Commit 0c9c1d56 authored by Thiago Jung Bauermann's avatar Thiago Jung Bauermann Committed by Michael Ellerman
Browse files

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: default avatarThiago Jung Bauermann <bauerman@linux.ibm.com>
Reviewed-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190806044919.10622-2-bauerman@linux.ibm.com
parent 609488bc

arch/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -925,6 +925,9 @@ 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"

arch/s390/Kconfig

+1 −3
Original line number Diff line number Diff line 
# 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

arch/x86/Kconfig

+1 −3
Original line number Diff line number Diff line
@@ -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_DEVMAP		if X86_64
@@ -1518,9 +1519,6 @@ 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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