summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/alpha/include/asm/mmu_context.h2
-rw-r--r--arch/alpha/kernel/asm-offsets.c2
-rw-r--r--arch/alpha/kernel/traps.c1
-rw-r--r--arch/arm/include/asm/irq_work.h2
-rw-r--r--arch/arm/include/asm/vdso.h5
-rw-r--r--arch/arm/vdso/vgettimeofday.c1
-rw-r--r--arch/arm64/include/asm/irq_work.h2
-rw-r--r--arch/arm64/kernel/vdso32/vgettimeofday.c2
-rw-r--r--arch/csky/include/asm/ftrace.h4
-rw-r--r--arch/csky/include/asm/irq_work.h2
-rw-r--r--arch/csky/include/asm/jump_label.h5
-rw-r--r--arch/csky/include/asm/traps.h2
-rw-r--r--arch/csky/kernel/traps.c1
-rw-r--r--arch/csky/kernel/vdso/vgettimeofday.c11
-rw-r--r--arch/loongarch/kernel/asm-offsets.c26
-rw-r--r--arch/loongarch/vdso/vgettimeofday.c7
-rw-r--r--arch/m68k/coldfire/vectors.c3
-rw-r--r--arch/m68k/coldfire/vectors.h3
-rw-r--r--arch/microblaze/include/asm/ftrace.h1
-rw-r--r--arch/microblaze/kernel/traps.c1
-rw-r--r--arch/mips/include/asm/ftrace.h4
-rw-r--r--arch/mips/include/asm/traps.h3
-rw-r--r--arch/mips/vdso/vgettimeofday.c1
-rw-r--r--arch/nios2/include/asm/traps.h2
-rw-r--r--arch/powerpc/include/asm/irq_work.h1
-rw-r--r--arch/riscv/include/asm/irq_work.h2
-rw-r--r--arch/riscv/kernel/vdso/vgettimeofday.c7
-rw-r--r--arch/s390/include/asm/irq_work.h2
-rw-r--r--arch/sh/include/asm/traps_32.h3
-rw-r--r--arch/sparc/kernel/asm-offsets.c6
-rw-r--r--arch/sparc/kernel/traps_32.c1
-rw-r--r--arch/sparc/kernel/traps_64.c1
-rw-r--r--arch/x86/entry/vdso/vclock_gettime.c10
-rw-r--r--arch/x86/include/asm/irq_work.h1
-rw-r--r--arch/x86/include/asm/traps.h1
-rw-r--r--arch/x86/include/asm/vdso/gettimeofday.h2
-rw-r--r--arch/x86/kernel/traps.c1
-rw-r--r--include/linux/irq_work.h3
-rw-r--r--include/vdso/gettime.h23
39 files changed, 85 insertions, 72 deletions
diff --git a/arch/alpha/include/asm/mmu_context.h b/arch/alpha/include/asm/mmu_context.h
index 4eea7c616992..29a3e3a1f02b 100644
--- a/arch/alpha/include/asm/mmu_context.h
+++ b/arch/alpha/include/asm/mmu_context.h
@@ -183,6 +183,8 @@ ev4_switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm,
}
extern void __load_new_mm_context(struct mm_struct *);
+asmlinkage void do_page_fault(unsigned long address, unsigned long mmcsr,
+ long cause, struct pt_regs *regs);
#ifdef CONFIG_SMP
#define check_mmu_context() \
diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c
index b121294bee26..bf1eedd27cf7 100644
--- a/arch/alpha/kernel/asm-offsets.c
+++ b/arch/alpha/kernel/asm-offsets.c
@@ -12,7 +12,7 @@
#include <linux/kbuild.h>
#include <asm/io.h>
-void foo(void)
+static void __used foo(void)
{
DEFINE(TI_TASK, offsetof(struct thread_info, task));
DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index d9a67b370e04..7fc72aeb7398 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -9,6 +9,7 @@
* This file initializes the trap entry points
*/
+#include <linux/cpu.h>
#include <linux/jiffies.h>
#include <linux/mm.h>
#include <linux/sched/signal.h>
diff --git a/arch/arm/include/asm/irq_work.h b/arch/arm/include/asm/irq_work.h
index 3149e4dc1b54..8895999834cc 100644
--- a/arch/arm/include/asm/irq_work.h
+++ b/arch/arm/include/asm/irq_work.h
@@ -9,6 +9,4 @@ static inline bool arch_irq_work_has_interrupt(void)
return is_smp();
}
-extern void arch_irq_work_raise(void);
-
#endif /* _ASM_ARM_IRQ_WORK_H */
diff --git a/arch/arm/include/asm/vdso.h b/arch/arm/include/asm/vdso.h
