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Re: [Xen-devel] [PATCH v5 5/9] x86/hvm: add vcpu parameter to guest memory copy function



On 19/01/17 17:29, Roger Pau Monne wrote:
> @@ -3172,9 +3173,9 @@ static enum hvm_copy_result __hvm_copy(
>              {
>                  static unsigned long lastpage;
>                  if ( xchg(&lastpage, gfn) != gfn )
> -                    gdprintk(XENLOG_DEBUG, "guest attempted write to 
> read-only"
> +                    printk(XENLOG_DEBUG, "%pv guest attempted write to 
> read-only"
>                               " memory page. gfn=%#lx, mfn=%#lx\n",
> -                             gfn, page_to_mfn(page));
> +                             vcpu->domain, gfn, page_to_mfn(page));

Just vcpu here, or hitting this printk() will try to follow
d->shared_info as if it were v->domain.

With this fixed, Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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