linux-kernel - Re: [PATCH] kexec: Fix kdump failure with notsc

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Date:	Thu, 7 Jul 2016 16:46:33 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Wei Jiangang <weijg.fnst@...fujitsu.com>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org, x86@...nel.org,
	kexec@...ts.infradead.org, tglx@...utronix.de, mingo@...hat.com,
	hpa@...or.com, ebiederm@...ssion.com, fenghua.yu@...el.com,
	izumi.taku@...fujitsu.com, Wei Jiangang <weijg.fnst@...fujitsu.com>
Subject: Re: [PATCH] kexec: Fix kdump failure with notsc

Hi,

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.7-rc6 next-20160706]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Wei-Jiangang/kexec-Fix-kdump-failure-with-notsc/20160707-152535
config: x86_64-randconfig-s5-07071541 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   arch/x86/kernel/machine_kexec_64.c: In function 'machine_kexec':
>> arch/x86/kernel/machine_kexec_64.c:272:33: error: implicit declaration of function 'lapic_disabled' [-Werror=implicit-function-declaration]
     if (image->preserve_context || lapic_disabled()) {
                                    ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/lapic_disabled +272 arch/x86/kernel/machine_kexec_64.c

   266		save_ftrace_enabled = __ftrace_enabled_save();
   267	
   268		/* Interrupts aren't acceptable while we reboot */
   269		local_irq_disable();
   270		hw_breakpoint_disable();
   271	
 > 272		if (image->preserve_context || lapic_disabled()) {
   273	#ifdef CONFIG_X86_IO_APIC
   274			/*
   275			 * We need to put APICs in legacy mode so that we can

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (30554 bytes)