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-rw-r--r--arch/riscv/kernel/Makefile5
-rw-r--r--arch/riscv/kernel/acpi.c4
-rw-r--r--arch/riscv/kernel/alternative.c2
-rw-r--r--arch/riscv/kernel/asm-offsets.c30
-rw-r--r--arch/riscv/kernel/cacheinfo.c7
-rw-r--r--arch/riscv/kernel/cpu-hotplug.c2
-rw-r--r--arch/riscv/kernel/cpufeature.c3
-rw-r--r--arch/riscv/kernel/efi-header.S2
-rw-r--r--arch/riscv/kernel/ftrace.c4
-rw-r--r--arch/riscv/kernel/jump_label.c2
-rw-r--r--arch/riscv/kernel/patch.c2
-rw-r--r--arch/riscv/kernel/perf_callchain.c10
-rw-r--r--arch/riscv/kernel/pi/Makefile6
-rw-r--r--arch/riscv/kernel/probes/kprobes.c2
-rw-r--r--arch/riscv/kernel/setup.c2
-rw-r--r--arch/riscv/kernel/sys_hwprobe.c2
-rw-r--r--arch/riscv/kernel/traps_misaligned.c2
-rw-r--r--arch/riscv/kernel/vdso.c52
-rw-r--r--arch/riscv/kernel/vdso/hwprobe.c4
19 files changed, 72 insertions, 71 deletions
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index 30db92672ada..063d1faf5a53 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -36,6 +36,11 @@ KASAN_SANITIZE_alternative.o := n
KASAN_SANITIZE_cpufeature.o := n
KASAN_SANITIZE_sbi_ecall.o := n
endif
+ifdef CONFIG_FORTIFY_SOURCE
+CFLAGS_alternative.o += -D__NO_FORTIFY
+CFLAGS_cpufeature.o += -D__NO_FORTIFY
+CFLAGS_sbi_ecall.o += -D__NO_FORTIFY
+endif
endif
extra-y += vmlinux.lds
diff --git a/arch/riscv/kernel/acpi.c b/arch/riscv/kernel/acpi.c
index 6e0d333f57e5..2fd29695a788 100644
--- a/arch/riscv/kernel/acpi.c
+++ b/arch/riscv/kernel/acpi.c
@@ -210,7 +210,7 @@ void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size)
if (!size)
return NULL;
- return early_ioremap(phys, size);
+ return early_memremap(phys, size);
}
void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
@@ -218,7 +218,7 @@ void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
if (!map || !size)
return;
- early_iounmap(map, size);
+ early_memunmap(map, size);
}
void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
diff --git a/arch/riscv/kernel/alternative.c b/arch/riscv/kernel/alternative.c
index 0128b161bfda..7eb3cb1215c6 100644
--- a/arch/riscv/kernel/alternative.c
+++ b/arch/riscv/kernel/alternative.c
@@ -18,7 +18,7 @@
#include <asm/sbi.h>
#include <asm/csr.h>
#include <asm/insn.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
struct cpu_manufacturer_info_t {
unsigned long vendor_id;
diff --git a/arch/riscv/kernel/asm-offsets.c b/arch/riscv/kernel/asm-offsets.c
index e94180ba432f..e89455a6a0e5 100644
--- a/arch/riscv/kernel/asm-offsets.c
+++ b/arch/riscv/kernel/asm-offsets.c
@@ -4,8 +4,6 @@
* Copyright (C) 2017 SiFive
*/
-#define GENERATING_ASM_OFFSETS
-
#include <linux/kbuild.h>
#include <linux/mm.h>
#include <linux/sched.h>
@@ -498,19 +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/cacheinfo.c b/arch/riscv/kernel/cacheinfo.c
index b320b1d9aa01..2d40736fc37c 100644
--- a/arch/riscv/kernel/cacheinfo.c
+++ b/arch/riscv/kernel/cacheinfo.c
@@ -80,8 +80,7 @@ int populate_cache_leaves(unsigned int cpu)
{
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
struct cacheinfo *this_leaf = this_cpu_ci->info_list;
- struct device_node *np = of_cpu_device_node_get(cpu);
- struct device_node *prev = NULL;
+ struct device_node *np, *prev;
int levels = 1, level = 1;
if (!acpi_disabled) {
@@ -105,6 +104,10 @@ int populate_cache_leaves(unsigned int cpu)
return 0;
}
+ np = of_cpu_device_node_get(cpu);
+ if (!np)
+ return -ENOENT;
+
if (of_property_read_bool(np, "cache-size"))
ci_leaf_init(this_leaf++, CACHE_TYPE_UNIFIED, level);
if (of_property_read_bool(np, "i-cache-size"))
diff --git a/arch/riscv/kernel/cpu-hotplug.c b/arch/riscv/kernel/cpu-hotplug.c
index 28b58fc5ad19..a1e38ecfc8be 100644
--- a/arch/riscv/kernel/cpu-hotplug.c
+++ b/arch/riscv/kernel/cpu-hotplug.c
@@ -58,7 +58,7 @@ void arch_cpuhp_cleanup_dead_cpu(unsigned int cpu)
if (cpu_ops->cpu_is_stopped)
ret = cpu_ops->cpu_is_stopped(cpu);
if (ret)
- pr_warn("CPU%d may not have stopped: %d\n", cpu, ret);
+ pr_warn("CPU%u may not have stopped: %d\n", cpu, ret);
}
/*
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index eb904ca64ad0..467c5c735bf5 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -20,7 +20,8 @@
#include <asm/cacheflush.h>
#include <asm/cpufeature.h>
#include <asm/hwcap.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
+#include <asm/hwprobe.h>
#include <asm/processor.h>
#include <asm/sbi.h>
#include <asm/vector.h>
diff --git a/arch/riscv/kernel/efi-header.S b/arch/riscv/kernel/efi-header.S
