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-rw-r--r--arch/alpha/include/asm/perf_event.h6
-rw-r--r--arch/alpha/kernel/irq_alpha.c2
-rw-r--r--arch/alpha/kernel/perf_event.c9
-rw-r--r--arch/arm/kernel/perf_event.c2
-rw-r--r--arch/mips/kernel/perf_event_mipsxx.c2
-rw-r--r--arch/powerpc/kernel/e500-pmu.c2
-rw-r--r--arch/powerpc/kernel/mpc7450-pmu.c2
-rw-r--r--arch/powerpc/kernel/power4-pmu.c2
-rw-r--r--arch/powerpc/kernel/power5+-pmu.c2
-rw-r--r--arch/powerpc/kernel/power5-pmu.c2
-rw-r--r--arch/powerpc/kernel/power6-pmu.c2
-rw-r--r--arch/powerpc/kernel/power7-pmu.c2
-rw-r--r--arch/powerpc/kernel/ppc970-pmu.c2
-rw-r--r--arch/sh/kernel/cpu/sh4/perf_event.c2
-rw-r--r--arch/sh/kernel/cpu/sh4a/perf_event.c2
-rw-r--r--arch/sparc/include/asm/perf_event.h4
-rw-r--r--arch/sparc/kernel/nmi.c2
-rw-r--r--arch/sparc/kernel/perf_event.c7
-rw-r--r--arch/x86/include/asm/perf_event.h2
-rw-r--r--arch/x86/kernel/cpu/common.c1
-rw-r--r--arch/x86/kernel/cpu/perf_event.c11
21 files changed, 30 insertions, 38 deletions
diff --git a/arch/alpha/include/asm/perf_event.h b/arch/alpha/include/asm/perf_event.h
index fe792ca818f..5996e7a6757 100644
--- a/arch/alpha/include/asm/perf_event.h
+++ b/arch/alpha/include/asm/perf_event.h
@@ -1,10 +1,4 @@
#ifndef __ASM_ALPHA_PERF_EVENT_H
#define __ASM_ALPHA_PERF_EVENT_H
-#ifdef CONFIG_PERF_EVENTS
-extern void init_hw_perf_events(void);
-#else
-static inline void init_hw_perf_events(void) { }
-#endif
-
#endif /* __ASM_ALPHA_PERF_EVENT_H */
diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index 5f77afb88e8..4c8bb374eb0 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -112,8 +112,6 @@ init_IRQ(void)
wrent(entInt, 0);
alpha_mv.init_irq();
-
- init_hw_perf_events();
}
/*
diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c
index 1cc49683fb6..3283059b6e8 100644
--- a/arch/alpha/kernel/perf_event.c
+++ b/arch/alpha/kernel/perf_event.c
@@ -14,6 +14,7 @@
#include <linux/kernel.h>
#include <linux/kdebug.h>
#include <linux/mutex.h>
+#include <linux/init.h>
#include <asm/hwrpb.h>
#include <asm/atomic.h>
@@ -863,13 +864,13 @@ static void alpha_perf_event_irq_handler(unsigned long la_ptr,
/*
* Init call to initialise performance events at kernel startup.
*/
-void __init init_hw_perf_events(void)
+int __init init_hw_perf_events(void)
{
pr_info("Performance events: ");
if (!supported_cpu()) {
pr_cont("No support for your CPU.\n");
- return;
+ return 0;
}
pr_cont("Supported CPU type!\n");
@@ -882,5 +883,7 @@ void __init init_hw_perf_events(void)
alpha_pmu = &ev67_pmu;
perf_pmu_register(&pmu);
-}
+ return 0;
+}
+early_initcall(init_hw_perf_events);
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 07a50357492..d45f70e5f2e 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -3038,7 +3038,7 @@ init_hw_perf_events(void)
return 0;
}
-arch_initcall(init_hw_perf_events);
+early_initcall(init_hw_perf_events);
/*
* Callchain handling code.
