x86/kernel: Fix more -Wmissing-prototypes warnings
... with the goal of eventually enabling -Wmissing-prototypes by default. At least on x86. Make functions static where possible, otherwise add prototypes or make them visible through includes. asm/trace/ changes courtesy of Steven Rostedt <rostedt@goodmis.org>. Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Ingo Molnar <mingo@kernel.org> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> # ACPI + cpufreq bits Cc: Andrew Banman <andrew.banman@hpe.com> Cc: Dimitri Sivanich <dimitri.sivanich@hpe.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mike Travis <mike.travis@hpe.com> Cc: "Steven Rostedt (VMware)" <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Yi Wang <wang.yi59@zte.com.cn> Cc: linux-acpi@vger.kernel.org
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@ -46,6 +46,9 @@ extern unsigned long saved_video_mode;
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extern void reserve_standard_io_resources(void);
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extern void i386_reserve_resources(void);
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extern unsigned long __startup_64(unsigned long physaddr, struct boot_params *bp);
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extern unsigned long __startup_secondary_64(void);
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extern int early_make_pgtable(unsigned long address);
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#ifdef CONFIG_X86_INTEL_MID
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extern void x86_intel_mid_early_setup(void);
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@ -45,6 +45,7 @@ DEFINE_PAGE_FAULT_EVENT(page_fault_user);
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DEFINE_PAGE_FAULT_EVENT(page_fault_kernel);
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE exceptions
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#endif /* _TRACE_PAGE_FAULT_H */
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@ -389,6 +389,7 @@ TRACE_EVENT(vector_free_moved,
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#endif /* CONFIG_X86_LOCAL_APIC */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE irq_vectors
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#endif /* _TRACE_IRQ_VECTORS_H */
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@ -113,6 +113,11 @@ asmlinkage void smp_threshold_interrupt(struct pt_regs *regs);
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asmlinkage void smp_deferred_error_interrupt(struct pt_regs *regs);
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#endif
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void smp_apic_timer_interrupt(struct pt_regs *regs);
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void smp_spurious_interrupt(struct pt_regs *regs);
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void smp_error_interrupt(struct pt_regs *regs);
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asmlinkage void smp_irq_move_cleanup_interrupt(void);
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extern void ist_enter(struct pt_regs *regs);
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extern void ist_exit(struct pt_regs *regs);
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extern void ist_begin_non_atomic(struct pt_regs *regs);
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@ -44,6 +44,7 @@
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#include <asm/mpspec.h>
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#include <asm/i8259.h>
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#include <asm/proto.h>
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#include <asm/traps.h>
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#include <asm/apic.h>
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#include <asm/io_apic.h>
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#include <asm/desc.h>
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@ -8,6 +8,7 @@
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* Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
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* James Cleverdon.
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*/
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#include <linux/acpi.h>
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#include <linux/errno.h>
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#include <linux/threads.h>
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#include <linux/cpumask.h>
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@ -16,12 +17,12 @@
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#include <linux/ctype.h>
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#include <linux/hardirq.h>
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#include <linux/export.h>
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#include <asm/smp.h>
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#include <asm/apic.h>
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#include <asm/ipi.h>
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#include <asm/jailhouse_para.h>
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#include <linux/acpi.h>
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#include <asm/smp.h>
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#include <asm/ipi.h>
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#include <asm/apic.h>
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#include <asm/apic_flat_64.h>
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#include <asm/jailhouse_para.h>
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static struct apic apic_physflat;
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static struct apic apic_flat;
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@ -18,6 +18,7 @@
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#include <linux/slab.h>
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#include <asm/irqdomain.h>
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#include <asm/hw_irq.h>
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#include <asm/traps.h>
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#include <asm/apic.h>
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#include <asm/i8259.h>
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#include <asm/desc.h>
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@ -1079,7 +1079,7 @@ late_initcall(uv_init_heartbeat);
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#endif /* !CONFIG_HOTPLUG_CPU */
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/* Direct Legacy VGA I/O traffic to designated IOH */
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int uv_set_vga_state(struct pci_dev *pdev, bool decode, unsigned int command_bits, u32 flags)
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static int uv_set_vga_state(struct pci_dev *pdev, bool decode, unsigned int command_bits, u32 flags)
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{
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int domain, bus, rc;
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@ -1148,7 +1148,7 @@ static void get_mn(struct mn *mnp)
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mnp->m_shift = mnp->m_val ? 64 - mnp->m_val : 0;
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}
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void __init uv_init_hub_info(struct uv_hub_info_s *hi)
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static void __init uv_init_hub_info(struct uv_hub_info_s *hi)
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{
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union uvh_node_id_u node_id;