index 515b2dfbca75..c5f17c2710b5 100644
--- a/arch/riscv/kernel/efi-header.S
+++ b/arch/riscv/kernel/efi-header.S
@@ -64,7 +64,7 @@ extra_header_fields:
.long efi_header_end - _start // SizeOfHeaders
.long 0 // CheckSum
.short IMAGE_SUBSYSTEM_EFI_APPLICATION // Subsystem
- .short 0 // DllCharacteristics
+ .short IMAGE_DLL_CHARACTERISTICS_NX_COMPAT // DllCharacteristics
.quad 0 // SizeOfStackReserve
.quad 0 // SizeOfStackCommit
.quad 0 // SizeOfHeapReserve
diff --git a/arch/riscv/kernel/ftrace.c b/arch/riscv/kernel/ftrace.c
index 4b95c574fd04..8cb9b211611d 100644
--- a/arch/riscv/kernel/ftrace.c
+++ b/arch/riscv/kernel/ftrace.c
@@ -10,7 +10,7 @@
#include <linux/memory.h>
#include <linux/stop_machine.h>
#include <asm/cacheflush.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
#ifdef CONFIG_DYNAMIC_FTRACE
void ftrace_arch_code_modify_prepare(void) __acquires(&text_mutex)
@@ -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/jump_label.c b/arch/riscv/kernel/jump_label.c
index 11ad789c60c6..6eee6f736f68 100644
--- a/arch/riscv/kernel/jump_label.c
+++ b/arch/riscv/kernel/jump_label.c
@@ -10,7 +10,7 @@
#include <linux/mutex.h>
#include <asm/bug.h>
#include <asm/cacheflush.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
#define RISCV_INSN_NOP 0x00000013U
#define RISCV_INSN_JAL 0x0000006fU
diff --git a/arch/riscv/kernel/patch.c b/arch/riscv/kernel/patch.c
index 34ef522f07a8..db13c9ddf9e3 100644
--- a/arch/riscv/kernel/patch.c
+++ b/arch/riscv/kernel/patch.c
@@ -13,7 +13,7 @@
#include <asm/cacheflush.h>
#include <asm/fixmap.h>
#include <asm/ftrace.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
#include <asm/sections.h>
struct patch_insn {
diff --git a/arch/riscv/kernel/perf_callchain.c b/arch/riscv/kernel/perf_callchain.c
index c7468af77c66..b465bc9eb870 100644
--- a/arch/riscv/kernel/perf_callchain.c
+++ b/arch/riscv/kernel/perf_callchain.c
@@ -28,11 +28,21 @@ static bool fill_callchain(void *entry, unsigned long pc)
void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
struct pt_regs *regs)
{
+ if (perf_guest_state()) {
+ /* TODO: We don't support guest os callchain now */
+ return;
+ }
+
arch_stack_walk_user(fill_callchain, entry, regs);
}
void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
struct pt_regs *regs)
{
+ if (perf_guest_state()) {
+ /* TODO: We don't support guest os callchain now */
+ return;
+ }
+
walk_stackframe(NULL, regs, fill_callchain, entry);
}
diff --git a/arch/riscv/kernel/pi/Makefile b/arch/riscv/kernel/pi/Makefile
index d5bf1bc7de62..81d69d45c06c 100644
--- a/arch/riscv/kernel/pi/Makefile
+++ b/arch/riscv/kernel/pi/Makefile
@@ -16,8 +16,12 @@ KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS))
KBUILD_CFLAGS += -mcmodel=medany
CFLAGS_cmdline_early.o += -D__NO_FORTIFY
-CFLAGS_lib-fdt_ro.o += -D__NO_FORTIFY
CFLAGS_fdt_early.o += -D__NO_FORTIFY
+# lib/string.c already defines __NO_FORTIFY
+CFLAGS_ctype.o += -D__NO_FORTIFY
+CFLAGS_lib-fdt.o += -D__NO_FORTIFY
+CFLAGS_lib-fdt_ro.o += -D__NO_FORTIFY
+CFLAGS_archrandom_early.o += -D__NO_FORTIFY
$(obj)/%.pi.o: OBJCOPYFLAGS := --prefix-symbols=__pi_ \
--remove-section=.note.gnu.property \
diff --git a/arch/riscv/kernel/probes/kprobes.c b/arch/riscv/kernel/probes/kprobes.c
index 474a65213657..380a0e8cecc0 100644
--- a/arch/riscv/kernel/probes/kprobes.c
+++ b/arch/riscv/kernel/probes/kprobes.c
@@ -12,7 +12,7 @@
#include <asm/sections.h>
#include <asm/cacheflush.h>
#include <asm/bug.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
#include "decode-insn.h"
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index 438e4f6ad2ad..016b48fcd6f2 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 9050f3246264..cb93adfffc48 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -446,7 +446,7 @@ 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/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c
index ef59ecfc64cb..7cc108aed74e 100644
--- a/arch/riscv/kernel/traps_misaligned.c
+++ b/arch/riscv/kernel/traps_misaligned.c
@@ -137,8 +137,6 @@
#define REG_PTR(insn, pos, regs) \
(ulong *)((ulong)(regs) + REG_OFFSET(insn, pos))
-#define GET_RM(insn) (((insn) >> 12) & 7)
-
#define GET_RS1(insn, regs) (*REG_PTR(insn, SH_RS1, regs))
#define GET_RS2(insn, regs) (*REG_PTR(insn, SH_RS2, regs))
#define GET_RS1S(insn, regs) (*REG_PTR(RVC_RS1S(insn), 0, regs))
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 v1.2.3 (git 2.39.0) at 2025-08-05 14:12:23 +0300