On 9/30/17 3:30 AM, Borislav Petkov wrote: ... > From: Borislav Petkov <bp@xxxxxxx> > > This is AMD-specific hardware so present it in Kconfig only when AMD > CPU support is enabled. > > Signed-off-by: Borislav Petkov <bp@xxxxxxx> > Cc: Brijesh Singh <brijesh.singh@xxxxxxx> > Cc: Tom Lendacky <thomas.lendacky@xxxxxxx> > Cc: Gary Hook <gary.hook@xxxxxxx> > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> > Cc: linux-crypto@xxxxxxxxxxxxxxx > --- > drivers/crypto/ccp/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/crypto/ccp/Kconfig b/drivers/crypto/ccp/Kconfig > index 627f3e61dcac..f58a6521270b 100644 > --- a/drivers/crypto/ccp/Kconfig > +++ b/drivers/crypto/ccp/Kconfig > @@ -1,5 +1,6 @@ > config CRYPTO_DEV_CCP_DD > tristate "Secure Processor device driver" > + depends on CPU_SUP_AMD Please note that ccp.ko is built on both x86 and aarch64 (AMD Seattle) architectures. I have not looked into details but I thought CPU_SUP_AMD is x64 specific config. I will look into it and verify that we don't break AMD Seattle platform builds. > default m > help > Provides AMD Secure Processor device driver.