[tip:x86/cleanups] x86/headers: Fix -Wmissing-prototypes warning

From: tip-bot for Yi Wang
Date: Fri Nov 23 2018 - 02:05:03 EST

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Commit-ID: 89f579ce99f7e028e81885d3965f973c0f787611
Gitweb: https://git.kernel.org/tip/89f579ce99f7e028e81885d3965f973c0f787611
Author: Yi Wang <wang.yi59@xxxxxxxxxx>
AuthorDate: Thu, 22 Nov 2018 10:04:09 +0800
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Fri, 23 Nov 2018 07:59:59 +0100

x86/headers: Fix -Wmissing-prototypes warning

When building the kernel with W=1 we get a lot of -Wmissing-prototypes
warnings, which are trivial in nature and easy to fix - and which may
mask some real future bugs if the prototypes get out of sync with
the function definition.

This patch fixes most of -Wmissing-prototypes warnings which
are in the root directory of arch/x86/kernel, not including
the subdirectories.

These are the warnings fixed in this patch:

arch/x86/kernel/signal.c:865:17: warning: no previous prototype for âsys32_x32_rt_sigreturnâ [-Wmissing-prototypes]
arch/x86/kernel/signal_compat.c:164:6: warning: no previous prototype for âsigaction_compat_abiâ [-Wmissing-prototypes]
arch/x86/kernel/traps.c:625:46: warning: no previous prototype for âsync_regsâ [-Wmissing-prototypes]
arch/x86/kernel/traps.c:640:24: warning: no previous prototype for âfixup_bad_iretâ [-Wmissing-prototypes]
arch/x86/kernel/traps.c:929:13: warning: no previous prototype for âtrap_initâ [-Wmissing-prototypes]
arch/x86/kernel/irq.c:270:28: warning: no previous prototype for âsmp_x86_platform_ipiâ [-Wmissing-prototypes]
arch/x86/kernel/irq.c:301:16: warning: no previous prototype for âsmp_kvm_posted_intr_ipiâ [-Wmissing-prototypes]
arch/x86/kernel/irq.c:314:16: warning: no previous prototype for âsmp_kvm_posted_intr_wakeup_ipiâ [-Wmissing-prototypes]
arch/x86/kernel/irq.c:328:16: warning: no previous prototype for âsmp_kvm_posted_intr_nested_ipiâ [-Wmissing-prototypes]
arch/x86/kernel/irq_work.c:16:28: warning: no previous prototype for âsmp_irq_work_interruptâ [-Wmissing-prototypes]
arch/x86/kernel/irqinit.c:79:13: warning: no previous prototype for âinit_IRQâ [-Wmissing-prototypes]
arch/x86/kernel/quirks.c:672:13: warning: no previous prototype for âearly_platform_quirksâ [-Wmissing-prototypes]
arch/x86/kernel/tsc.c:1499:15: warning: no previous prototype for âcalibrate_delay_is_knownâ [-Wmissing-prototypes]
arch/x86/kernel/process.c:653:13: warning: no previous prototype for âarch_post_acpi_subsys_initâ [-Wmissing-prototypes]
arch/x86/kernel/process.c:717:15: warning: no previous prototype for âarch_randomize_brkâ [-Wmissing-prototypes]
arch/x86/kernel/process.c:784:6: warning: no previous prototype for âdo_arch_prctl_commonâ [-Wmissing-prototypes]
arch/x86/kernel/reboot.c:869:6: warning: no previous prototype for ânmi_panic_self_stopâ [-Wmissing-prototypes]
arch/x86/kernel/smp.c:176:27: warning: no previous prototype for âsmp_reboot_interruptâ [-Wmissing-prototypes]
arch/x86/kernel/smp.c:260:28: warning: no previous prototype for âsmp_reschedule_interruptâ [-Wmissing-prototypes]