index 422c3afa806a..5b85889f82ee 100644
--- a/arch/arm/include/asm/vdso.h
+++ b/arch/arm/include/asm/vdso.h
@@ -24,11 +24,6 @@ static inline void arm_install_vdso(struct mm_struct *mm, unsigned long addr)
#endif /* CONFIG_VDSO */
-int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts);
-int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts);
-int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
-int __vdso_clock_getres(clockid_t clock_id, struct old_timespec32 *res);
-
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
diff --git a/arch/arm/vdso/vgettimeofday.c b/arch/arm/vdso/vgettimeofday.c
index a003beacac76..3554aa35f1ba 100644
--- a/arch/arm/vdso/vgettimeofday.c
+++ b/arch/arm/vdso/vgettimeofday.c
@@ -8,6 +8,7 @@
#include <linux/types.h>
#include <asm/vdso.h>
#include <asm/unwind.h>
+#include <vdso/gettime.h>
int __vdso_clock_gettime(clockid_t clock,
struct old_timespec32 *ts)
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/kernel/vdso32/vgettimeofday.c b/arch/arm64/kernel/vdso32/vgettimeofday.c
index 5acff29c5991..29b4d8f61e39 100644
--- a/arch/arm64/kernel/vdso32/vgettimeofday.c
+++ b/arch/arm64/kernel/vdso32/vgettimeofday.c
@@ -5,6 +5,8 @@
* Copyright (C) 2018 ARM Limited
*
*/
+#define BUILD_VDSO32_64
+#include <vdso/gettime.h>
int __vdso_clock_gettime(clockid_t clock,
struct old_timespec32 *ts)
diff --git a/arch/csky/include/asm/ftrace.h b/arch/csky/include/asm/ftrace.h
index 9b86341731b6..fd215c38ef27 100644
--- a/arch/csky/include/asm/ftrace.h
+++ b/arch/csky/include/asm/ftrace.h
@@ -26,5 +26,9 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
struct dyn_arch_ftrace {
};
+
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
+ unsigned long frame_pointer);
+
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_CSKY_FTRACE_H */
diff --git a/arch/csky/include/asm/irq_work.h b/arch/csky/include/asm/irq_work.h
index 33aaf39d6f94..d39fcc1f5395 100644
--- a/arch/csky/include/asm/irq_work.h
+++ b/arch/csky/include/asm/irq_work.h
@@ -7,5 +7,5 @@ static inline bool arch_irq_work_has_interrupt(void)
{
return true;
}
-extern void arch_irq_work_raise(void);
+
#endif /* __ASM_CSKY_IRQ_WORK_H */
diff --git a/arch/csky/include/asm/jump_label.h b/arch/csky/include/asm/jump_label.h
index d488ba6084bc..98a3f4b168bd 100644
--- a/arch/csky/include/asm/jump_label.h
+++ b/arch/csky/include/asm/jump_label.h
@@ -43,5 +43,10 @@ label:
return true;
}
+enum jump_label_type;
+void arch_jump_label_transform_static(struct jump_entry *entry,
+ enum jump_label_type type);
+#define arch_jump_label_transform_static arch_jump_label_transform_static
+
#endif /* __ASSEMBLY__ */
#endif /* __ASM_CSKY_JUMP_LABEL_H */
diff --git a/arch/csky/include/asm/traps.h b/arch/csky/include/asm/traps.h
index 732c4aaa2e26..6bbbbe43165f 100644
--- a/arch/csky/include/asm/traps.h
+++ b/arch/csky/include/asm/traps.h
@@ -55,6 +55,6 @@ asmlinkage void trap_c(struct pt_regs *regs);
asmlinkage void do_notify_resume(struct pt_regs *regs,
unsigned long thread_info_flags);
-void trap_init(void);
+asmlinkage void do_page_fault(struct pt_regs *regs);
#endif /* __ASM_CSKY_TRAPS_H */
diff --git a/arch/csky/kernel/traps.c b/arch/csky/kernel/traps.c
index 6e426fba0119..c2246b07cc9c 100644
--- a/arch/csky/kernel/traps.c
