diff options
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/assembler.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cache.h | 6 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/fpsimdmacros.h | 8 | ||||
| -rw-r--r-- | arch/arm64/include/asm/irq_work.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/kasan.h | 22 | ||||
| -rw-r--r-- | arch/arm64/include/asm/kernel-pgtable.h | 27 | ||||
| -rw-r--r-- | arch/arm64/include/asm/kvm_mmu.h | 7 | ||||
| -rw-r--r-- | arch/arm64/include/asm/memory.h | 45 | ||||
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 3 | ||||
| -rw-r--r-- | arch/arm64/include/asm/simd.h | 11 | ||||
| -rw-r--r-- | arch/arm64/include/asm/sparsemem.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/spectre.h | 4 | ||||
| -rw-r--r-- | arch/arm64/include/asm/stacktrace/common.h | 19 | ||||
| -rw-r--r-- | arch/arm64/include/asm/stacktrace/nvhe.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/thread_info.h | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/topology.h | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/unistd32.h | 10 |
19 files changed, 65 insertions, 110 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 376a980f2bad..7b1975bf4b90 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -12,7 +12,7 @@ #ifndef __ASM_ASSEMBLER_H #define __ASM_ASSEMBLER_H -#include <asm-generic/export.h> +#include <linux/export.h> #include <asm/alternative.h> #include <asm/asm-bug.h> diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h index ceb368d33bf4..06a4670bdb0b 100644 --- a/arch/arm64/include/asm/cache.h +++ b/arch/arm64/include/asm/cache.h @@ -58,7 +58,6 @@ static inline unsigned int arch_slab_minalign(void) #define CTR_L1IP(ctr) SYS_FIELD_GET(CTR_EL0, L1Ip, ctr) #define ICACHEF_ALIASING 0 -#define ICACHEF_VPIPT 1 extern unsigned long __icache_flags; /* @@ -70,11 +69,6 @@ static inline int icache_is_aliasing(void) return test_bit(ICACHEF_ALIASING, &__icache_flags); } -static __always_inline int icache_is_vpipt(void) -{ - return test_bit(ICACHEF_VPIPT, &__icache_flags); -} - static inline u32 cache_type_cwg(void) { return SYS_FIELD_GET(CTR_EL0, CWG, read_cpuid_cachetype()); diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index acf109581ac0..21c824edf8ce 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -617,6 +617,7 @@ static inline bool id_aa64pfr1_mte(u64 pfr1) return val >= ID_AA64PFR1_EL1_MTE_MTE2; } +void __init setup_boot_cpu_features(void); void __init setup_system_features(void); void __init setup_user_features(void); diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h index cdf6a35e3994..cda81d009c9b 100644 --- a/arch/arm64/include/asm/fpsimdmacros.h +++ b/arch/arm64/include/asm/fpsimdmacros.h @@ -242,14 +242,6 @@ | (\nx << 5) .endm -/* - * Zero the entire ZA array - * ZERO ZA - */ -.macro zero_za - .inst 0xc00800ff -.endm - .macro __for from:req, to:req .if (\from) == (\to) _for__body %\from diff --git a/arch/arm64/include/asm/irq_work.h b/arch/arm64/include/asm/irq_work.h index 81bbfa3a035b..a1020285ea75 100644 --- a/arch/arm64/include/asm/irq_work.h +++ b/arch/arm64/include/asm/irq_work.h @@ -2,8 +2,6 @@ #ifndef __ASM_IRQ_WORK_H #define __ASM_IRQ_WORK_H -extern void arch_irq_work_raise(void); - static inline bool arch_irq_work_has_interrupt(void) { return true; diff --git a/arch/arm64/include/asm/kasan.h b/arch/arm64/include/asm/kasan.h index 12d5f47f7dbe..7eefc525a9df 100644 --- a/arch/arm64/include/asm/kasan.h +++ b/arch/arm64/include/asm/kasan.h @@ -15,29 +15,9 @@ #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) +asmlinkage void kasan_early_init(void); void kasan_init(void); - -/* - * KASAN_SHADOW_START: beginning of the kernel virtual addresses. - * KASAN_SHADOW_END: KASAN_SHADOW_START + 1/N of kernel virtual addresses, - * where N = (1 << KASAN_SHADOW_SCALE_SHIFT). - * - * KASAN_SHADOW_OFFSET: - * This value is used to map an address to the corresponding shadow - * address by the following formula: - * shadow_addr = (address >> KASAN_SHADOW_SCALE_SHIFT) + KASAN_SHADOW_OFFSET - * - * (1 << (64 - KASAN_SHADOW_SCALE_SHIFT)) shadow addresses that lie in range - * [KASAN_SHADOW_OFFSET, KASAN_SHADOW_END) cover all 64-bits of virtual - * addresses. So KASAN_SHADOW_OFFSET should satisfy the following equation: - * KASAN_SHADOW_OFFSET = KASAN_SHADOW_END - - * (1ULL << (64 - KASAN_SHADOW_SCALE_SHIFT)) - */ -#define _KASAN_SHADOW_START(va) (KASAN_SHADOW_END - (1UL << ((va) - KASAN_SHADOW_SCALE_SHIFT))) -#define KASAN_SHADOW_START _KASAN_SHADOW_START(vabits_actual) - void kasan_copy_shadow(pgd_t *pgdir); -asmlinkage void kasan_early_init(void); #else static inline void kasan_init(void) { } diff --git a/arch/arm64/include/asm/kernel-pgtable.h b/arch/arm64/include/asm/kernel-pgtable.h index 85d26143faa5..83ddb14b95a5 100644 --- a/arch/arm64/include/asm/kernel-pgtable.h +++ b/arch/arm64/include/asm/kernel-pgtable.h @@ -37,27 +37,12 @@ /* - * If KASLR is enabled, then an offset K is added to the kernel address - * space. The bottom 21 bits of this offset are zero to guarantee 2MB - * alignment for PA and VA. - * - * For each pagetable level of the swapper, we know that the shift will - * be larger than 21 (for the 4KB granule case we use section maps thus - * the smallest shift is actually 30) thus there is the possibility that - * KASLR can increase the number of pagetable entries by 1, so we make - * room for this extra entry. - * - * Note KASLR cannot increase the number of required entries for a level - * by more than one because it increments both the virtual start and end - * addresses equally (the extra entry comes from the case where the end - * address is just pushed over a boundary and the start address isn't). + * A relocatable kernel may execute from an address that differs from the one at + * which it was linked. In the worst case, its runtime placement may intersect + * with two adjacent PGDIR entries, which means that an additional page table + * may be needed at each subordinate level. */ - -#ifdef CONFIG_RANDOMIZE_BASE -#define EARLY_KASLR (1) -#else -#define EARLY_KASLR (0) -#endif +#define EXTRA_PAGE __is_defined(CONFIG_RELOCATABLE) #define SPAN_NR_ENTRIES(vstart, vend, shift) \ ((((vend) - 1) >> (shift)) - ((vstart) >> (shift)) + 1) @@ -83,7 +68,7 @@ + EARLY_PGDS((vstart), (vend), add) /* each PGDIR needs a next level page table */ \ + EARLY_PUDS((vstart), (vend), add) /* each PUD needs a next level page table */ \ + EARLY_PMDS((vstart), (vend), add)) /* each PMD needs a next level page table */ -#define INIT_DIR_SIZE (PAGE_SIZE * EARLY_PAGES(KIMAGE_VADDR, _end, EARLY_KASLR)) +#define INIT_DIR_SIZE (PAGE_SIZE * EARLY_PAGES(KIMAGE_VADDR, _end, EXTRA_PAGE)) /* the initial ID map may need two extra pages if it needs to be extended */ #if VA_BITS < 48 diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index 49e0d4b36bd0..e3e793d0ec30 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -244,13 +244,6 @@ static inline size_t __invalidate_icache_max_range(void) static inline void __invalidate_icache_guest_page(void *va, size_t size) { /* - * VPIPT I-cache maintenance must be done from EL2. See comment in the - * nVHE flavor of __kvm_tlb_flush_vmid_ipa(). - */ - if (icache_is_vpipt() && read_sysreg(CurrentEL) != CurrentEL_EL2) - return; - - /* * Blow the whole I-cache if it is aliasing (i.e. VIPT) or the * invalidation range exceeds our arbitrary limit on invadations by * cache line. diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index fde4186cc387..d82305ab420f 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -65,15 +65,41 @@ #define KERNEL_END _end /* - * Generic and tag-based KASAN require 1/8th and 1/16th of the kernel virtual - * address space for the shadow region respectively. They can bloat the stack - * significantly, so double the (minimum) stack size when they are in use. + * Generic and Software Tag-Based KASAN modes require 1/8th and 1/16th of the + * kernel virtual address space for storing the shadow memory respectively. + * + * The mapping between a virtual memory address and its corresponding shadow + * memory address is defined based on the formula: + * + * shadow_addr = (addr >> KASAN_SHADOW_SCALE_SHIFT) + KASAN_SHADOW_OFFSET + * + * where KASAN_SHADOW_SCALE_SHIFT is the order of the number of bits that map + * to a single shadow byte and KASAN_SHADOW_OFFSET is a constant that offsets + * the mapping. Note that KASAN_SHADOW_OFFSET does not point to the start of + * the shadow memory region. + * + * Based on this mapping, we define two constants: + * + * KASAN_SHADOW_START: the start of the shadow memory region; + * KASAN_SHADOW_END: the end of the shadow memory region. + * + * KASAN_SHADOW_END is defined first as the shadow address that corresponds to + * the upper bound of possible virtual kernel memory addresses UL(1) << 64 + * according to the mapping formula. + * + * KASAN_SHADOW_START is defined second based on KASAN_SHADOW_END. The shadow + * memory start must map to the lowest possible kernel virtual memory address + * and thus it depends on the actual bitness of the address space. + * + * As KASAN inserts redzones between stack variables, this increases the stack + * memory usage significantly. Thus, we double the (minimum) stack size. */ #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) #define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL) -#define KASAN_SHADOW_END ((UL(1) << (64 - KASAN_SHADOW_SCALE_SHIFT)) \ - + KASAN_SHADOW_OFFSET) -#define PAGE_END (KASAN_SHADOW_END - (1UL << (vabits_actual - KASAN_SHADOW_SCALE_SHIFT))) +#define KASAN_SHADOW_END ((UL(1) << (64 - KASAN_SHADOW_SCALE_SHIFT)) + KASAN_SHADOW_OFFSET) +#define _KASAN_SHADOW_START(va) (KASAN_SHADOW_END - (UL(1) << ((va) - KASAN_SHADOW_SCALE_SHIFT))) +#define KASAN_SHADOW_START _KASAN_SHADOW_START(vabits_actual) +#define PAGE_END KASAN_SHADOW_START #define KASAN_THREAD_SHIFT 1 #else #define KASAN_THREAD_SHIFT 0 @@ -182,6 +208,7 @@ #include <linux/types.h> #include <asm/boot.h> #include <asm/bug.h> +#include <asm/sections.h> #if VA_BITS > 48 extern u64 vabits_actual; @@ -193,15 +220,12 @@ extern s64 memstart_addr; /* PHYS_OFFSET - the physical address of the start of memory. */ #define PHYS_OFFSET ({ VM_BUG_ON(memstart_addr & 1); memstart_addr; }) -/* the virtual base of the kernel image */ -extern u64 kimage_vaddr; - /* the offset between the kernel virtual and physical mappings */ extern u64 kimage_voffset; static