linux-kernel - [frederic-dynticks:rcu/context-tracking-v4 10/20] kernel/entry/common.c:452: undefined reference to `ct_nmi

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Message-ID: <202206050647.OqMhvNtv-lkp@intel.com>
Date:   Sun, 5 Jun 2022 06:40:56 +0800
From:   kernel test robot <lkp@...el.com>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [frederic-dynticks:rcu/context-tracking-v4 10/20]
 kernel/entry/common.c:452: undefined reference to `ct_nmi_enter'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git rcu/context-tracking-v4
head:   77493b1db618c61dec140cbab830832f77203d69
commit: d3d60b6390751cda15d2295725673f78303e4ea4 [10/20] context_tracking: Take NMI eqs entrypoints over RCU
config: x86_64-randconfig-a008 (https://download.01.org/0day-ci/archive/20220605/202206050647.OqMhvNtv-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git/commit/?id=d3d60b6390751cda15d2295725673f78303e4ea4
        git remote add frederic-dynticks https://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
        git fetch --no-tags frederic-dynticks rcu/context-tracking-v4
        git checkout d3d60b6390751cda15d2295725673f78303e4ea4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   vmlinux.o: warning: objtool: pvh_start_xen()+0x0: unreachable instruction
   ld: vmlinux.o: in function `irq_enter':
   kernel/softirq.c:610: undefined reference to `ct_irq_enter'
   ld: vmlinux.o: in function `irq_exit':
   kernel/softirq.c:662: undefined reference to `ct_irq_exit'
   ld: vmlinux.o: in function `trace_console_rcuidle':
   include/trace/events/printk.h:10: undefined reference to `ct_irq_enter_irqson'
   ld: include/trace/events/printk.h:10: undefined reference to `ct_irq_exit_irqson'
   ld: vmlinux.o: in function `bc_set_next':
   kernel/time/tick-broadcast-hrtimer.c:64: undefined reference to `ct_irq_enter_irqson'
   ld: kernel/time/tick-broadcast-hrtimer.c:64: undefined reference to `ct_irq_exit_irqson'
   ld: vmlinux.o: in function `trace_irq_disable_rcuidle':
   include/trace/events/preemptirq.h:36: undefined reference to `ct_irq_enter_irqson'
   ld: include/trace/events/preemptirq.h:36: undefined reference to `ct_irq_exit_irqson'
   ld: vmlinux.o: in function `trace_irq_enable_rcuidle':
   include/trace/events/preemptirq.h:40: undefined reference to `ct_irq_enter_irqson'
   ld: include/trace/events/preemptirq.h:40: undefined reference to `ct_irq_exit_irqson'
   ld: vmlinux.o: in function `trace_clk_disable_rcuidle':
   include/trace/events/clk.h:46: undefined reference to `ct_irq_enter_irqson'
   ld: include/trace/events/clk.h:46: undefined reference to `ct_irq_exit_irqson'
   ld: vmlinux.o: in function `trace_clk_disable_complete_rcuidle':
   include/trace/events/clk.h:53: undefined reference to `ct_irq_enter_irqson'
   ld: include/trace/events/clk.h:53: undefined reference to `ct_irq_exit_irqson'
   ld: vmlinux.o: in function `trace_clk_enable_rcuidle':
   include/trace/events/clk.h:32: undefined reference to `ct_irq_enter_irqson'
   ld: include/trace/events/clk.h:32: undefined reference to `ct_irq_exit_irqson'
   ld: vmlinux.o: in function `trace_clk_enable_complete_rcuidle':
   include/trace/events/clk.h:39: undefined reference to `ct_irq_enter_irqson'
   ld: include/trace/events/clk.h:39: undefined reference to `ct_irq_exit_irqson'
   ld: vmlinux.o: in function `irqentry_nmi_enter':
>> kernel/entry/common.c:452: undefined reference to `ct_nmi_enter'
   ld: vmlinux.o: in function `irqentry_nmi_exit':
>> kernel/entry/common.c:472: undefined reference to `ct_nmi_exit'
   ld: vmlinux.o: in function `irqentry_exit':
   kernel/entry/common.c:421: undefined reference to `ct_irq_exit'
   ld: kernel/entry/common.c:439: undefined reference to `ct_irq_exit'


vim +452 kernel/entry/common.c

   442	
   443	irqentry_state_t noinstr irqentry_nmi_enter(struct pt_regs *regs)
   444	{
   445		irqentry_state_t irq_state;
   446	
   447		irq_state.lockdep = lockdep_hardirqs_enabled();
   448	
   449		__nmi_enter();
   450		lockdep_hardirqs_off(CALLER_ADDR0);
   451		lockdep_hardirq_enter();
 > 452		ct_nmi_enter();
   453	
   454		instrumentation_begin();
   455		trace_hardirqs_off_finish();
   456		ftrace_nmi_enter();
   457		instrumentation_end();
   458	
   459		return irq_state;
   460	}
   461	
   462	void noinstr irqentry_nmi_exit(struct pt_regs *regs, irqentry_state_t irq_state)
   463	{
   464		instrumentation_begin();
   465		ftrace_nmi_exit();
   466		if (irq_state.lockdep) {
   467			trace_hardirqs_on_prepare();
   468			lockdep_hardirqs_on_prepare(CALLER_ADDR0);
   469		}
   470		instrumentation_end();
   471	
 > 472		ct_nmi_exit();

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