diff options
Diffstat (limited to 'arch/riscv/kernel')
-rw-r--r-- | arch/riscv/kernel/asm-offsets.c | 28 | ||||
-rw-r--r-- | arch/riscv/kernel/ftrace.c | 2 | ||||
-rw-r--r-- | arch/riscv/kernel/setup.c | 2 | ||||
-rw-r--r-- | arch/riscv/kernel/sys_hwprobe.c | 2 | ||||
-rw-r--r-- | arch/riscv/kernel/vdso.c | 52 | ||||
-rw-r--r-- | arch/riscv/kernel/vdso/hwprobe.c | 4 |
6 files changed, 36 insertions, 54 deletions
diff --git a/arch/riscv/kernel/asm-offsets.c b/arch/riscv/kernel/asm-offsets.c index c2f3129a8e5c..e89455a6a0e5 100644 --- a/arch/riscv/kernel/asm-offsets.c +++ b/arch/riscv/kernel/asm-offsets.c @@ -496,19 +496,19 @@ void asm_offsets(void) OFFSET(STACKFRAME_RA, stackframe, ra); #ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS - DEFINE(FREGS_SIZE_ON_STACK, ALIGN(sizeof(struct ftrace_regs), STACK_ALIGN)); - DEFINE(FREGS_EPC, offsetof(struct ftrace_regs, epc)); - DEFINE(FREGS_RA, offsetof(struct ftrace_regs, ra)); - DEFINE(FREGS_SP, offsetof(struct ftrace_regs, sp)); - DEFINE(FREGS_S0, offsetof(struct ftrace_regs, s0)); - DEFINE(FREGS_T1, offsetof(struct ftrace_regs, t1)); - DEFINE(FREGS_A0, offsetof(struct ftrace_regs, a0)); - DEFINE(FREGS_A1, offsetof(struct ftrace_regs, a1)); - DEFINE(FREGS_A2, offsetof(struct ftrace_regs, a2)); - DEFINE(FREGS_A3, offsetof(struct ftrace_regs, a3)); - DEFINE(FREGS_A4, offsetof(struct ftrace_regs, a4)); - DEFINE(FREGS_A5, offsetof(struct ftrace_regs, a5)); - DEFINE(FREGS_A6, offsetof(struct ftrace_regs, a6)); - DEFINE(FREGS_A7, offsetof(struct ftrace_regs, a7)); + DEFINE(FREGS_SIZE_ON_STACK, ALIGN(sizeof(struct __arch_ftrace_regs), STACK_ALIGN)); + DEFINE(FREGS_EPC, offsetof(struct __arch_ftrace_regs, epc)); + DEFINE(FREGS_RA, offsetof(struct __arch_ftrace_regs, ra)); + DEFINE(FREGS_SP, offsetof(struct __arch_ftrace_regs, sp)); + DEFINE(FREGS_S0, offsetof(struct __arch_ftrace_regs, s0)); + DEFINE(FREGS_T1, offsetof(struct __arch_ftrace_regs, t1)); + DEFINE(FREGS_A0, offsetof(struct __arch_ftrace_regs, a0)); + DEFINE(FREGS_A1, offsetof(struct __arch_ftrace_regs, a1)); + DEFINE(FREGS_A2, offsetof(struct __arch_ftrace_regs, a2)); + DEFINE(FREGS_A3, offsetof(struct __arch_ftrace_regs, a3)); + DEFINE(FREGS_A4, offsetof(struct __arch_ftrace_regs, a4)); + DEFINE(FREGS_A5, offsetof(struct __arch_ftrace_regs, a5)); + DEFINE(FREGS_A6, offsetof(struct __arch_ftrace_regs, a6)); + DEFINE(FREGS_A7, offsetof(struct __arch_ftrace_regs, a7)); #endif } diff --git a/arch/riscv/kernel/ftrace.c b/arch/riscv/kernel/ftrace.c index 4b95c574fd04..5081ad886841 100644 --- a/arch/riscv/kernel/ftrace.c +++ b/arch/riscv/kernel/ftrace.c @@ -214,7 +214,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, void ftrace_graph_func(unsigned long ip, unsigned long parent_ip, struct ftrace_ops *op, struct ftrace_regs *fregs) { - prepare_ftrace_return(&fregs->ra, ip, fregs->s0); + prepare_ftrace_return(&arch_ftrace_regs(fregs)->ra, ip, arch_ftrace_regs(fregs)->s0); } #else /* CONFIG_DYNAMIC_FTRACE_WITH_ARGS */ extern void ftrace_graph_call(void); diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index a2cde65b69e9..26c886db4fb3 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -227,7 +227,7 @@ static void __init init_resources(void) static void __init parse_dtb(void) { /* Early scan of device tree from init memory */ - if (early_init_dt_scan(dtb_early_va)) { + if (early_init_dt_scan(dtb_early_va, __pa(dtb_early_va))) { const char *name = of_flat_dt_get_machine_name(); if (name) { diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c index cea0ca2bf2a2..711a31f27c3d 100644 --- a/arch/riscv/kernel/sys_hwprobe.c +++ b/arch/riscv/kernel/sys_hwprobe.c @@ -402,7 +402,7 @@ static int do_riscv_hwprobe(struct riscv_hwprobe __user *pairs, static int __init init_hwprobe_vdso_data(void) { struct vdso_data *vd = __arch_get_k_vdso_data(); - struct arch_vdso_data *avd = &vd->arch_data; + struct arch_vdso_time_data *avd = &vd->arch_data; u64 id_bitsmash = 0; struct riscv_hwprobe pair; int key; diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c