ENDIAN && VSX
> select CRYPTO_SKCIPHER
> select CRYPTO_LIB_CHACHA_GENERIC
> select CRYPTO_ARCH_HAVE_LIB_CHACHA
> @@ -127,7 +127,7 @@ config CRYPTO_CHACHA20_P10
>
> config CRYPTO_POLY1305_P10
> tristate "Hash functions: Poly1305 (P10 or later)"
> - depends on PPC64 && CPU_LITTLE_ENDIAN
> + depends on PPC64 && CPU_LITTLE_ENDIAN && VSX
> select CRYPTO_HASH
> select CRYPTO_LIB_POLY1305_GENERIC
> help
> --
> Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
