[arm-platforms:kvm/protected-memory 9/16] arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:2745:31: error: 'struct mm_struct' has no member named 'mmap_sem'; did you mean

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm/protected-memory
head:   d9455e6eabef4b9be5f33c418a8046e0389edade
commit: 842821613f3ec8a3357ddb6b4b45740bccc38aeb [9/16] KVM: Protected memory extension
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 842821613f3ec8a3357ddb6b4b45740bccc38aeb
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   arch/powerpc/kvm/../../../virt/kvm/kvm_main.c: In function 'protect_memory':
>> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:2745:31: error: 'struct mm_struct' has no member named 'mmap_sem'; did you mean 'mmap_base'?
    2745 |  if (down_write_killable(&mm->mmap_sem))
         |                               ^~~~~~~~
         |                               mmap_base
   arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:2799:16: error: 'struct mm_struct' has no member named 'mmap_sem'; did you mean 'mmap_base'?
    2799 |  up_write(&mm->mmap_sem);
         |                ^~~~~~~~
         |                mmap_base

# https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?id=842821613f3ec8a3357ddb6b4b45740bccc38aeb
git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
git fetch --no-tags arm-platforms kvm/protected-memory
git checkout 842821613f3ec8a3357ddb6b4b45740bccc38aeb
vim +2745 arch/powerpc/kvm/../../../virt/kvm/kvm_main.c

  2738	
  2739	static int protect_memory(unsigned long start, unsigned long end, bool protect)
  2740	{
  2741		struct mm_struct *mm = current->mm;
  2742		struct vm_area_struct *vma, *prev;
  2743		int ret;
  2744	
> 2745		if (down_write_killable(&mm->mmap_sem))
  2746			return -EINTR;
  2747	
  2748		ret = -ENOMEM;
  2749		vma = find_vma(current->mm, start);
  2750		if (!vma)
  2751			goto out;
  2752	
  2753		ret = -EINVAL;
  2754		if (vma->vm_start > start)
  2755			goto out;
  2756	
  2757		if (start > vma->vm_start)
  2758			prev = vma;
  2759		else
  2760			prev = vma->vm_prev;
  2761	
  2762		ret = 0;
  2763		while (true) {
  2764			unsigned long newflags, tmp;
  2765	
  2766			tmp = vma->vm_end;
  2767			if (tmp > end)
  2768				tmp = end;
  2769	
  2770			newflags = vma->vm_flags;
  2771			if (protect)
  2772				newflags |= VM_KVM_PROTECTED;
  2773			else
  2774				newflags &= ~VM_KVM_PROTECTED;
  2775	
  2776			/* The VMA has been handled as part of other memslot */
  2777			if (newflags == vma->vm_flags)
  2778				goto next;
  2779	
  2780			ret = mprotect_fixup(vma, &prev, start, tmp, newflags);
  2781			if (ret)
  2782				goto out;
  2783	
  2784	next:
  2785			start = tmp;
  2786			if (start < prev->vm_end)
  2787				start = prev->vm_end;
  2788	
  2789			if (start >= end)
  2790				goto out;
  2791	
  2792			vma = prev->vm_next;
  2793			if (!vma || vma->vm_start != start) {
  2794				ret = -ENOMEM;
  2795				goto out;
  2796			}
  2797		}
  2798	out:
  2799		up_write(&mm->mmap_sem);
  2800		return ret;
  2801	}
  2802	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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