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x86: kprobes leftover cleanups
Eliminate __always_inline, all of these static functions are only called once. Minor whitespace cleanup. Eliminate one supefluous return at end of void function. Change the one #ifndef to #ifdef to match the sense of the rest of the config tests. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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1 changed files with 6 additions and 8 deletions
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@ -159,7 +159,7 @@ struct kretprobe_blackpoint kretprobe_blacklist[] = {
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const int kretprobe_blacklist_size = ARRAY_SIZE(kretprobe_blacklist);
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/* Insert a jump instruction at address 'from', which jumps to address 'to'.*/
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static __always_inline void set_jmp_op(void *from, void *to)
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static void __kprobes set_jmp_op(void *from, void *to)
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{
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struct __arch_jmp_op {
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char op;
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@ -174,7 +174,7 @@ static __always_inline void set_jmp_op(void *from, void *to)
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* Returns non-zero if opcode is boostable.
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* RIP relative instructions are adjusted at copying time in 64 bits mode
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*/
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static __always_inline int can_boost(kprobe_opcode_t *opcodes)
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static int __kprobes can_boost(kprobe_opcode_t *opcodes)
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{
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kprobe_opcode_t opcode;
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kprobe_opcode_t *orig_opcodes = opcodes;
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@ -392,13 +392,13 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
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kcb->kprobe_saved_flags &= ~X86_EFLAGS_IF;
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}
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static __always_inline void clear_btf(void)
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static void __kprobes clear_btf(void)
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{
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if (test_thread_flag(TIF_DEBUGCTLMSR))
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wrmsr(MSR_IA32_DEBUGCTLMSR, 0, 0);
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}
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static __always_inline void restore_btf(void)
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static void __kprobes restore_btf(void)
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{
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if (test_thread_flag(TIF_DEBUGCTLMSR))
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wrmsr(MSR_IA32_DEBUGCTLMSR, current->thread.debugctlmsr, 0);
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@ -409,7 +409,7 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
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clear_btf();
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regs->flags |= X86_EFLAGS_TF;
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regs->flags &= ~X86_EFLAGS_IF;
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/*single step inline if the instruction is an int3*/
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/* single step inline if the instruction is an int3 */
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if (p->opcode == BREAKPOINT_INSTRUCTION)
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regs->ip = (unsigned long)p->addr;
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else
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@ -767,7 +767,7 @@ static void __kprobes resume_execution(struct kprobe *p,
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case 0xe8: /* call relative - Fix return addr */
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*tos = orig_ip + (*tos - copy_ip);
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break;
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#ifndef CONFIG_X86_64
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#ifdef CONFIG_X86_32
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case 0x9a: /* call absolute -- same as call absolute, indirect */
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*tos = orig_ip + (*tos - copy_ip);
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goto no_change;
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@ -813,8 +813,6 @@ static void __kprobes resume_execution(struct kprobe *p,
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no_change:
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restore_btf();
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return;
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}
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/*
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