[PATCH v3 1/6] x86, s390: Move ARCH_HAS_MEM_ENCRYPT definition to arch/Kconfig
From: Thiago Jung Bauermann <hidden>
Date: 2019-07-18 03:29:30
Also in:
linux-fsdevel, linux-iommu, linux-s390, lkml
Subsystem:
s390 architecture, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Heiko Carstens, Vasily Gorbik, Alexander Gordeev, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
powerpc is also going to use this feature, so put it in a generic location. Signed-off-by: Thiago Jung Bauermann <redacted> Reviewed-by: Thomas Gleixner <redacted> Reviewed-by: Christoph Hellwig <hch@lst.de> --- arch/Kconfig | 3 +++ arch/s390/Kconfig | 4 +--- arch/x86/Kconfig | 4 +--- 3 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/Kconfig b/arch/Kconfig
index e8d19c3cb91f..8fc285180848 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig@@ -935,6 +935,9 @@ 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 a4ad2733eedf..f43319c44454 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
@@ -68,6 +65,7 @@ config S390 select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_GIGANTIC_PAGE select ARCH_HAS_KCOV + select ARCH_HAS_MEM_ENCRYPT select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_SET_MEMORY select ARCH_HAS_STRICT_KERNEL_RWX
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