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 5c7c6fc0756..183e0d22666 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -1047,6 +1047,6 @@ init_hw_perf_events(void)
return 0;
}
-arch_initcall(init_hw_perf_events);
+early_initcall(init_hw_perf_events);
#endif /* defined(CONFIG_CPU_MIPS32)... */
diff --git a/arch/powerpc/kernel/e500-pmu.c b/arch/powerpc/kernel/e500-pmu.c
index 7c07de0d894..b150b510510 100644
--- a/arch/powerpc/kernel/e500-pmu.c
+++ b/arch/powerpc/kernel/e500-pmu.c
@@ -126,4 +126,4 @@ static int init_e500_pmu(void)
return register_fsl_emb_pmu(&e500_pmu);
}
-arch_initcall(init_e500_pmu);
+early_initcall(init_e500_pmu);
diff --git a/arch/powerpc/kernel/mpc7450-pmu.c b/arch/powerpc/kernel/mpc7450-pmu.c
index 09d72028f31..2cc5e0301d0 100644
--- a/arch/powerpc/kernel/mpc7450-pmu.c
+++ b/arch/powerpc/kernel/mpc7450-pmu.c
@@ -414,4 +414,4 @@ static int init_mpc7450_pmu(void)
return register_power_pmu(&mpc7450_pmu);
}
-arch_initcall(init_mpc7450_pmu);
+early_initcall(init_mpc7450_pmu);
diff --git a/arch/powerpc/kernel/power4-pmu.c b/arch/powerpc/kernel/power4-pmu.c
index 2a361cdda63..ead8b3c2649 100644
--- a/arch/powerpc/kernel/power4-pmu.c
+++ b/arch/powerpc/kernel/power4-pmu.c
@@ -613,4 +613,4 @@ static int init_power4_pmu(void)
return register_power_pmu(&power4_pmu);
}
-arch_initcall(init_power4_pmu);
+early_initcall(init_power4_pmu);
diff --git a/arch/powerpc/kernel/power5+-pmu.c b/arch/powerpc/kernel/power5+-pmu.c
index 199de527d41..eca0ac595cb 100644
--- a/arch/powerpc/kernel/power5+-pmu.c
+++ b/arch/powerpc/kernel/power5+-pmu.c
@@ -682,4 +682,4 @@ static int init_power5p_pmu(void)
return register_power_pmu(&power5p_pmu);
}
-arch_initcall(init_power5p_pmu);
+early_initcall(init_power5p_pmu);
diff --git a/arch/powerpc/kernel/power5-pmu.c b/arch/powerpc/kernel/power5-pmu.c
index 98b6a729a9d..d5ff0f64a5e 100644
--- a/arch/powerpc/kernel/power5-pmu.c
+++ b/arch/powerpc/kernel/power5-pmu.c
@@ -621,4 +621,4 @@ static int init_power5_pmu(void)
return register_power_pmu(&power5_pmu);
}
-arch_initcall(init_power5_pmu);
+early_initcall(init_power5_pmu);
diff --git a/arch/powerpc/kernel/power6-pmu.c b/arch/powerpc/kernel/power6-pmu.c
index 84a607bda8f..31603927e37 100644
--- a/arch/powerpc/kernel/power6-pmu.c
+++ b/arch/powerpc/kernel/power6-pmu.c
@@ -544,4 +544,4 @@ static int init_power6_pmu(void)
return register_power_pmu(&power6_pmu);
}
-arch_initcall(init_power6_pmu);
+early_initcall(init_power6_pmu);
diff --git a/arch/powerpc/kernel/power7-pmu.c b/arch/powerpc/kernel/power7-pmu.c
index 852f7b7f6b4..593740fcb79 100644
--- a/arch/powerpc/kernel/power7-pmu.c
+++ b/arch/powerpc/kernel/power7-pmu.c
@@ -369,4 +369,4 @@ static int init_power7_pmu(void)
return register_power_pmu(&power7_pmu);
}
-arch_initcall(init_power7_pmu);
+early_initcall(init_power7_pmu);
diff --git a/arch/powerpc/kernel/ppc970-pmu.c b/arch/powerpc/kernel/ppc970-pmu.c
index 3fee685de4d..9a6e093858f 100644
--- a/arch/powerpc/kernel/ppc970-pmu.c
+++ b/arch/powerpc/kernel/ppc970-pmu.c
@@ -494,4 +494,4 @@ static int init_ppc970_pmu(void)
return register_power_pmu(&ppc970_pmu);
}
-arch_initcall(init_ppc970_pmu);
+early_initcall(init_ppc970_pmu);
diff --git a/arch/sh/kernel/cpu/sh4/perf_event.c b/arch/sh/kernel/cpu/sh4/perf_event.c
index dbf3b4bb71f..748955df018 100644
--- a/arch/sh/kernel/cpu/sh4/perf_event.c
+++ b/arch/sh/kernel/cpu/sh4/perf_event.c
@@ -250,4 +250,4 @@ static int __init sh7750_pmu_init(void)
return register_sh_pmu(&sh7750_pmu);
}
-arch_initcall(sh7750_pmu_init);
+early_initcall(sh7750_pmu_init);
diff --git a/arch/sh/kernel/cpu/sh4a/perf_event.c b/arch/sh/kernel/cpu/sh4a/perf_event.c
index 58027652573..17e6bebfede 100644
--- a/arch/sh/kernel/cpu/sh4a/perf_event.c
+++ b/arch/sh/kernel/cpu/sh4a/perf_event.c
