tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev head: 477fc1978395d58ae0406293a1d963629778a39d commit: 354238a30982b817262fe6f9d00f808451694366 [5/99] rcu/x86: Provide early rcu_cpu_starting() callback config: i386-randconfig-i1-201820 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: git checkout 354238a30982b817262fe6f9d00f808451694366 # save the attached .config to linux build tree make ARCH=i386
All errors (new ones prefixed by >>):
arch/x86/kernel/cpu/mtrr/main.o: In function `mtrr_ap_init':
>> arch/x86/kernel/cpu/mtrr/main.c:797: undefined reference to
>> `rcu_cpu_starting'
vim +797 arch/x86/kernel/cpu/mtrr/main.c
788
789 void mtrr_ap_init(void)
790 {
791 if (!mtrr_enabled())
792 return;
793
794 if (!use_intel() || mtrr_aps_delayed_init)
795 return;
796
> 797 rcu_cpu_starting(smp_processor_id());
798
799 /*
800 * Ideally we should hold mtrr_mutex here to avoid mtrr entries
801 * changed, but this routine will be called in cpu boot time,
802 * holding the lock breaks it.
803 *
804 * This routine is called in two cases:
805 *
806 * 1. very earily time of software resume, when there
absolutely
807 * isn't mtrr entry changes;
808 *
809 * 2. cpu hotadd time. We let mtrr_add/del_page hold
cpuhotplug
810 * lock to prevent mtrr entry changes
811 */
812 set_mtrr_from_inactive_cpu(~0U, 0, 0, 0);
813 }
814
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
