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-rw-r--r--arch/riscv/kernel/asm-offsets.c28
-rw-r--r--arch/riscv/kernel/ftrace.c2
-rw-r--r--arch/riscv/kernel/setup.c2
-rw-r--r--arch/riscv/kernel/sys_hwprobe.c2
-rw-r--r--arch/riscv/kernel/vdso.c52
-rw-r--r--arch/riscv/kernel/vdso/hwprobe.c4
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;
generated by cgit (git 2.34.1) at 2025-05-30 18:27:54 +0000