Hi Sasha, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 69c37a92ddbf79d9672230f21a04580d7ac2f4c3 commit: 71458cfc782eafe4b27656e078d379a34e472adf kernel: add support for gcc 5 date: 1 year, 2 months ago config: x86_64-randconfig-x006-201551 (attached as .config) reproduce: git checkout 71458cfc782eafe4b27656e078d379a34e472adf # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): arch/x86/xen/suspend.c: In function 'xen_arch_pre_suspend': >> arch/x86/xen/suspend.c:70:9: error: implicit declaration of function 'xen_pv_domain' [-Werror=implicit-function-declaration] if (xen_pv_domain()) ^ cc1: some warnings being treated as errors vim +/xen_pv_domain +70 arch/x86/xen/suspend.c 0e91398f Jeremy Fitzhardinge 2008-05-26 54 pfn_to_mfn(xen_start_info->store_mfn); 0e91398f Jeremy Fitzhardinge 2008-05-26 55 xen_start_info->console.domU.mfn = 0e91398f Jeremy Fitzhardinge 2008-05-26 56 pfn_to_mfn(xen_start_info->console.domU.mfn); 0e91398f Jeremy Fitzhardinge 2008-05-26 57 } else { 0e91398f Jeremy Fitzhardinge 2008-05-26 58 #ifdef CONFIG_SMP b78936e1 Mike Travis 2008-12-16 59 BUG_ON(xen_cpu_initialized_map == NULL); b78936e1 Mike Travis 2008-12-16 60 cpumask_copy(xen_cpu_initialized_map, cpu_online_mask); 0e91398f Jeremy Fitzhardinge 2008-05-26 61 #endif 9c7a7942 Jeremy Fitzhardinge 2008-05-31 62 xen_vcpu_restore(); 0e91398f Jeremy Fitzhardinge 2008-05-26 63 } 0e91398f Jeremy Fitzhardinge 2008-05-26 64 aa8532c3 David Vrabel 2014-05-08 65 xen_mm_unpin_all(); aa8532c3 David Vrabel 2014-05-08 66 } aa8532c3 David Vrabel 2014-05-08 67 aa8532c3 David Vrabel 2014-05-08 68 void xen_arch_pre_suspend(void) aa8532c3 David Vrabel 2014-05-08 69 { aa8532c3 David Vrabel 2014-05-08 @70 if (xen_pv_domain()) aa8532c3 David Vrabel 2014-05-08 71 xen_pv_pre_suspend(); aa8532c3 David Vrabel 2014-05-08 72 } aa8532c3 David Vrabel 2014-05-08 73 aa8532c3 David Vrabel 2014-05-08 74 void xen_arch_post_suspend(int cancelled) aa8532c3 David Vrabel 2014-05-08 75 { aa8532c3 David Vrabel 2014-05-08 76 if (xen_pv_domain()) aa8532c3 David Vrabel 2014-05-08 77 xen_pv_post_suspend(cancelled); aa8532c3 David Vrabel 2014-05-08 78 else :::::: The code at line 70 was first introduced by commit :::::: aa8532c32216ae07c3813b9aeb774517878a7573 xen: refactor suspend pre/post hooks :::::: TO: David Vrabel <david.vrabel@xxxxxxxxxx> :::::: CC: David Vrabel <david.vrabel@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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