[Virtio-fs] [PATCH v4] kvm, x86: Exit to user space in case page fault error

Vitaly Kuznetsov vkuznets at redhat.com
Mon Jul 27 16:09:32 UTC 2020


Vivek Goyal <vgoyal at redhat.com> writes:

> On Mon, Jul 20, 2020 at 05:13:59PM -0400, Vivek Goyal wrote:
>> Page fault error handling behavior in kvm seems little inconsistent when
>> page fault reports error. If we are doing fault synchronously
>> then we capture error (-EFAULT) returned by __gfn_to_pfn_memslot() and
>> exit to user space and qemu reports error, "error: kvm run failed Bad address".
>
> Hi Vitaly,
>
> A gentle reminder. How does this patch look now?
>

Sorry, I even reviewd it but never replied. It looks good to me!

Reviewed-by: Vitaly Kuznetsov <vkuznets at redhat.com>

-- 
Vitaly




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