arch/x86/kernel/smp.c:281:28: warning: no previous prototype for âsmp_call_function_interruptâ [-Wmissing-prototypes]
arch/x86/kernel/smp.c:291:28: warning: no previous prototype for âsmp_call_function_single_interruptâ [-Wmissing-prototypes]
arch/x86/kernel/ftrace.c:840:6: warning: no previous prototype for âarch_ftrace_update_trampolineâ [-Wmissing-prototypes]
arch/x86/kernel/ftrace.c:934:7: warning: no previous prototype for âarch_ftrace_trampoline_funcâ [-Wmissing-prototypes]
arch/x86/kernel/ftrace.c:946:6: warning: no previous prototype for âarch_ftrace_trampoline_freeâ [-Wmissing-prototypes]
arch/x86/kernel/crash.c:114:6: warning: no previous prototype for âcrash_smp_send_stopâ [-Wmissing-prototypes]
arch/x86/kernel/crash.c:351:5: warning: no previous prototype for âcrash_setup_memmap_entriesâ [-Wmissing-prototypes]
arch/x86/kernel/crash.c:424:5: warning: no previous prototype for âcrash_load_segmentsâ [-Wmissing-prototypes]
arch/x86/kernel/machine_kexec_64.c:372:7: warning: no previous prototype for âarch_kexec_kernel_image_loadâ [-Wmissing-prototypes]
arch/x86/kernel/paravirt-spinlocks.c:12:16: warning: no previous prototype for â__native_queued_spin_unlockâ [-Wmissing-prototypes]
arch/x86/kernel/paravirt-spinlocks.c:18:6: warning: no previous prototype for âpv_is_native_spin_unlockâ [-Wmissing-prototypes]
arch/x86/kernel/paravirt-spinlocks.c:24:16: warning: no previous prototype for â__native_vcpu_is_preemptedâ [-Wmissing-prototypes]
arch/x86/kernel/paravirt-spinlocks.c:30:6: warning: no previous prototype for âpv_is_native_vcpu_is_preemptedâ [-Wmissing-prototypes]
arch/x86/kernel/kvm.c:258:1: warning: no previous prototype for âdo_async_page_faultâ [-Wmissing-prototypes]
arch/x86/kernel/jailhouse.c:200:6: warning: no previous prototype for âjailhouse_paravirtâ [-Wmissing-prototypes]
arch/x86/kernel/check.c:91:13: warning: no previous prototype for âsetup_bios_corruption_checkâ [-Wmissing-prototypes]
arch/x86/kernel/check.c:139:6: warning: no previous prototype for âcheck_for_bios_corruptionâ [-Wmissing-prototypes]
arch/x86/kernel/devicetree.c:32:13: warning: no previous prototype for âearly_init_dt_scan_chosen_archâ [-Wmissing-prototypes]
arch/x86/kernel/devicetree.c:42:13: warning: no previous prototype for âadd_dtbâ [-Wmissing-prototypes]
arch/x86/kernel/devicetree.c:108:6: warning: no previous prototype for âx86_of_pci_initâ [-Wmissing-prototypes]
arch/x86/kernel/devicetree.c:314:13: warning: no previous prototype for âx86_dtb_initâ [-Wmissing-prototypes]
arch/x86/kernel/tracepoint.c:16:5: warning: no previous prototype for âtrace_pagefault_regâ [-Wmissing-prototypes]
arch/x86/kernel/tracepoint.c:22:6: warning: no previous prototype for âtrace_pagefault_unregâ [-Wmissing-prototypes]
arch/x86/kernel/head64.c:113:22: warning: no previous prototype for â__startup_64â [-Wmissing-prototypes]
arch/x86/kernel/head64.c:262:15: warning: no previous prototype for â__startup_secondary_64â [-Wmissing-prototypes]
arch/x86/kernel/head64.c:350:12: warning: no previous prototype for âearly_make_pgtableâ [-Wmissing-prototypes]