+++ b/arch/csky/kernel/traps.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+#include <linux/cpu.h>
#include <linux/sched.h>
#include <linux/signal.h>
#include <linux/kernel.h>
diff --git a/arch/csky/kernel/vdso/vgettimeofday.c b/arch/csky/kernel/vdso/vgettimeofday.c
index c4831145eed5..55af30e83752 100644
--- a/arch/csky/kernel/vdso/vgettimeofday.c
+++ b/arch/csky/kernel/vdso/vgettimeofday.c
@@ -2,36 +2,27 @@
#include <linux/time.h>
#include <linux/types.h>
+#include <vdso/gettime.h>
extern
int __vdso_clock_gettime(clockid_t clock,
- struct old_timespec32 *ts);
-int __vdso_clock_gettime(clockid_t clock,
struct old_timespec32 *ts)
{
return __cvdso_clock_gettime32(clock, ts);
}
int __vdso_clock_gettime64(clockid_t clock,
- struct __kernel_timespec *ts);
-int __vdso_clock_gettime64(clockid_t clock,
struct __kernel_timespec *ts)
{
return __cvdso_clock_gettime(clock, ts);
}
-extern
-int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
- struct timezone *tz);
int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
struct timezone *tz)
{
return __cvdso_gettimeofday(tv, tz);
}
-extern
-int __vdso_clock_getres(clockid_t clock_id,
- struct old_timespec32 *res);
int __vdso_clock_getres(clockid_t clock_id,
struct old_timespec32 *res)
{
diff --git a/arch/loongarch/kernel/asm-offsets.c b/arch/loongarch/kernel/asm-offsets.c
index 173fe514fc9e..bee9f7a3108f 100644
--- a/arch/loongarch/kernel/asm-offsets.c
+++ b/arch/loongarch/kernel/asm-offsets.c
@@ -15,7 +15,7 @@
#include <asm/processor.h>
#include <asm/ftrace.h>
-void output_ptreg_defines(void)
+static void __used output_ptreg_defines(void)
{
COMMENT("LoongArch pt_regs offsets.");
OFFSET(PT_R0, pt_regs, regs[0]);
@@ -62,7 +62,7 @@ void output_ptreg_defines(void)
BLANK();
}
-void output_task_defines(void)
+static void __used output_task_defines(void)
{
COMMENT("LoongArch task_struct offsets.");
OFFSET(TASK_STATE, task_struct, __state);
@@ -77,7 +77,7 @@ void output_task_defines(void)
BLANK();
}
-void output_thread_info_defines(void)
+static void __used output_thread_info_defines(void)
{
COMMENT("LoongArch thread_info offsets.");
OFFSET(TI_TASK, thread_info, task);
@@ -93,7 +93,7 @@ void output_thread_info_defines(void)
BLANK();
}
-void output_thread_defines(void)
+static void __used output_thread_defines(void)
{
COMMENT("LoongArch specific thread_struct offsets.");
OFFSET(THREAD_REG01, task_struct, thread.reg01);
@@ -129,7 +129,7 @@ void output_thread_defines(void)
BLANK();
}
-void output_thread_fpu_defines(void)
+static void __used output_thread_fpu_defines(void)
{
OFFSET(THREAD_FPR0, loongarch_fpu, fpr[0]);
OFFSET(THREAD_FPR1, loongarch_fpu, fpr[1]);
@@ -170,7 +170,7 @@ void output_thread_fpu_defines(void)
BLANK();
}
-void output_thread_lbt_defines(void)
+static void __used output_thread_lbt_defines(void)
{
OFFSET(THREAD_SCR0, loongarch_lbt, scr0);
OFFSET(THREAD_SCR1, loongarch_lbt, scr1);
@@ -180,7 +180,7 @@ void output_thread_lbt_defines(void)
BLANK();
}
-void output_mm_defines(void)
+static void __used output_mm_defines(void)
{
COMMENT("Size of struct page");
DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page));
@@ -212,7 +212,7 @@ void output_mm_defines(void)
BLANK();
}
-void output_sc_defines(void)
+static void __used output_sc_defines(void)
{
COMMENT("Linux sigcontext offsets.");
OFFSET(SC_REGS, sigcontext, sc_regs);
@@ -220,7 +220,7 @@ void output_sc_defines(void)
