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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@linux.ibm.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190806044919.10622-2-bauerman@linux.ibm.com
alistair/sunxi64-5.4-dsi
Thiago Jung Bauermann 2019-08-06 01:49:14 -03:00 committed by Michael Ellerman
parent 609488bc97
commit 0c9c1d5639
3 changed files with 5 additions and 6 deletions
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3
arch/Kconfig
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@ -925,6 +925,9 @@ config LOCK_EVENT_COUNTS
the chance of application behavior change because of timing the chance of application behavior change because of timing
differences. The counts are reported via debugfs. differences. The counts are reported via debugfs.
config ARCH_HAS_MEM_ENCRYPT
bool
source "kernel/gcov/Kconfig" source "kernel/gcov/Kconfig"
source "scripts/gcc-plugins/Kconfig" source "scripts/gcc-plugins/Kconfig"

4
arch/s390/Kconfig
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@ -1,7 +1,4 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
config ARCH_HAS_MEM_ENCRYPT
def_bool y
config MMU config MMU
def_bool y def_bool y
@ -68,6 +65,7 @@ config S390
select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_GIGANTIC_PAGE select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_KCOV select ARCH_HAS_KCOV
select ARCH_HAS_MEM_ENCRYPT
select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_SET_MEMORY select ARCH_HAS_SET_MEMORY
select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_KERNEL_RWX

4
arch/x86/Kconfig
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@ -68,6 +68,7 @@ config X86
select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_FORTIFY_SOURCE
select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_KCOV if X86_64 select ARCH_HAS_KCOV if X86_64
select ARCH_HAS_MEM_ENCRYPT
select ARCH_HAS_MEMBARRIER_SYNC_CORE select ARCH_HAS_MEMBARRIER_SYNC_CORE
select ARCH_HAS_PMEM_API if X86_64 select ARCH_HAS_PMEM_API if X86_64
select ARCH_HAS_PTE_DEVMAP if X86_64 select ARCH_HAS_PTE_DEVMAP if X86_64
@ -1518,9 +1519,6 @@ config X86_CPA_STATISTICS
helps to determine the effectiveness of preserving large and huge helps to determine the effectiveness of preserving large and huge
page mappings when mapping protections are changed. page mappings when mapping protections are changed.
config ARCH_HAS_MEM_ENCRYPT
def_bool y
config AMD_MEM_ENCRYPT config AMD_MEM_ENCRYPT
bool "AMD Secure Memory Encryption (SME) support" bool "AMD Secure Memory Encryption (SME) support"
depends on X86_64 && CPU_SUP_AMD depends on X86_64 && CPU_SUP_AMD