[PATCH 1/3] x86,s390: Move ARCH_HAS_MEM_ENCRYPT definition to arch/Kconfig
From: Thiago Jung Bauermann
Date: Sat Jul 13 2019 - 00:46:35 EST
powerpc is also going to use this feature, so put it in a generic location.
Signed-off-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx>
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/Kconfig | 3 +++
arch/s390/Kconfig | 3 ---
arch/x86/Kconfig | 4 +---
3 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/arch/Kconfig b/arch/Kconfig
index c47b328eada0..4ef3499d4480 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -927,6 +927,9 @@ config LOCK_EVENT_COUNTS
the chance of application behavior change because of timing
differences. The counts are reported via debugfs.
+config ARCH_HAS_MEM_ENCRYPT
+ bool
+
source "kernel/gcov/Kconfig"
source "scripts/gcc-plugins/Kconfig"
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 5d8570ed6cab..f820e631bf89 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -1,7 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
-config ARCH_HAS_MEM_ENCRYPT
- def_bool y
-
config MMU
def_bool y
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index c9f331bb538b..5d3295f2df94 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -68,6 +68,7 @@ config X86
select ARCH_HAS_FORTIFY_SOURCE
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_KCOV if X86_64
+ select ARCH_HAS_MEM_ENCRYPT
select ARCH_HAS_MEMBARRIER_SYNC_CORE
select ARCH_HAS_PMEM_API if X86_64
select ARCH_HAS_PTE_SPECIAL
@@ -1520,9 +1521,6 @@ config X86_CPA_STATISTICS
helps to determine the effectiveness of preserving large and huge
page mappings when mapping protections are changed.
-config ARCH_HAS_MEM_ENCRYPT
- def_bool y
-
config AMD_MEM_ENCRYPT
bool "AMD Secure Memory Encryption (SME) support"
depends on X86_64 && CPU_SUP_AMD