On 2021/2/5 19:44, Herbert Xu write: > On Fri, Feb 05, 2021 at 06:10:57PM +0800, Longfang Liu wrote: >> If this configuration item is not turned on, >> the allocation of crypto_tfm will fail when >> the shash algorithm calculates the hash >> through the software. >> >> Signed-off-by: Longfang Liu <liulongfang@xxxxxxxxxx> >> --- >> arch/arm64/configs/defconfig | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig >> index 8383016..7cfc9b6 100644 >> --- a/arch/arm64/configs/defconfig >> +++ b/arch/arm64/configs/defconfig >> @@ -117,7 +117,7 @@ CONFIG_KVM=y >> CONFIG_ARM64_CRYPTO=y >> CONFIG_CRYPTO_SHA1_ARM64_CE=y >> CONFIG_CRYPTO_SHA2_ARM64_CE=y >> -CONFIG_CRYPTO_SHA512_ARM64_CE=m >> +CONFIG_CRYPTO_SHA512_ARM64_CE=y > > If this is truly needed then it should be enabled through Kconfig. > > Cheers, > Hi Herbert, The option select CRYPTO_SHA512 already exists in Kconfig. Can I change it to this: select CRYPTO_SHA512 || CRYPTO_SHA512_ARM64_CE Thanks, Longfang Liu.