Re: [Qemu-devel] [questions] host panic happened when kvm guest accessthe memory which was provided by host remap_pfn_range page to qemu

[Zhang Haoyu]

> Hi, all
> 
> I provide host's memory to guest by remap_pfn_range host page to qemu, and 
> when guest access the page, host paniced.
>

I missed to set vma->vm_pgoff,
vma->vm_pgoff = virt_to_phys(test_mem) >> PAGE_SHIFT;

> Any ideas?
> 
> Thanks,
> Zhang Haoyu