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struct mn mn;
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@ -29,7 +29,8 @@
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# include "asm-offsets_64.c"
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#endif
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void common(void) {
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static void __used common(void)
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{
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BLANK();
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OFFSET(TASK_threadsp, task_struct, thread.sp);
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#ifdef CONFIG_STACKPROTECTOR
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@ -15,6 +15,7 @@
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#include <asm/smp.h>
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#include <asm/pci-direct.h>
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#include <asm/delay.h>
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#include <asm/debugreg.h>
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#ifdef CONFIG_X86_64
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# include <asm/mmconfig.h>
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@ -12,6 +12,7 @@
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#include <linux/ktime.h>
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#include <linux/math64.h>
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#include <linux/percpu.h>
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#include <linux/cpufreq.h>
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#include <linux/smp.h>
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#include "cpu.h"
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@ -32,6 +32,8 @@
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#include <asm/e820/api.h>
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#include <asm/hypervisor.h>
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#include "cpu.h"
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static void __init spectre_v2_select_mitigation(void);
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static void __init ssb_select_mitigation(void);
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static void __init l1tf_select_mitigation(void);
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@ -17,6 +17,7 @@
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#include <linux/pci.h>
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#include <asm/cpufeature.h>
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#include <asm/cacheinfo.h>
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#include <asm/amd_nb.h>
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#include <asm/smp.h>
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@ -5,9 +5,10 @@
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#include <linux/cpu.h>
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#include <asm/pat.h>
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#include <asm/apic.h>
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#include <asm/processor.h>
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#include <asm/apic.h>
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#include "cpu.h"
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struct cpuid_bit {
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u16 feature;
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@ -10,6 +10,8 @@
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#include <asm/pat.h>
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#include <asm/processor.h>
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#include "cpu.h"
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/* leaf 0xb SMT level */
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#define SMT_LEVEL 0
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@ -811,7 +811,7 @@ void fpu__resume_cpu(void)
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*
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* Note: does not work for compacted buffers.
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*/
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void *__raw_xsave_addr(struct xregs_state *xsave, int xstate_feature_mask)
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static void *__raw_xsave_addr(struct xregs_state *xsave, int xstate_feature_mask)
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{
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int feature_nr = fls64(xstate_feature_mask) - 1;
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@ -66,6 +66,8 @@
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#include "common.h"
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void *trampoline_handler(struct pt_regs *regs);
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DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
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DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
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@ -19,12 +19,15 @@
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#include <linux/dmi.h>
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#include <linux/err.h>
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#include <linux/efi.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/pci.h>
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#include <linux/screen_info.h>
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#include <video/vga.h>
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#include <asm/efi.h>
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#include <asm/sysfb.h>
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enum {
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@ -11,6 +11,7 @@
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#include <asm/hw_irq.h>
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#include <asm/desc.h>
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#include <asm/trace/exceptions.h>
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#include <asm/trace/irq_vectors.h>
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DEFINE_STATIC_KEY_FALSE(trace_pagefault_key);
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@ -142,5 +142,8 @@ extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls);
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extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps);
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extern int acpi_get_psd_map(struct cppc_cpudata **);
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extern unsigned int cppc_get_transition_latency(int cpu);
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extern bool cpc_ffh_supported(void);
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extern int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val);
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extern int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val);
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#endif /* _CPPC_ACPI_H*/
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@ -379,6 +379,9 @@ int enable_kprobe(struct kprobe *kp);
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void dump_kprobe(struct kprobe *kp);
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void *alloc_insn_page(void);
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void free_insn_page(void *page);
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#else /* !CONFIG_KPROBES: */
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static inline int kprobes_built_in(void)
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