[ mingo: rewrote the changelog, fixed build errors. ]

Signed-off-by: Yi Wang <wang.yi59@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: akataria@xxxxxxxxxx
Cc: akpm@xxxxxxxxxxxxxxxxxxxx
Cc: andy.shevchenko@xxxxxxxxx
Cc: anton@xxxxxxxxxx
Cc: ard.biesheuvel@xxxxxxxxxx
Cc: bhe@xxxxxxxxxx
Cc: bhelgaas@xxxxxxxxxx
Cc: bp@xxxxxxxxx
Cc: ccross@xxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: douly.fnst@xxxxxxxxxxxxxx
Cc: dwmw@xxxxxxxxxxxx
Cc: dyoung@xxxxxxxxxx
Cc: ebiederm@xxxxxxxxxxxx
Cc: frank.rowand@xxxxxxxx
Cc: frowand.list@xxxxxxxxx
Cc: ivan.gorinov@xxxxxxxxx
Cc: jailhouse-dev@xxxxxxxxxxxxxxxx
Cc: jan.kiszka@xxxxxxxxxxx
Cc: jgross@xxxxxxxx
Cc: jroedel@xxxxxxx
Cc: keescook@xxxxxxxxxxxx
Cc: kexec@xxxxxxxxxxxxxxxxxxx
Cc: konrad.wilk@xxxxxxxxxx
Cc: kvm@xxxxxxxxxxxxxxx
Cc: linux-efi@xxxxxxxxxxxxxxx
Cc: linux-pci@xxxxxxxxxxxxxxx
Cc: luto@xxxxxxxxxx
Cc: m.mizuma@xxxxxxxxxxxxxx
Cc: namit@xxxxxxxxxx
Cc: oleg@xxxxxxxxxx
Cc: pasha.tatashin@xxxxxxxxxx
Cc: pbonzini@xxxxxxxxxx
Cc: prarit@xxxxxxxxxx
Cc: pravin.shedge4linux@xxxxxxxxx
Cc: rajvi.jingar@xxxxxxxxx
Cc: rkrcmar@xxxxxxxxxx
Cc: robh+dt@xxxxxxxxxx
Cc: robh@xxxxxxxxxx
Cc: rostedt@xxxxxxxxxxx
Cc: takahiro.akashi@xxxxxxxxxx
Cc: thomas.lendacky@xxxxxxx
Cc: tony.luck@xxxxxxxxx
Cc: up2wing@xxxxxxxxx
Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: zhe.he@xxxxxxxxxxxxx
Cc: zhong.weidong@xxxxxxxxxx
Link: http://lkml.kernel.org/r/1542852249-19820-1-git-send-email-wang.yi59@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/crash.h | 1 +
arch/x86/include/asm/irq.h | 7 +++++++
arch/x86/include/asm/irq_work.h | 1 +
arch/x86/include/asm/kvm_para.h | 1 +
arch/x86/include/asm/paravirt.h | 5 +++++
arch/x86/include/asm/reboot.h | 1 +
arch/x86/include/asm/sighandling.h | 5 +++++
arch/x86/include/asm/smp.h | 6 ++++++
arch/x86/include/asm/traps.h | 4 ++++
arch/x86/include/asm/tsc.h | 1 +
arch/x86/kernel/check.c | 3 ++-
arch/x86/kernel/crash.c | 1 +
arch/x86/kernel/devicetree.c | 1 +
arch/x86/kernel/jailhouse.c | 1 +
arch/x86/kernel/process.c | 3 +++
arch/x86/kernel/quirks.c | 1 +
arch/x86/kernel/tracepoint.c | 1 +
include/linux/ftrace.h | 3 +++
include/linux/kexec.h | 1 +
include/linux/of_fdt.h | 1 +
include/linux/ptrace.h | 1 +
21 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/crash.h b/arch/x86/include/asm/crash.h
index a7adb2bfbf0b..0acf5ee45a21 100644
--- a/arch/x86/include/asm/crash.h
+++ b/arch/x86/include/asm/crash.h
@@ -6,5 +6,6 @@ int crash_load_segments(struct kimage *image);
int crash_copy_backup_region(struct kimage *image);
int crash_setup_memmap_entries(struct kimage *image,
struct boot_params *params);
+void crash_smp_send_stop(void);

#endif /* _ASM_X86_CRASH_H */
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 2395bb794c7b..fbb16e6b6c18 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -30,6 +30,9 @@ extern void fixup_irqs(void);

#ifdef CONFIG_HAVE_KVM
extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
+extern __visible void smp_kvm_posted_intr_ipi(struct pt_regs *regs);
+extern __visible void smp_kvm_posted_intr_wakeup_ipi(struct pt_regs *regs);
+extern __visible void smp_kvm_posted_intr_nested_ipi(struct pt_regs *regs);
#endif

extern void (*x86_platform_ipi_callback)(void);
@@ -41,9 +44,13 @@ extern __visible unsigned int do_IRQ(struct pt_regs *regs);

extern void init_ISA_irqs(void);

+extern void __init init_IRQ(void);
+
#ifdef CONFIG_X86_LOCAL_APIC
void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
bool exclude_self);
+
+extern __visible void smp_x86_platform_ipi(struct pt_regs *regs);
#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
#endif

diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h
index 800ffce0db29..80b35e3adf03 100644
--- a/arch/x86/include/asm/irq_work.h
+++ b/arch/x86/include/asm/irq_work.h
@@ -10,6 +10,7 @@ static inline bool arch_irq_work_has_interrupt(void)
return boot_cpu_has(X86_FEATURE_APIC);
}
extern void arch_irq_work_raise(void);
+extern __visible void smp_irq_work_interrupt(struct pt_regs *regs);
#else
static inline bool arch_irq_work_has_interrupt(void)
{
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index 4c723632c036..5ed3cf1c3934 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -92,6 +92,7 @@ void kvm_async_pf_task_wait(u32 token, int interrupt_kernel);
void kvm_async_pf_task_wake(u32 token);
u32 kvm_read_and_reset_pf_reason(void);
extern void kvm_disable_steal_time(void);
+void do_async_page_fault(struct pt_regs *regs, unsigned long error_code);