@@ -284,4 +284,4 @@ static int __init sh4a_pmu_init(void)
return register_sh_pmu(&sh4a_pmu);
}
-arch_initcall(sh4a_pmu_init);
+early_initcall(sh4a_pmu_init);
diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h
index 6e8bfa1786d..4d3dbe3703e 100644
--- a/arch/sparc/include/asm/perf_event.h
+++ b/arch/sparc/include/asm/perf_event.h
@@ -4,8 +4,6 @@
#ifdef CONFIG_PERF_EVENTS
#include <asm/ptrace.h>
-extern void init_hw_perf_events(void);
-
#define perf_arch_fetch_caller_regs(regs, ip) \
do { \
unsigned long _pstate, _asi, _pil, _i7, _fp; \
@@ -26,8 +24,6 @@ do { \
(regs)->u_regs[UREG_I6] = _fp; \
(regs)->u_regs[UREG_I7] = _i7; \
} while (0)
-#else
-static inline void init_hw_perf_events(void) { }
#endif
#endif
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index a4bd7ba74c8..300f810142f 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -270,8 +270,6 @@ int __init nmi_init(void)
atomic_set(&nmi_active, -1);
}
}
- if (!err)
- init_hw_perf_events();
return err;
}
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 0d6deb55a2a..75c5b126397 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1307,20 +1307,23 @@ static bool __init supported_pmu(void)
return false;
}
-void __init init_hw_perf_events(void)
+int __init init_hw_perf_events(void)
{
pr_info("Performance events: ");
if (!supported_pmu()) {
pr_cont("No support for PMU type '%s'\n", sparc_pmu_type);
- return;
+ return 0;
}
pr_cont("Supported PMU type is '%s'\n", sparc_pmu_type);
perf_pmu_register(&pmu);
register_die_notifier(&perf_event_nmi_notifier);
+
+ return 0;
}
+early_initcall(init_hw_perf_event);
void perf_callchain_kernel(struct perf_callchain_entry *entry,
struct pt_regs *regs)
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 550e26b1dbb..d9d4dae305f 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -125,7 +125,6 @@ union cpuid10_edx {
#define IBS_OP_MAX_CNT_EXT 0x007FFFFFULL /* not a register bit mask */
#ifdef CONFIG_PERF_EVENTS
-extern void init_hw_perf_events(void);
extern void perf_events_lapic_init(void);
#define PERF_EVENT_INDEX_OFFSET 0
@@ -156,7 +155,6 @@ extern unsigned long perf_misc_flags(struct pt_regs *regs);
}
#else
-static inline void init_hw_perf_events(void) { }
static inline void perf_events_lapic_init(void) { }
#endif
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 4b68bda3093..1d59834396b 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -894,7 +894,6 @@ void __init identify_boot_cpu(void)
#else
vgetcpu_set_mode();
#endif
- init_hw_perf_events();
}
void __cpuinit identify_secondary_cpu(struct cpuinfo_x86 *c)
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index c01dfec635d..817d2b195e8 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1353,7 +1353,7 @@ static void __init pmu_check_apic(void)
pr_info("no hardware sampling interrupt available.\n");
}
-void __init init_hw_perf_events(void)
+int __init init_hw_perf_events(void)
{
struct event_constraint *c;
int err;
@@ -1368,11 +1368,11 @@ void __init init_hw_perf_events(void)
err = amd_pmu_init();
break;
default:
- return;
+ return 0;
}
if (err != 0) {
pr_cont("no PMU driver, software events only.\n");
- return;
+ return 0;
}
pmu_check_apic();
@@ -1380,7 +1380,7 @@ void __init init_hw_perf_events(void)
/* sanity check that the hardware exists or is emulated */
if (!check_hw_exists()) {
pr_cont("Broken PMU hardware detected, software events only.\n");
- return;
+ return 0;
}
pr_cont("%s PMU driver.\n", x86_pmu.name);
@@ -1431,7 +1431,10 @@ void __init init_hw_perf_events(void)
perf_pmu_register(&pmu);
perf_cpu_notifier(x86_pmu_notifier);
+
+ return 0;
}
+early_initcall(init_hw_perf_events);
static inline void x86_pmu_read(struct perf_event *event)
{
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-12 11:53:38 +0000