Hi Paolo,

I love your patch! Yet something to improve:

[auto build test ERROR on kvm/queue]
[also build test ERROR on mst-vhost/linux-next linus/master v6.1-rc2]
[cannot apply to tip/x86/core next-20221028]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Paolo-Bonzini/KVM-SVM-move-MSR_IA32_SPEC_CTRL-save-restore-to-assembly/20221029-071449
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link:    https://lore.kernel.org/r/20221028230723.3254250-7-pbonzini%40redhat.com
patch subject: [PATCH 6/7] KVM: SVM: move MSR_IA32_SPEC_CTRL save/restore to assembly
config: x86_64-allyesconfig
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/63e749bdae3bd901e8710a6b15ed42d0c08853b6
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Paolo-Bonzini/KVM-SVM-move-MSR_IA32_SPEC_CTRL-save-restore-to-assembly/20221029-071449
        git checkout 63e749bdae3bd901e8710a6b15ed42d0c08853b6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: kasan_report+0x12: call to stackleak_track_stack() with UACCESS enabled
>> vmlinux.o: warning: objtool: svm_vcpu_enter_exit+0x1e: call to msr_write_intercepted.constprop.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: check_stackleak_irqoff+0x309: call to _printk() leaves .noinstr.text section
--
   ld: kernel image bigger than KERNEL_IMAGE_SIZE
   ld: vmlinux.o: in function `__svm_vcpu_run':
>> (.noinstr.text+0x1f0b): undefined reference to `SVM_spec_ctrl'
   ld: (.noinstr.text+0x1f26): undefined reference to `SVM_vcpu_arch_regs'
   ld: (.noinstr.text+0x1f2d): undefined reference to `SVM_vcpu_arch_regs'
   ld: (.noinstr.text+0x1f34): undefined reference to `SVM_vcpu_arch_regs'
   ld: (.noinstr.text+0x1f3b): undefined reference to `SVM_vcpu_arch_regs'
   ld: (.noinstr.text+0x1f42): undefined reference to `SVM_vcpu_arch_regs'
   ld: vmlinux.o:(.noinstr.text+0x1f49): more undefined references to `SVM_vcpu_arch_regs' follow
   ld: vmlinux.o: in function `__svm_vcpu_run':
   (.noinstr.text+0x2023): undefined reference to `SVM_spec_ctrl'
>> ld: (.noinstr.text+0x2031): undefined reference to `SVM_spec_ctrl'
   ld: vmlinux.o: in function `__svm_sev_es_vcpu_run':
   (.noinstr.text+0x20ab): undefined reference to `SVM_spec_ctrl'
   ld: (.noinstr.text+0x20fc): undefined reference to `SVM_spec_ctrl'
   ld: (.noinstr.text+0x210a): undefined reference to `SVM_spec_ctrl'

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