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SubjectRe: [PATCH] KVM: SVM: fix trashing of MSR_TSC_AUX
Hi,

[auto build test ERROR on kvm/linux-next]
[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/Paolo-Bonzini/KVM-SVM-fix-trashing-of-MSR_TSC_AUX/20160706-214557
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: i386-randconfig-a0-201627 (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=i386

All errors (new ones prefixed by >>):

arch/x86/kvm/svm.c: In function 'svm_vcpu_run':
>> arch/x86/kvm/svm.c:4549:23: error: implicit declaration of function '__getcpu' [-Werror=implicit-function-declaration]
wrmsrl(MSR_TSC_AUX, __getcpu());
^~~~~~~~
cc1: some warnings being treated as errors

vim +/__getcpu +4549 arch/x86/kvm/svm.c

4543 #else
4544 , "ebx", "ecx", "edx", "esi", "edi"
4545 #endif
4546 );
4547
4548 if (static_cpu_has(X86_FEATURE_RDTSCP))
> 4549 wrmsrl(MSR_TSC_AUX, __getcpu());
4550 #ifdef CONFIG_X86_64
4551 wrmsrl(MSR_GS_BASE, svm->host.gs_base);
4552 #else

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