diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/Kconfig | 3 | ||||
| -rw-r--r-- | arch/x86/Kconfig | 5 | ||||
| -rw-r--r-- | arch/x86/mm/ioremap.c | 4 |
3 files changed, 6 insertions, 6 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 4cfb6de48f79..9f0213213da8 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -885,6 +885,9 @@ config HAVE_ARCH_PREL32_RELOCATIONS architectures, and don't require runtime relocation on relocatable kernels. +config ARCH_USE_MEMREMAP_PROT + bool + source "kernel/gcov/Kconfig" source "scripts/gcc-plugins/Kconfig" diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 68261430fe6e..a7e7a60602fb 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1510,6 +1510,7 @@ config AMD_MEM_ENCRYPT bool "AMD Secure Memory Encryption (SME) support" depends on X86_64 && CPU_SUP_AMD select DYNAMIC_PHYSICAL_MASK + select ARCH_USE_MEMREMAP_PROT ---help--- Say yes to enable support for the encryption of system memory. This requires an AMD processor that supports Secure Memory @@ -1529,10 +1530,6 @@ config AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT If set to N, then the encryption of system memory can be activated with the mem_encrypt=on command line option. -config ARCH_USE_MEMREMAP_PROT - def_bool y - depends on AMD_MEM_ENCRYPT - # Common NUMA Features config NUMA bool "Numa Memory Allocation and Scheduler Support" diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 5378d10f1d31..0029604af8a4 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -705,7 +705,7 @@ bool phys_mem_access_encrypted(unsigned long phys_addr, unsigned long size) return arch_memremap_can_ram_remap(phys_addr, size, 0); } -#ifdef CONFIG_ARCH_USE_MEMREMAP_PROT +#ifdef CONFIG_AMD_MEM_ENCRYPT /* Remap memory with encryption */ void __init *early_memremap_encrypted(resource_size_t phys_addr, unsigned long size) @@ -747,7 +747,7 @@ void __init *early_memremap_decrypted_wp(resource_size_t phys_addr, return early_memremap_prot(phys_addr, size, __PAGE_KERNEL_NOENC_WP); } -#endif /* CONFIG_ARCH_USE_MEMREMAP_PROT */ +#endif /* CONFIG_AMD_MEM_ENCRYPT */ static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss; |