diff --git a/arch/Kconfig b/arch/Kconfig index 6801123932a503ba64bcf1c9dfbb7877fff0f094..3e8493a3a429aa52569ba219b10c3df04b6cac34 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -862,6 +862,9 @@ 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 53a383f6308c3dc2b95db7fb7cd5d1a660e381b9..2f9fbd647aa612f186f65665aee1d2da002b6b45 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1488,6 +1488,7 @@ 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 @@ -1507,10 +1508,6 @@ 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 c63a545ec199547776ae8dce2d4258955c68d5f4..adc77904fc3ed32ab66ba27f1b8a07d9123f7cb6 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -697,7 +697,7 @@ 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) @@ -739,7 +739,7 @@ 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;