BLANK();
}
-void output_signal_defines(void)
+static void __used output_signal_defines(void)
{
COMMENT("Linux signal numbers.");
DEFINE(_SIGHUP, SIGHUP);
@@ -258,7 +258,7 @@ void output_signal_defines(void)
}
#ifdef CONFIG_SMP
-void output_smpboot_defines(void)
+static void __used output_smpboot_defines(void)
{
COMMENT("Linux smp cpu boot offsets.");
OFFSET(CPU_BOOT_STACK, secondary_data, stack);
@@ -268,7 +268,7 @@ void output_smpboot_defines(void)
#endif
#ifdef CONFIG_HIBERNATION
-void output_pbe_defines(void)
+static void __used output_pbe_defines(void)
{
COMMENT("Linux struct pbe offsets.");
OFFSET(PBE_ADDRESS, pbe, address);
@@ -280,7 +280,7 @@ void output_pbe_defines(void)
#endif
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-void output_fgraph_ret_regs_defines(void)
+static void __used output_fgraph_ret_regs_defines(void)
{
COMMENT("LoongArch fgraph_ret_regs offsets.");
OFFSET(FGRET_REGS_A0, fgraph_ret_regs, regs[0]);
@@ -291,7 +291,7 @@ void output_fgraph_ret_regs_defines(void)
}
#endif
-void output_kvm_defines(void)
+static void __used output_kvm_defines(void)
{
COMMENT("KVM/LoongArch Specific offsets.");
diff --git a/arch/loongarch/vdso/vgettimeofday.c b/arch/loongarch/vdso/vgettimeofday.c
index 8f22863bd7ea..0885c1f3a89d 100644
--- a/arch/loongarch/vdso/vgettimeofday.c
+++ b/arch/loongarch/vdso/vgettimeofday.c
@@ -5,23 +5,18 @@
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/types.h>
+#include <vdso/gettime.h>
-extern
-int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts)
{
return __cvdso_clock_gettime(clock, ts);
}
-extern
-int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
{
return __cvdso_gettimeofday(tv, tz);
}
-extern
-int __vdso_clock_getres(clockid_t clock_id, struct __kernel_timespec *res);
int __vdso_clock_getres(clockid_t clock_id, struct __kernel_timespec *res)
{
return __cvdso_clock_getres(clock_id, res);
diff --git a/arch/m68k/coldfire/vectors.c b/arch/m68k/coldfire/vectors.c
index c26c255b530d..4321fd89d83e 100644
--- a/arch/m68k/coldfire/vectors.c
+++ b/arch/m68k/coldfire/vectors.c
@@ -12,14 +12,13 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/irq.h>
+#include <linux/cpu.h>
#include <asm/traps.h>
#include <asm/machdep.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfwdebug.h>
-#include "vectors.h"
-
/***************************************************************************/
#ifdef TRAP_DBG_INTERRUPT
diff --git a/arch/m68k/coldfire/vectors.h b/arch/m68k/coldfire/vectors.h
deleted file mode 100644
index 0b01450a4353..000000000000
--- a/arch/m68k/coldfire/vectors.h
+++ /dev/null
@@ -1,3 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-void trap_init(void);
diff --git a/arch/microblaze/include/asm/ftrace.h b/arch/microblaze/include/asm/ftrace.h
index 6a92bed37794..4ca38b92a3a2 100644
--- a/arch/microblaze/include/asm/ftrace.h
+++ b/arch/microblaze/include/asm/ftrace.h
@@ -10,6 +10,7 @@
#ifndef __ASSEMBLY__
extern void _mcount(void);
extern void ftrace_call_graph(void);
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr);
#endif
#ifdef CONFIG_DYNAMIC_FTRACE
diff --git a/arch/microblaze/kernel/traps.c b/arch/microblaze/kernel/traps.c
index 94b6fe93147d..080aa769218d 100644
--- a/arch/microblaze/kernel/traps.c
+++ b/arch/microblaze/kernel/traps.c
@@ -8,6 +8,7 @@
* for more details.
