From: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu, 11 Jan 2018 12:10:38 +0000 (+0100)
Subject: KVM: x86: prefer "depends on" to "select" for SEV
X-Git-Tag: v4.16-rc1~10^2~37
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=505c9e94d8329dc215617cf99505629e924f001e;p=thirdparty%2Fkernel%2Flinux.git

KVM: x86: prefer "depends on" to "select" for SEV

Avoid reverse dependencies.  Instead, SEV will only be enabled if
the PSP driver is available.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
---

diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 148ea324b90c4..92fd433c50b9b 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -85,9 +85,7 @@ config KVM_AMD_SEV
 	def_bool y
 	bool "AMD Secure Encrypted Virtualization (SEV) support"
 	depends on KVM_AMD && X86_64
-	select CRYPTO_DEV_CCP
-	select CRYPTO_DEV_CCP_DD
-	select CRYPTO_DEV_SP_PSP
+	depends on CRYPTO_DEV_CCP && CRYPTO_DEV_CCP_DD && CRYPTO_DEV_SP_PSP
 	---help---
 	Provides support for launching Encrypted VMs on AMD processors.