Il 26/09/2014 00:26, Andres Lagar-Cavilla ha scritto:
> Confusion around -EBUSY and zero (inside a BUG_ON no less).
>
> Reported-by: AndreA Arcangeli <aarcange@xxxxxxxxxx>
> Signed-off-by: Andres Lagar-Cavilla <andreslc@xxxxxxxxxx>
> ---
> virt/kvm/kvm_main.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 3f16f56..a1cf53e 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -1146,7 +1146,7 @@ int kvm_get_user_page_io(struct task_struct *tsk, struct mm_struct *mm,
> npages = __get_user_pages(tsk, mm, addr, 1, flags, pagep, NULL,
> &locked);
> if (!locked) {
> - VM_BUG_ON(npages != -EBUSY);
> + VM_BUG_ON(npages);
>
> if (!pagep)
> return 0;
>
Thanks, applied.
Paolo
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