*/
+#include <linux/cpu.h>
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/kallsyms.h>
diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h
index db497a8167da..dc025888f6d2 100644
--- a/arch/mips/include/asm/ftrace.h
+++ b/arch/mips/include/asm/ftrace.h
@@ -85,6 +85,10 @@ struct dyn_arch_ftrace {
};
#endif /* CONFIG_DYNAMIC_FTRACE */
+
+void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra,
+ unsigned long fp);
+
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_FUNCTION_TRACER */
#endif /* _ASM_MIPS_FTRACE_H */
diff --git a/arch/mips/include/asm/traps.h b/arch/mips/include/asm/traps.h
index 15cde638b407..d4d9f8a8fdea 100644
--- a/arch/mips/include/asm/traps.h
+++ b/arch/mips/include/asm/traps.h
@@ -39,4 +39,7 @@ extern char except_vec_nmi[];
register_nmi_notifier(&fn##_nb); \
})
+asmlinkage void do_page_fault(struct pt_regs *regs,
+ unsigned long write, unsigned long address);
+
#endif /* _ASM_TRAPS_H */
diff --git a/arch/mips/vdso/vgettimeofday.c b/arch/mips/vdso/vgettimeofday.c
index 6b83b6376a4b..604afea3f336 100644
--- a/arch/mips/vdso/vgettimeofday.c
+++ b/arch/mips/vdso/vgettimeofday.c
@@ -9,6 +9,7 @@
*/
#include <linux/time.h>
#include <linux/types.h>
+#include <vdso/gettime.h>
#if _MIPS_SIM != _MIPS_SIM_ABI64
int __vdso_clock_gettime(clockid_t clock,
diff --git a/arch/nios2/include/asm/traps.h b/arch/nios2/include/asm/traps.h
index 82a48473280d..afd77bef01c6 100644
--- a/arch/nios2/include/asm/traps.h
+++ b/arch/nios2/include/asm/traps.h
@@ -14,6 +14,8 @@
#ifndef __ASSEMBLY__
void _exception(int signo, struct pt_regs *regs, int code, unsigned long addr);
+void do_page_fault(struct pt_regs *regs, unsigned long cause,
+ unsigned long address);
#endif
#endif /* _ASM_NIOS2_TRAPS_H */
diff --git a/arch/powerpc/include/asm/irq_work.h b/arch/powerpc/include/asm/irq_work.h
index b8b0be8f1a07..c6d3078bd8c3 100644
--- a/arch/powerpc/include/asm/irq_work.h
+++ b/arch/powerpc/include/asm/irq_work.h
@@ -6,6 +6,5 @@ static inline bool arch_irq_work_has_interrupt(void)
{
return true;
}
-extern void arch_irq_work_raise(void);
#endif /* _ASM_POWERPC_IRQ_WORK_H */
diff --git a/arch/riscv/include/asm/irq_work.h b/arch/riscv/include/asm/irq_work.h
index b53891964ae0..b27a4d64fc6a 100644
--- a/arch/riscv/include/asm/irq_work.h
+++ b/arch/riscv/include/asm/irq_work.h
@@ -6,5 +6,5 @@ static inline bool arch_irq_work_has_interrupt(void)
{
return IS_ENABLED(CONFIG_SMP);
}
-extern void arch_irq_work_raise(void);
+
#endif /* _ASM_RISCV_IRQ_WORK_H */
