Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cleanups from Ingo Molnar:
 "Misc cleanups"

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kprobes: Remove trampoline_handler() prototype
  x86/kernel: Fix more -Wmissing-prototypes warnings
  x86: Fix various typos in comments
  x86/headers: Fix -Wmissing-prototypes warning
  x86/process: Avoid unnecessary NULL check in get_wchan()
  x86/traps: Complete prototype declarations
  x86/mce: Fix -Wmissing-prototypes warnings
  x86/gart: Rewrite early_gart_iommu_check() comment

6 files changed, 12 insertions, 0 deletions

diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
index cf59e6210d27..4f34734e7f36 100644
--- a/include/acpi/cppc_acpi.h
+++ b/include/acpi/cppc_acpi.h
@@ -142,5 +142,8 @@ extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls);
 extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps);
 extern int acpi_get_psd_map(struct cppc_cpudata **);
 extern unsigned int cppc_get_transition_latency(int cpu);
+extern bool cpc_ffh_supported(void);
+extern int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val);
+extern int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val);
 
 #endif /* _CPPC_ACPI_H*/
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index dd16e8218db3..5c990e891d6a 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 d58d1f2fab10..b9b1bc5f9669 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -183,6 +183,7 @@ 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/kprobes.h b/include/linux/kprobes.h
index 5da8a1de2187..e07e91daaacc 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -382,6 +382,9 @@ int enable_kprobe(struct kprobe *kp);
 
 void dump_kprobe(struct kprobe *kp);
 
+void *alloc_insn_page(void);
+void free_insn_page(void *page);
+
 #else /* !CONFIG_KPROBES: */
 
 static inline int kprobes_built_in(void)
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 de20ede2c5c8..edb9b040c94c 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -411,4 +411,5 @@ 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