#ifdef CONFIG_PARAVIRT_SPINLOCKS
void __init kvm_spinlock_init(void);
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 4bf42f9e4eea..a97f28d914d5 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -26,6 +26,11 @@ struct static_key;
extern struct static_key paravirt_steal_enabled;
extern struct static_key paravirt_steal_rq_enabled;

+__visible void __native_queued_spin_unlock(struct qspinlock *lock);
+bool pv_is_native_spin_unlock(void);
+__visible bool __native_vcpu_is_preempted(long cpu);
+bool pv_is_native_vcpu_is_preempted(void);
+
static inline u64 paravirt_steal_clock(int cpu)
{
return PVOP_CALL1(u64, time.steal_clock, cpu);
diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h
index a671a1145906..04c17be9b5fd 100644
--- a/arch/x86/include/asm/reboot.h
+++ b/arch/x86/include/asm/reboot.h
@@ -26,6 +26,7 @@ void __noreturn machine_real_restart(unsigned int type);
#define MRR_APM 1

typedef void (*nmi_shootdown_cb)(int, struct pt_regs*);
+void nmi_panic_self_stop(struct pt_regs *regs);
void nmi_shootdown_cpus(nmi_shootdown_cb callback);
void run_crash_ipi_callback(struct pt_regs *regs);

diff --git a/arch/x86/include/asm/sighandling.h b/arch/x86/include/asm/sighandling.h
index bd26834724e5..2fcbd6f33ef7 100644
--- a/arch/x86/include/asm/sighandling.h
+++ b/arch/x86/include/asm/sighandling.h
@@ -17,4 +17,9 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
struct pt_regs *regs, unsigned long mask);

+
+#ifdef CONFIG_X86_X32_ABI
+asmlinkage long sys32_x32_rt_sigreturn(void);
+#endif
+
#endif /* _ASM_X86_SIGHANDLING_H */
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 547c4fe50711..2e95b6c1bca3 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -148,6 +148,12 @@ void x86_idle_thread_init(unsigned int cpu, struct task_struct *idle);

void smp_store_boot_cpu_info(void);
void smp_store_cpu_info(int id);
+
+asmlinkage __visible void smp_reboot_interrupt(void);
+__visible void smp_reschedule_interrupt(struct pt_regs *regs);
+__visible void smp_call_function_interrupt(struct pt_regs *regs);
+__visible void smp_call_function_single_interrupt(struct pt_regs *r);
+
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
#define cpu_acpi_id(cpu) per_cpu(x86_cpu_to_acpiid, cpu)

diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 877afdedbbc5..5fcdf5687406 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -75,6 +75,10 @@ dotraplinkage void do_segment_not_present(struct pt_regs *regs, long error_code)
dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code);
#ifdef CONFIG_X86_64
dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code);
+asmlinkage __visible notrace struct pt_regs *sync_regs(struct pt_regs *eregs);
+asmlinkage __visible notrace
+struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s);
+void __init trap_init(void);
#endif
dotraplinkage void do_general_protection(struct pt_regs *regs, long error_code);
dotraplinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code);
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index eb5bbfeccb66..8a0c25c6bf09 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -35,6 +35,7 @@ extern struct system_counterval_t convert_art_ns_to_tsc(u64 art_ns);

extern void tsc_early_init(void);
extern void tsc_init(void);
+extern unsigned long calibrate_delay_is_known(void);
extern void mark_tsc_unstable(char *reason);
extern int unsynchronized_tsc(void);
extern int check_tsc_unstable(void);
diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
index 1979a76bfadd..5136e6818da8 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -9,6 +9,7 @@
#include <linux/memblock.h>

#include <asm/proto.h>
+#include <asm/setup.h>

/*
* Some BIOSes seem to corrupt the low 64k of memory during events
@@ -136,7 +137,7 @@ void __init setup_bios_corruption_check(void)
}

