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SubjectRe: [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
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