diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/kasan.h | 9 | ||||
| -rw-r--r-- | arch/x86/include/asm/page_64_types.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_64_types.h | 6 | ||||
| -rw-r--r-- | arch/x86/include/asm/sparsemem.h | 9 |
5 files changed, 30 insertions, 5 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8977d9c77373..a641b900fc1f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -291,6 +291,7 @@ config ARCH_SUPPORTS_DEBUG_PAGEALLOC config KASAN_SHADOW_OFFSET hex depends on KASAN + default 0xdff8000000000000 if X86_5LEVEL default 0xdffffc0000000000 config HAVE_INTEL_TXT diff --git a/arch/x86/include/asm/kasan.h b/arch/x86/include/asm/kasan.h index 1410b567ecde..f527b02a0ee3 100644 --- a/arch/x86/include/asm/kasan.h +++ b/arch/x86/include/asm/kasan.h @@ -11,9 +11,12 @@ * 'kernel address space start' >> KASAN_SHADOW_SCALE_SHIFT */ #define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \ - (0xffff800000000000ULL >> 3)) -/* 47 bits for kernel address -> (47 - 3) bits for shadow */ -#define KASAN_SHADOW_END (KASAN_SHADOW_START + (1ULL << (47 - 3))) + ((-1UL << __VIRTUAL_MASK_SHIFT) >> 3)) +/* + * 47 bits for kernel address -> (47 - 3) bits for shadow + * 56 bits for kernel address -> (56 - 3) bits for shadow + */ +#define KASAN_SHADOW_END (KASAN_SHADOW_START + (1ULL << (__VIRTUAL_MASK_SHIFT - 3))) #ifndef __ASSEMBLY__ diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h index 9215e0527647..3f5f08b010d0 100644 --- a/arch/x86/include/asm/page_64_types.h +++ b/arch/x86/include/asm/page_64_types.h @@ -36,7 +36,12 @@ * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's * what Xen requires. */ +#ifdef CONFIG_X86_5LEVEL +#define __PAGE_OFFSET_BASE _AC(0xff10000000000000, UL) +#else #define __PAGE_OFFSET_BASE _AC(0xffff880000000000, UL) +#endif + #ifdef CONFIG_RANDOMIZE_MEMORY #define __PAGE_OFFSET page_offset_base #else @@ -46,8 +51,13 @@ #define __START_KERNEL_map _AC(0xffffffff80000000, UL) /* See Documentation/x86/x86_64/mm.txt for a description of the memory map. */ +#ifdef CONFIG_X86_5LEVEL +#define __PHYSICAL_MASK_SHIFT 52 +#define __VIRTUAL_MASK_SHIFT 56 +#else #define __PHYSICAL_MASK_SHIFT 46 #define __VIRTUAL_MASK_SHIFT 47 +#endif /* * Kernel image size is limited to 1GiB due to the fixmap living in the diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h index 516593e66bd6..4edc97917382 100644 --- a/arch/x86/include/asm/pgtable_64_types.h +++ b/arch/x86/include/asm/pgtable_64_types.h @@ -56,9 +56,15 @@ typedef struct { pteval_t pte; } pte_t; /* See Documentation/x86/x86_64/mm.txt for a description of the memory map. */ #define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) +#ifdef CONFIG_X86_5LEVEL +#define VMALLOC_SIZE_TB _AC(16384, UL) +#define __VMALLOC_BASE _AC(0xff92000000000000, UL) +#define __VMEMMAP_BASE _AC(0xffd4000000000000, UL) +#else #define VMALLOC_SIZE_TB _AC(32, UL) #define __VMALLOC_BASE _AC(0xffffc90000000000, UL) #define __VMEMMAP_BASE _AC(0xffffea0000000000, UL) +#endif #ifdef CONFIG_RANDOMIZE_MEMORY #define VMALLOC_START vmalloc_base #define VMEMMAP_START vmemmap_base diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h index 4517d6b93188..1f5bee2c202f 100644 --- a/arch/x86/include/asm/sparsemem.h +++ b/arch/x86/include/asm/sparsemem.h @@ -26,8 +26,13 @@ # endif #else /* CONFIG_X86_32 */ # define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */ -# define MAX_PHYSADDR_BITS 44 -# define MAX_PHYSMEM_BITS 46 +# ifdef CONFIG_X86_5LEVEL +# define MAX_PHYSADDR_BITS 52 +# define MAX_PHYSMEM_BITS 52 +# else +# define MAX_PHYSADDR_BITS 44 +# define MAX_PHYSMEM_BITS 46 +# endif #endif #endif /* CONFIG_SPARSEMEM */ |