inline unsigned long kaslr_offset(void) { - return kimage_vaddr - KIMAGE_VADDR; + return (u64)&_text - KIMAGE_VADDR; } #ifdef CONFIG_RANDOMIZE_BASE @@ -407,6 +431,5 @@ void dump_mem_limit(void); #define INIT_MEMBLOCK_MEMORY_REGIONS (INIT_MEMBLOCK_REGIONS * 8) #endif -#include <asm-generic/memory_model.h> #endif /* __ASM_MEMORY_H */ diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index e5bc54522e71..5b0a04810b23 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -167,6 +167,9 @@ struct thread_struct { unsigned long fault_address; /* fault info */ unsigned long fault_code; /* ESR_EL1 value */ struct debug_info debug; /* debugging */ + + struct user_fpsimd_state kernel_fpsimd_state; + unsigned int kernel_fpsimd_cpu; #ifdef CONFIG_ARM64_PTR_AUTH struct ptrauth_keys_user keys_user; #ifdef CONFIG_ARM64_PTR_AUTH_KERNEL diff --git a/arch/arm64/include/asm/simd.h b/arch/arm64/include/asm/simd.h index 6a75d7ecdcaa..8e86c9e70e48 100644 --- a/arch/arm64/include/asm/simd.h +++ b/arch/arm64/include/asm/simd.h @@ -12,8 +12,6 @@ #include <linux/preempt.h> #include <linux/types.h> -DECLARE_PER_CPU(bool, fpsimd_context_busy); - #ifdef CONFIG_KERNEL_MODE_NEON /* @@ -28,17 +26,10 @@ static __must_check inline bool may_use_simd(void) /* * We must make sure that the SVE has been initialized properly * before using the SIMD in kernel. - * fpsimd_context_busy is only set while preemption is disabled, - * and is clear whenever preemption is enabled. Since - * this_cpu_read() is atomic w.r.t. preemption, fpsimd_context_busy - * cannot change under our feet -- if it's set we cannot be - * migrated, and if it's clear we cannot be migrated to a CPU - * where it is set. */ return !WARN_ON(!system_capabilities_finalized()) && system_supports_fpsimd() && - !in_hardirq() && !irqs_disabled() && !in_nmi() && - !this_cpu_read(fpsimd_context_busy); + !in_hardirq() && !irqs_disabled() && !in_nmi(); } #else /* ! CONFIG_KERNEL_MODE_NEON */ diff --git a/arch/arm64/include/asm/sparsemem.h b/arch/arm64/include/asm/sparsemem.h index 5f5437621029..8a8acc220371 100644 --- a/arch/arm64/include/asm/sparsemem.h +++ b/arch/arm64/include/asm/sparsemem.h @@ -10,7 +10,7 @@ /* * Section size must be at least 512MB for 64K base * page size config. Otherwise it will be less than - * MAX_ORDER and the build process will fail. + * MAX_PAGE_ORDER and the build process will fail. */ #ifdef CONFIG_ARM64_64K_PAGES #define SECTION_SIZE_BITS 29 diff --git a/arch/arm64/include/asm/spectre.h b/arch/arm64/include/asm/spectre.h index 06c357d83b13..0c4d9045c31f 100644 --- a/arch/arm64/include/asm/spectre.h +++ b/arch/arm64/include/asm/spectre.h @@ -13,8 +13,8 @@ #define __BP_HARDEN_HYP_VECS_SZ ((BP_HARDEN_EL2_SLOTS - 1) * SZ_2K) #ifndef __ASSEMBLY__ - -#include <linux/percpu.h> +#include <linux/smp.h> +#include <asm/percpu.h> #include <asm/cpufeature.h> #include <asm/virt.h> diff --git a/arch/arm64/include/asm/stacktrace/common.h b/arch/arm64/include/asm/stacktrace/common.h index 508f734de46e..f63dc654e545 100644 --- a/arch/arm64/include/asm/stacktrace/common.h +++ b/arch/arm64/include/asm/stacktrace/common.h @@ -9,7 +9,6 @@ #ifndef __ASM_STACKTRACE_COMMON_H #define __ASM_STACKTRACE_COMMON_H -#include <linux/kprobes.h> #include <linux/types.h> struct stack_info { @@ -23,12 +22,6 @@ struct stack_info { * @fp: The fp value in the frame record (or the real fp) * @pc: The lr value in the frame record (or the real lr) * - * @kr_cur: When KRETPROBES is selected, holds the kretprobe