diff --git a/arch/riscv/kernel/vdso/vgettimeofday.c b/arch/riscv/kernel/vdso/vgettimeofday.c
index cc0d80699c31..b35057802584 100644
--- a/arch/riscv/kernel/vdso/vgettimeofday.c
+++ b/arch/riscv/kernel/vdso/vgettimeofday.c
@@ -8,23 +8,18 @@
#include <linux/time.h>
#include <linux/types.h>
+#include <vdso/gettime.h>
-extern
-int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts)
{
return __cvdso_clock_gettime(clock, ts);
}
-extern
-int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
{
return __cvdso_gettimeofday(tv, tz);
}
-extern
-int __vdso_clock_getres(clockid_t clock_id, struct __kernel_timespec *res);
int __vdso_clock_getres(clockid_t clock_id, struct __kernel_timespec *res)
{
return __cvdso_clock_getres(clock_id, res);
diff --git a/arch/s390/include/asm/irq_work.h b/arch/s390/include/asm/irq_work.h
index 603783766d0a..f00c9f610d5a 100644
--- a/arch/s390/include/asm/irq_work.h
+++ b/arch/s390/include/asm/irq_work.h
@@ -7,6 +7,4 @@ static inline bool arch_irq_work_has_interrupt(void)
return true;
}
-void arch_irq_work_raise(void);
-
#endif /* _ASM_S390_IRQ_WORK_H */
diff --git a/arch/sh/include/asm/traps_32.h b/arch/sh/include/asm/traps_32.h
index 8c5bbb7b6053..8f14071bea72 100644
--- a/arch/sh/include/asm/traps_32.h
+++ b/arch/sh/include/asm/traps_32.h
@@ -43,6 +43,9 @@ static inline void trigger_address_error(void)
asmlinkage void do_address_error(struct pt_regs *regs,
unsigned long writeaccess,
unsigned long address);
+asmlinkage void do_page_fault(struct pt_regs *regs,
+ unsigned long error_code,
+ unsigned long address);
asmlinkage void do_divide_error(unsigned long r4);
asmlinkage void do_reserved_inst(void);
asmlinkage void do_illegal_slot_inst(void);
diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c
index 5784f2df489a..3d9b9855dce9 100644
--- a/arch/sparc/kernel/asm-offsets.c
+++ b/arch/sparc/kernel/asm-offsets.c
@@ -19,14 +19,14 @@
#include <asm/hibernate.h>
#ifdef CONFIG_SPARC32
-int sparc32_foo(void)
+static int __used sparc32_foo(void)
{
DEFINE(AOFF_thread_fork_kpsr,
offsetof(struct thread_struct, fork_kpsr));
return 0;
}
#else
-int sparc64_foo(void)
+static int __used sparc64_foo(void)
{
#ifdef CONFIG_HIBERNATION
BLANK();
@@ -45,7 +45,7 @@ int sparc64_foo(void)
}
#endif
-int foo(void)
+static int __used foo(void)
{
BLANK();
DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index 179aabfa712e..bb149f6cc34b 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -10,6 +10,7 @@
* I hate traps on the sparc, grrr...