-void check_for_bios_corruption(void)
+static void check_for_bios_corruption(void)
{
int i;
int corruption = 0;
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index f631a3f15587..c8b07d8ea5a2 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -37,6 +37,7 @@
#include <asm/reboot.h>
#include <asm/virtext.h>
#include <asm/intel_pt.h>
+#include <asm/crash.h>

/* Used while preparing memory map entries for second kernel */
struct crash_memmap_data {
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 7299dcbf8e85..8d85e00bb40a 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -23,6 +23,7 @@
#include <asm/pci_x86.h>
#include <asm/setup.h>
#include <asm/i8259.h>
+#include <asm/prom.h>

__initdata u64 initial_dtb;
char __initdata cmd_line[COMMAND_LINE_SIZE];
diff --git a/arch/x86/kernel/jailhouse.c b/arch/x86/kernel/jailhouse.c
index 108c48d0d40e..1b2ee55a2dfb 100644
--- a/arch/x86/kernel/jailhouse.c
+++ b/arch/x86/kernel/jailhouse.c
@@ -19,6 +19,7 @@
#include <asm/pci_x86.h>
#include <asm/reboot.h>
#include <asm/setup.h>
+#include <asm/jailhouse_para.h>

static __initdata struct jailhouse_setup_data setup_data;
static unsigned int precalibrated_tsc_khz;
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 3c3ee8982577..b7cb5348f37f 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -22,6 +22,8 @@
#include <linux/utsname.h>
#include <linux/stackprotector.h>
#include <linux/cpuidle.h>
+#include <linux/acpi.h>
+#include <linux/elf-randomize.h>
#include <trace/events/power.h>
#include <linux/hw_breakpoint.h>
#include <asm/cpu.h>
@@ -39,6 +41,7 @@
#include <asm/desc.h>
#include <asm/prctl.h>
#include <asm/spec-ctrl.h>
+#include <asm/proto.h>

/*
* per-CPU TSS segments. Threads are completely 'soft' on Linux,
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 736348ead421..8451f38ad399 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -7,6 +7,7 @@
#include <linux/irq.h>

#include <asm/hpet.h>
+#include <asm/setup.h>

#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_SMP) && defined(CONFIG_PCI)

diff --git a/arch/x86/kernel/tracepoint.c b/arch/x86/kernel/tracepoint.c
index 5bd30c442794..2e85f4dcf77b 100644
--- a/arch/x86/kernel/tracepoint.c
+++ b/arch/x86/kernel/tracepoint.c
@@ -10,6 +10,7 @@

#include <asm/hw_irq.h>
#include <asm/desc.h>
+#include <asm/trace/exceptions.h>

DEFINE_STATIC_KEY_FALSE(trace_pagefault_key);

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index a397907e8d72..182d669cc918 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -420,6 +420,9 @@ enum {
};

void arch_ftrace_update_code(int command);
+void arch_ftrace_update_trampoline(struct ftrace_ops *ops);
+void *arch_ftrace_trampoline_func(struct ftrace_ops *ops, struct dyn_ftrace *rec);
+void arch_ftrace_trampoline_free(struct ftrace_ops *ops);

struct ftrace_rec_iter;

diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 9e4e638fb505..53efedae3d5b 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -174,6 +174,7 @@ int kexec_purgatory_get_set_symbol(struct kimage *image, const char *name,
bool get_value);
void *kexec_purgatory_get_symbol_addr(struct kimage *image, const char *name);

+void * __weak arch_kexec_kernel_image_load(struct kimage *image);
int __weak arch_kexec_apply_relocations_add(struct purgatory_info *pi,
Elf_Shdr *section,
const Elf_Shdr *relsec,
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index b9cd9ebdf9b9..a713e5d156d8 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -76,6 +76,7 @@ extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
extern int early_init_dt_scan_chosen_stdout(void);
extern void early_init_fdt_scan_reserved_mem(void);
extern void early_init_fdt_reserve_self(void);
+extern void __init early_init_dt_scan_chosen_arch(unsigned long node);
extern void early_init_dt_add_memory_arch(u64 base, u64 size);
extern int early_init_dt_mark_hotplug_memory_arch(u64 base, u64 size);
extern int early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size,
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 6c2ffed907f5..a37d7c00da65 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -428,4 +428,5 @@ extern int task_current_syscall(struct task_struct *target, long *callno,
unsigned long args[6], unsigned int maxargs,
unsigned long *sp, unsigned long *pc);

+extern void sigaction_compat_abi(struct k_sigaction *act, struct k_sigaction *oact);
#endif

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