instance - * associated with the most recently encountered replacement lr - * value. - * - * @task: The task being unwound. - * * @stack: The stack currently being unwound. * @stacks: An array of stacks which can be unwound. * @nr_stacks: The number of stacks in @stacks. @@ -36,10 +29,6 @@ struct stack_info { struct unwind_state { unsigned long fp; unsigned long pc; -#ifdef CONFIG_KRETPROBES - struct llist_node *kr_cur; -#endif - struct task_struct *task; struct stack_info stack; struct stack_info *stacks; @@ -66,14 +55,8 @@ static inline bool stackinfo_on_stack(const struct stack_info *info, return true; } -static inline void unwind_init_common(struct unwind_state *state, - struct task_struct *task) +static inline void unwind_init_common(struct unwind_state *state) { - state->task = task; -#ifdef CONFIG_KRETPROBES - state->kr_cur = NULL; -#endif - state->stack = stackinfo_get_unknown(); } diff --git a/arch/arm64/include/asm/stacktrace/nvhe.h b/arch/arm64/include/asm/stacktrace/nvhe.h index 25ab83a315a7..44759281d0d4 100644 --- a/arch/arm64/include/asm/stacktrace/nvhe.h +++ b/arch/arm64/include/asm/stacktrace/nvhe.h @@ -31,7 +31,7 @@ static inline void kvm_nvhe_unwind_init(struct unwind_state *state, unsigned long fp, unsigned long pc) { - unwind_init_common(state, NULL); + unwind_init_common(state); state->fp = fp; state->pc = pc; diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h index 553d1bc559c6..e72a3bf9e563 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -80,6 +80,7 @@ void arch_setup_new_exec(void); #define TIF_TAGGED_ADDR 26 /* Allow tagged user addresses */ #define TIF_SME 27 /* SME in use */ #define TIF_SME_VL_INHERIT 28 /* Inherit SME vl_onexec across exec */ +#define TIF_KERNEL_FPSTATE 29 /* Task is in a kernel mode FPSIMD section */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h index 9fab663dd2de..a323b109b9c4 100644 --- a/arch/arm64/include/asm/topology.h +++ b/arch/arm64/include/asm/topology.h @@ -23,6 +23,7 @@ void update_freq_counters_refs(void); #define arch_set_freq_scale topology_set_freq_scale #define arch_scale_freq_capacity topology_get_freq_scale #define arch_scale_freq_invariant topology_scale_freq_invariant +#define arch_scale_freq_ref topology_get_freq_ref #ifdef CONFIG_ACPI_CPPC_LIB #define arch_init_invariance_cppc topology_init_cpu_capacity_cppc diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 531effca5f1f..491b2b9bd553 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -39,7 +39,7 @@ #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5) #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800) -#define __NR_compat_syscalls 457 +#define __NR_compat_syscalls 462 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 9f7c1bf99526..7118282d1c79 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -919,6 +919,16 @@ __SYSCALL(__NR_futex_wake, sys_futex_wake) __SYSCALL(__NR_futex_wait, sys_futex_wait) #define __NR_futex_requeue 456 __SYSCALL(__NR_futex_requeue, sys_futex_requeue) +#define __NR_statmount 457 +__SYSCALL(__NR_statmount, sys_statmount) +#define __NR_listmount 458 +__SYSCALL(__NR_listmount, sys_listmount) +#define __NR_lsm_get_self_attr 459 +__SYSCALL(__NR_lsm_get_self_attr, sys_lsm_get_self_attr) +#define __NR_lsm_set_self_attr 460 +__SYSCALL(__NR_lsm_set_self_attr, sys_lsm_set_self_attr) +#define __NR_lsm_list_modules 461 +__SYSCALL(__NR_lsm_list_modules, sys_lsm_list_modules) /* * Please add new compat syscalls above this comment and update |