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Message-Id: <20190713044554.28719-2-bauerman@linux.ibm.com>
Date: Sat, 13 Jul 2019 01:45:52 -0300
From: Thiago Jung Bauermann <bauerman@...ux.ibm.com>
To: x86@...nel.org
Cc: iommu@...ts.linux-foundation.org, linux-fsdevel@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>, Christoph Hellwig <hch@....de>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Robin Murphy <robin.murphy@....com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Alexey Dobriyan <adobriyan@...il.com>,
Thomas Lendacky <Thomas.Lendacky@....com>,
Halil Pasic <pasic@...ux.ibm.com>,
Mike Anderson <andmike@...ux.ibm.com>,
Ram Pai <linuxram@...ibm.com>,
Thiago Jung Bauermann <bauerman@...ux.ibm.com>
Subject: [PATCH 1/3] x86,s390: Move ARCH_HAS_MEM_ENCRYPT definition to arch/Kconfig
powerpc is also going to use this feature, so put it in a generic location.
Signed-off-by: Thiago Jung Bauermann <bauerman@...ux.ibm.com>
Reviewed-by: Thomas Gleixner <tglx@...utronix.de>
---
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
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