diff options
| -rw-r--r-- | arch/x86/include/asm/trace/common.h | 12 | ||||
| -rw-r--r-- | arch/x86/include/asm/trace/exceptions.h | 18 | ||||
| -rw-r--r-- | arch/x86/include/asm/trace/irq_vectors.h | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/tracepoint.c | 21 | ||||
| -rw-r--r-- | arch/x86/mm/fault.c | 3 |
6 files changed, 6 insertions, 50 deletions
diff --git a/arch/x86/include/asm/trace/common.h b/arch/x86/include/asm/trace/common.h deleted file mode 100644 index f0f9bcdb74d9..000000000000 --- a/arch/x86/include/asm/trace/common.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _ASM_TRACE_COMMON_H -#define _ASM_TRACE_COMMON_H - -#ifdef CONFIG_TRACING -DECLARE_STATIC_KEY_FALSE(trace_pagefault_key); -#define trace_pagefault_enabled() \ - static_branch_unlikely(&trace_pagefault_key) -#else -static inline bool trace_pagefault_enabled(void) { return false; } -#endif - -#endif diff --git a/arch/x86/include/asm/trace/exceptions.h b/arch/x86/include/asm/trace/exceptions.h index 6b1e87194809..34bc8214a2d7 100644 --- a/arch/x86/include/asm/trace/exceptions.h +++ b/arch/x86/include/asm/trace/exceptions.h @@ -6,10 +6,6 @@ #define _TRACE_PAGE_FAULT_H #include <linux/tracepoint.h> -#include <asm/trace/common.h> - -extern int trace_pagefault_reg(void); -extern void trace_pagefault_unreg(void); DECLARE_EVENT_CLASS(x86_exceptions, @@ -34,15 +30,13 @@ DECLARE_EVENT_CLASS(x86_exceptions, (void *)__entry->address, (void *)__entry->ip, __entry->error_code) ); -#define DEFINE_PAGE_FAULT_EVENT(name) \ -DEFINE_EVENT_FN(x86_exceptions, name, \ - TP_PROTO(unsigned long address, struct pt_regs *regs, \ - unsigned long error_code), \ - TP_ARGS(address, regs, error_code), \ - trace_pagefault_reg, trace_pagefault_unreg); +DEFINE_EVENT(x86_exceptions, page_fault_user, + TP_PROTO(unsigned long address, struct pt_regs *regs, unsigned long error_code), + TP_ARGS(address, regs, error_code)); -DEFINE_PAGE_FAULT_EVENT(page_fault_user); -DEFINE_PAGE_FAULT_EVENT(page_fault_kernel); +DEFINE_EVENT(x86_exceptions, page_fault_kernel, + TP_PROTO(unsigned long address, struct pt_regs *regs, unsigned long error_code), + TP_ARGS(address, regs, error_code)); #undef TRACE_INCLUDE_PATH #undef TRACE_INCLUDE_FILE diff --git a/arch/x86/include/asm/trace/irq_vectors.h b/arch/x86/include/asm/trace/irq_vectors.h index 88e7f0f3bf62..7408bebdfde0 100644 --- a/arch/x86/include/asm/trace/irq_vectors.h +++ b/arch/x86/include/asm/trace/irq_vectors.h @@ -6,7 +6,6 @@ #define _TRACE_IRQ_VECTORS_H #include <linux/tracepoint.h> -#include <asm/trace/common.h> #ifdef CONFIG_X86_LOCAL_APIC diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 84cfa179802c..99a783fd4691 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -141,7 +141,6 @@ obj-$(CONFIG_OF) += devicetree.o obj-$(CONFIG_UPROBES) += uprobes.o obj-$(CONFIG_PERF_EVENTS) += perf_regs.o -obj-$(CONFIG_TRACING) += tracepoint.o obj-$(CONFIG_SCHED_MC_PRIO) += itmt.o obj-$(CONFIG_X86_UMIP) += umip.o diff --git a/arch/x86/kernel/tracepoint.c b/arch/x86/kernel/tracepoint.c deleted file mode 100644 index 03ae1caaa878..000000000000 --- a/arch/x86/kernel/tracepoint.c +++ /dev/null @@ -1,21 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2013 Seiji Aguchi <seiji.aguchi@hds.com> - */ -#include <linux/jump_label.h> -#include <linux/atomic.h> - -#include <asm/trace/exceptions.h> - -DEFINE_STATIC_KEY_FALSE(trace_pagefault_key); - -int trace_pagefault_reg(void) -{ - static_branch_inc(&trace_pagefault_key); - return 0; -} - -void trace_pagefault_unreg(void) -{ - static_branch_dec(&trace_pagefault_key); -} diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 296d294142c8..7e3e51fa1f95 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -1455,9 +1455,6 @@ static __always_inline void trace_page_fault_entries(struct pt_regs *regs, unsigned long error_code, unsigned long address) { - if (!trace_pagefault_enabled()) - return; - if (user_mode(regs)) trace_page_fault_user(address, regs, error_code); else |