Re: [Qemu-devel] Re: [RESEND #3][PATCH] i386: Catch all non-present ptes in cpu_get_phys_page_debug

[Anthony Liguori <anthony@codemonkey.ws>]

Jan Kiszka wrote:
> It helps debugging guests when yet unmapped pages are correctly reported
> as, well, unmapped.
>   

Applied.  Thanks.

Regards,

Anthony Liguori

> Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
> ---
>  target-i386/helper.c |    6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> Index: b/target-i386/helper.c
> ===================================================================
> --- a/target-i386/helper.c
> +++ b/target-i386/helper.c
> @@ -1192,6 +1192,8 @@ target_phys_addr_t cpu_get_phys_page_deb
>              page_size = 4096;
>              pte = ldq_phys(pte_addr);
>          }
> +        if (!(pte & PG_PRESENT_MASK))
> +            return -1;
>      } else {
>          uint32_t pde;
>  
>
>
>