*/
+#include <linux/cpu.h>
#include <linux/sched/mm.h>
#include <linux/sched/debug.h>
#include <linux/mm_types.h>
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 08ffd17d5ec3..3631899f2394 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -9,6 +9,7 @@
* I like traps on v9, :))))
*/
+#include <linux/cpu.h>
#include <linux/extable.h>
#include <linux/sched/mm.h>
#include <linux/sched/debug.h>
diff --git a/arch/x86/entry/vdso/vclock_gettime.c b/arch/x86/entry/vdso/vclock_gettime.c
index 7d70935b6758..0debc194bd78 100644
--- a/arch/x86/entry/vdso/vclock_gettime.c
+++ b/arch/x86/entry/vdso/vclock_gettime.c
@@ -11,12 +11,10 @@
#include <linux/time.h>
#include <linux/kernel.h>
#include <linux/types.h>
+#include <vdso/gettime.h>
#include "../../../../lib/vdso/gettimeofday.c"
-extern int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
-extern __kernel_old_time_t __vdso_time(__kernel_old_time_t *t);
-
int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
{
return __cvdso_gettimeofday(tv, tz);
@@ -35,9 +33,6 @@ __kernel_old_time_t time(__kernel_old_time_t *t) __attribute__((weak, alias("__v
#if defined(CONFIG_X86_64) && !defined(BUILD_VDSO32_64)
/* both 64-bit and x32 use these */
-extern int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
-extern int __vdso_clock_getres(clockid_t clock, struct __kernel_timespec *res);
-
int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts)
{
return __cvdso_clock_gettime(clock, ts);
@@ -56,9 +51,6 @@ int clock_getres(clockid_t, struct __kernel_timespec *)
#else
/* i386 only */
-extern int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts);
-extern int __vdso_clock_getres(clockid_t clock, struct old_timespec32 *res);
-
int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts)
{
return __cvdso_clock_gettime32(clock, ts);
diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h
index 800ffce0db29..6b4d36c95165 100644
--- a/arch/x86/include/asm/irq_work.h
+++ b/arch/x86/include/asm/irq_work.h
@@ -9,7 +9,6 @@ static inline bool arch_irq_work_has_interrupt(void)
{
return boot_cpu_has(X86_FEATURE_APIC);
}
-extern void arch_irq_work_raise(void);
#else
static inline bool arch_irq_work_has_interrupt(void)
{
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index b1c9cea6ba88..1f1deaecd364 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -14,7 +14,6 @@
asmlinkage __visible notrace struct pt_regs *sync_regs(struct pt_regs *eregs);
asmlinkage __visible notrace
struct pt_regs *fixup_bad_iret(struct pt_regs *bad_regs);
-void __init trap_init(void);
asmlinkage __visible noinstr struct pt_regs *vc_switch_off_ist(struct pt_regs *eregs);
#endif
diff --git a/arch/x86/include/asm/vdso/gettimeofday.h b/arch/x86/include/asm/vdso/gettimeofday.h
index c81858d903dc..a46edb0e0cf7 100644
--- a/arch/x86/include/asm/vdso/gettimeofday.h
+++ b/arch/x86/include/asm/vdso/gettimeofday.h
@@ -337,8 +337,6 @@ u64 vdso_calc_delta(u64 cycles, u64 last, u64 mask, u32 mult)
}
#define vdso_calc_delta vdso_calc_delta
-int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts);
-
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_VDSO_GETTIMEOFDAY_H */
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index c876f1d36a81..b0737a15c470 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -37,6 +37,7 @@
#include <linux/nmi.h>
#include <linux/mm.h>
#include <linux/smp.h>
+#include <linux/cpu.h>
#include <linux/io.h>
#include <linux/hardirq.h>
#include <linux/atomic.h>
diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h
index 8cd11a223260..136f2980cba3 100644
--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -66,6 +66,9 @@ void irq_work_sync(struct irq_work *work);
void irq_work_run(void);
bool irq_work_needs_cpu(void);
void irq_work_single(void *arg);
+
+void arch_irq_work_raise(void);
+
#else
static inline bool irq_work_needs_cpu(void) { return false; }
static inline void irq_work_run(void) { }
diff --git a/include/vdso/gettime.h b/include/vdso/gettime.h
new file mode 100644
index 000000000000..c50d152e7b3e
--- /dev/null
+++ b/include/vdso/gettime.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _VDSO_GETTIME_H
+#define _VDSO_GETTIME_H
+
+#include <linux/types.h>
+
+struct __kernel_timespec;
+struct timezone;
+
+#if !defined(CONFIG_64BIT) || defined(BUILD_VDSO32_64)
+struct old_timespec32;
+int __vdso_clock_getres(clockid_t clock, struct old_timespec32 *res);
+int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts);
+#else
+int __vdso_clock_getres(clockid_t clock, struct __kernel_timespec *res);
+int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
+#endif
+
+__kernel_old_time_t __vdso_time(__kernel_old_time_t *t);
+int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
+int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts);
+
+#endif