index 98315b98256d..3ca3ae4277e1 100644 --- a/arch/riscv/kernel/vdso.c +++ b/arch/riscv/kernel/vdso.c @@ -23,11 +23,6 @@ enum vvar_pages { VVAR_NR_PAGES, }; -enum rv_vdso_map { - RV_VDSO_MAP_VVAR, - RV_VDSO_MAP_VDSO, -}; - #define VVAR_SIZE (VVAR_NR_PAGES << PAGE_SHIFT) static union vdso_data_store vdso_data_store __page_aligned_data; @@ -38,8 +33,6 @@ struct __vdso_info { const char *vdso_code_start; const char *vdso_code_end; unsigned long vdso_pages; - /* Data Mapping */ - struct vm_special_mapping *dm; /* Code Mapping */ struct vm_special_mapping *cm; }; @@ -92,6 +85,8 @@ struct vdso_data *arch_get_vdso_data(void *vvar_page) return (struct vdso_data *)(vvar_page); } +static const struct vm_special_mapping rv_vvar_map; + /* * The vvar mapping contains data for a specific time namespace, so when a task * changes namespace we must unmap its vvar data for the old namespace. @@ -108,12 +103,8 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) mmap_read_lock(mm); for_each_vma(vmi, vma) { - if (vma_is_special_mapping(vma, vdso_info.dm)) - zap_vma_pages(vma); -#ifdef CONFIG_COMPAT - if (vma_is_special_mapping(vma, compat_vdso_info.dm)) + if (vma_is_special_mapping(vma, &rv_vvar_map)) zap_vma_pages(vma); -#endif } mmap_read_unlock(mm); @@ -155,43 +146,34 @@ static vm_fault_t vvar_fault(const struct vm_special_mapping *sm, return vmf_insert_pfn(vma, vmf->address, pfn); } -static struct vm_special_mapping rv_vdso_maps[] __ro_after_init = { - [RV_VDSO_MAP_VVAR] = { - .name = "[vvar]", - .fault = vvar_fault, - }, - [RV_VDSO_MAP_VDSO] = { - .name = "[vdso]", - .mremap = vdso_mremap, - }, +static const struct vm_special_mapping rv_vvar_map = { + .name = "[vvar]", + .fault = vvar_fault, +}; + +static struct vm_special_mapping rv_vdso_map __ro_after_init = { + .name = "[vdso]", + .mremap = vdso_mremap, }; static struct __vdso_info vdso_info __ro_after_init = { .name = "vdso", .vdso_code_start = vdso_start, .vdso_code_end = vdso_end, - .dm = &rv_vdso_maps[RV_VDSO_MAP_VVAR], - .cm = &rv_vdso_maps[RV_VDSO_MAP_VDSO], + .cm = &rv_vdso_map, }; #ifdef CONFIG_COMPAT -static struct vm_special_mapping rv_compat_vdso_maps[] __ro_after_init = { - [RV_VDSO_MAP_VVAR] = { - .name = "[vvar]", - .fault = vvar_fault, - }, - [RV_VDSO_MAP_VDSO] = { - .name = "[vdso]", - .mremap = vdso_mremap, - }, +static struct vm_special_mapping rv_compat_vdso_map __ro_after_init = { + .name = "[vdso]", + .mremap = vdso_mremap, }; static struct __vdso_info compat_vdso_info __ro_after_init = { .name = "compat_vdso", .vdso_code_start = compat_vdso_start, .vdso_code_end = compat_vdso_end, - .dm = &rv_compat_vdso_maps[RV_VDSO_MAP_VVAR], - .cm = &rv_compat_vdso_maps[RV_VDSO_MAP_VDSO], + .cm = &rv_compat_vdso_map, }; #endif @@ -227,7 +209,7 @@ static int __setup_additional_pages(struct mm_struct *mm, } ret = _install_special_mapping(mm, vdso_base, VVAR_SIZE, - (VM_READ | VM_MAYREAD | VM_PFNMAP), vdso_info->dm); + (VM_READ | VM_MAYREAD | VM_PFNMAP), &rv_vvar_map); if (IS_ERR(ret)) goto up_fail; diff --git a/arch/riscv/kernel/vdso/hwprobe.c b/arch/riscv/kernel/vdso/hwprobe.c index 1e926e4b5881..a158c029344f 100644 --- a/arch/riscv/kernel/vdso/hwprobe.c +++ b/arch/riscv/kernel/vdso/hwprobe.c @@ -17,7 +17,7 @@ static int riscv_vdso_get_values(struct riscv_hwprobe *pairs, size_t pair_count, unsigned int flags) { const struct vdso_data *vd = __arch_get_vdso_data(); - const struct arch_vdso_data *avd = &vd->arch_data; + const struct arch_vdso_time_data *avd = &vd->arch_data; bool all_cpus = !cpusetsize && !cpus; struct riscv_hwprobe *p = pairs; struct riscv_hwprobe *end = pairs + pair_count; @@ -52,7 +52,7 @@ static int riscv_vdso_get_cpus(struct riscv_hwprobe *pairs, size_t pair_count, unsigned int flags) { const struct vdso_data *vd = __arch_get_vdso_data(); - const struct arch_vdso_data *avd = &vd->arch_data; + const struct arch_vdso_time_data *avd = &vd->arch_data; struct riscv_hwprobe *p = pairs; struct riscv_hwprobe *end = pairs + pair_count; unsigned char *c = (unsigned char *)cpus; |